39th week of 2021 patent applcation highlights part 36 |
Patent application number | Title | Published |
20210301722 | COMPACT TURBOMACHINE COMBUSTOR - Combustors, gas turbines, and associated methods of operation are provided. A method for operating a combustor includes firing a bundled tube fuel nozzle assembly within a combustion liner of the combustor to generate combustion gases at a first temperature within a first combustion zone length. The method further includes firing a fuel injector downstream from the bundled tube fuel nozzle assembly within the combustion liner of the combustor to generate combustion gases at a second temperature within a second combustion zone length. The first combustion zone length is less than the second combustion zone length. The combustion gases travel through the first combustion zone length in a first time period and through the second combustion zone length in a second time period. The second time period is less than the first time period. | 2021-09-30 |
20210301723 | Gas Turbine Combustor and Fuel Nozzle Manufacturing Method - There is provided a gas turbine combustor which includes a fuel nozzle which is high in damping performance against vibration stress caused by unstable combustion, in the gas turbine combustor which includes the fuel nozzle which is molded by 3D additive manufacturing. In the gas turbine combustor which includes the fuel nozzle which is molded by the 3D additive manufacturing, the fuel nozzle has a first region on which metal powders are sintered and a second region which is surrounded by the first region and on which the metal powders are not sintered. | 2021-09-30 |
20210301724 | FLOW DIVIDER VALVES WITH TRANSIENT PRESSURE LIMITING - A system includes a flow inlet conduit and a primary conduit that branches from the flow inlet conduit for delivering flow to a set of primary nozzles. An equalization bypass valve (EBV) connects between the flow inlet conduit and a secondary conduit for delivering flow to a set of secondary nozzles. The EBV is connected to an equalization conduit (EC). A pressure equalization solenoid is connected to the EC to selectively connect a servo supply pressure conduit and/or a return pressure (PDF) conduit into fluid communication with the EC. An EBV rate limiting orifice (RLO) is connected in the PDF conduit. A bypass conduit branches from the PDF conduit on a first side of the EBV RLO and reconnects to the PDF conduit on a second side of the EBV RLO. An orifice bypass valve (OBV) is connected to the bypass conduit and acts to selectively bypass the EBV RLO. | 2021-09-30 |
20210301725 | FLOW DIVIDER VALVE WITH RELIEF MANAGEMENT VALVE - A system includes a flow inlet conduit and a primary conduit that branches from the flow inlet conduit for delivering flow to a set of primary nozzles. An equalization bypass valve (EBV) connects between the flow inlet conduit and a secondary conduit for delivering flow to a set of secondary nozzles. The EBV is connected to an equalization conduit (EC) to apportion flow from the flow inlet conduit to the secondary conduit. A pressure equalization solenoid (PES) is connected to the EC to selectively connect at least one of a servo supply pressure (PFA) conduit or return pressure (PDF) conduit into fluid communication with the EC. A relief management valve (RMV) is connected in the PDF conduit. | 2021-09-30 |
20210301726 | EXHAUST BAFFLE COMPONENT FOR AN AIR TURBINE STARTER ASSEMBLY - An exhaust baffle component for an aircraft starter includes a plurality of frames arranged with one another as a single component. At least one of the plurality of frames may include an attachment flange extending therefrom and defining a receiving aperture. Each frame of the plurality of frames may include one or more louvers stacked relative to one another and spaced from one another to define an air opening therebetween. The attachment flange may extend from the frame at a substantially central region of an upper portion of the frame to substantially align the receiving aperture with a starter aperture of a starter component to facilitate securement of the attachment flange to the starter component. | 2021-09-30 |
20210301727 | AIR TURBINE STARTER CONTAINMENT SYSTEM - An air turbine starter for starting an engine, comprising a housing having an interior surface defining an interior, at least one turbine member rotatably mounted within the interior about a rotational axis, and having a plurality of circumferentially spaced blades, and a containment structure circumferentially surrounding the at least one turbine member having a thickness that extends between the radially outer surface and the radially inner surface | 2021-09-30 |
20210301728 | AIR TURBINE STARTER CONTAINMENT SYSTEM - An air turbine starter for starting an engine, comprising a housing having an interior surface defining an interior, at least one turbine member rotatably mounted within the interior about a rotational axis, and having a plurality of circumferentially spaced blades, and a containment structure radially overlying and circumferentially surrounding the at least one turbine member extending between an outer surface and an inner surface to define a radial direction. | 2021-09-30 |
20210301729 | SUPERCRITICAL CO2 CYCLE AND INTEGRATED AUXILIARY POWER FOR GAS TURBINE ENGINES - Waste heat management systems are described. The waste heat management systems include a turbine engine having a compressor section, a combustor section, a turbine section, and a nozzle. The compressor section, the combustor section, the turbine section, and the nozzle define a core flow path that expels through the nozzle. The waste heat management systems also include an auxiliary power unit (APU) system and a waste heat recovery system operably connected to the APU system. The APU system is integrated into a working fluid flow path of the waste heat recovery system. | 2021-09-30 |
20210301730 | TURBINE SECTION OF HIGH BYPASS TURBOFAN - A turbofan engine according to an example of the present disclosure includes, among other things, a fan including a circumferential array of fan blades, a compressor in fluid communication with the fan, the compressor including a low pressure compressor section and a high pressure compressor section, the low pressure compressor section including a low pressure compressor section inlet with a low pressure compressor section inlet annulus area, a fan duct including a fan duct annulus area outboard of the a low pressure compressor section inlet, a turbine in fluid communication with the combustor, the turbine having a high pressure turbine section and a low pressure turbine that drives the fan, a speed reduction mechanism coupled to the fan and rotatable by the low pressure turbine section to allow the low pressure turbine section to turn faster than the fan, wherein the low pressure turbine section includes a maximum gas path radius and the fan blades include a maximum radius, and a ratio of the maximum gas path radius to the maximum radius of the fan blades is between 0.50 and 0.55, or is greater than 0.55 and less than or equal to 0.65. | 2021-09-30 |
20210301731 | TURBINE SECTION OF HIGH BYPASS TURBOFAN - A turbofan engine according to an example of the present disclosure includes, among other things, a fan including an array of fan blades rotatable about an engine axis, a compressor including a high pressure compressor section and a low pressure compressor section, the low pressure compressor section including a low pressure compressor section inlet with a low pressure compressor inlet annulus area, a fan duct including a fan duct annulus area outboard of the low pressure compressor section inlet, and a turbine having a high pressure turbine section and a low pressure turbine section driving the fan through a speed reduction mechanism, wherein the low pressure turbine section defines a maximum gas path radius and the fan blades define a maximum radius, and a ratio of the maximum gas path radius to the maximum radius of the fan blades is less than 0.6. | 2021-09-30 |
20210301732 | START-UP SYSTEM AND METHOD FOR ROTOR BOW MITIGATION - There is provided a rotor bow mitigation system and method for an aircraft engine. At least one value of at least one engine parameter prior to a shutdown of the engine is obtained, the at least one engine parameter comprising a first temperature internal to the engine. A second temperature external to the engine is measured and a motoring duration and a motoring interval for the engine are determined based on at least the first temperature and on the second temperature. Upon detecting a start indication for the engine, the engine is motored for the motoring duration and at the motoring interval. | 2021-09-30 |
20210301733 | TESTABLE PNEUMATIC CONTROL ASSEMBLIES AND RELATED SYSTEMS AND METHODS - Testable, redundant pneumatic control assemblies and related systems and methods are described herein. An example pneumatic control assembly described herein includes first, second, and third parallel supply channels between a compressed air supply and valve header, first, second, and third parallel vent channels between a vent and the valve header, and first, second, third, fourth, fifth, and sixth logic valves. The first and sixth logic valves are disposed in the first parallel supply channel and the first parallel vent channel, the second and third logic valves are disposed in the second parallel supply channel and second parallel vent channel, and the fourth and fifth logic valves are disposed in the third parallel supply channel and third parallel vent channel. The pneumatic control assembly also includes a first, second, and third solenoid valves to control certain ones of the logic valves. | 2021-09-30 |
20210301734 | METHOD FOR HANDLING A SIMULTANEOUS FAILURE OF ALL CHANNELS OF A MULTI-CHANNEL ENGINE CONTROLLER FOR A GAS TURBINE ENGINE - A method for handling a simultaneous failure of all channels of a multi-channel engine controller configured to control operation of a gas turbine engine is provided. The method includes obtaining, by a first processor associated with a first channel of the engine controller, data indicative of the simultaneous failure of all channels of the engine controller. The method further includes providing, by the first processor, one or more control signals associated with resetting at least a second processor associated with a second channel of the multi-channel engine controller based, at least in part, on the data. Furthermore, the method includes controlling, by the first processor, operation of the gas turbine engine while at least the second processor is resetting. | 2021-09-30 |
20210301735 | REGULATED FLOW DIVIDER VALVES WITH SECONDARY EQUALIZATION VALVES - A system includes a flow inlet conduit. A primary conduit branches from the flow inlet conduit for delivering flow to a set of primary nozzles. An equalization bypass valve (EBV) connects between the flow inlet conduit and a secondary conduit for delivering flow to a set of secondary nozzles. The EBV is connected to be controlled to apportion flow from the flow inlet conduit to the secondary conduit. A secondary equalization valve (SEV) connects between the flow inlet conduit and the secondary conduit. The SEV is connected to be controlled by drain pressure (PD) to apportion flow from the flow inlet conduit to the secondary conduit. | 2021-09-30 |
20210301736 | METHOD OF OPERATING A COMBUSTOR HEAD END ASSEMBLY - A method for selectively operating a combustor head end assembly is provided. The combustor head end assembly includes a plurality of bundled tube fuel nozzles. The method includes opening a first fuel circuit of a plurality of fuel circuits. The first fuel circuit of the plurality of fuel circuits is fluidly coupled to a first nozzle group, and the first nozzle group includes one bundled tube fuel nozzle of the plurality of bundled tube fuel nozzles. The method further includes adjusting an airflow received by the plurality of bundled tube fuel nozzles in response to opening the first fuel circuit of the plurality of fuel circuits. The airflow is adjusted based on an emissions output requirement corresponding with the first nozzle group. The method also includes firing the first nozzle group. | 2021-09-30 |
20210301737 | GAS TURBINE ENGINE OPERATING SCHEDULES FOR OPTIMIZING CERAMIC MATRIX COMPOSITE COMPONENT LIFE - A gas turbine engine system includes an engine component comprising ceramic matrix composite materials, at least one control system configured to control at least a temperature of the engine component, and a controller. The controller includes a degradation map stored therein. The degradation map includes degradation fields, each field defined by a unique range of temperatures and stresses of the component and correlated to different types of degradation of the component. The controller is configured to determine a first temperature and stress of the component and a first field based on the first temperature and stress, determine a second field different from the first and a second temperature and stress that would locate the component in the second field, and instruct the control system to change the temperature of the component from the first to the second temperature to locate the component in the second field. | 2021-09-30 |
20210301738 | Throttle Device - A throttle device includes a throttle body, a throttle valve, a throttle shaft, a throttle gear, and a coil spring. A cylindrical spring guide disposed in the coil spring is provided on the throttle body. A full-close stopper and a full-open stopper arranged at a prescribed interval in a circumferential direction are provided on the spring guide. A fully closed opening regulation lever includes a full-close abutment configured to abut against the full-close stopper and full-open abutment configured to abut against the full-open stopper. | 2021-09-30 |
20210301739 | System and Process for Controlled Chemical Ignition of Internal Combustion Engines - A system includes a combustion apparatus for controlling combustion of a fuel and air in a combustion chamber to produce mechanical motion, a source of a chemical species for supplying a chemical species to be mixed with the fuel and air, a control valve for controlling an amount of the chemical species that is introduced from the source into the fuel and the air, and a controller in communication with the control valve to cause the control valve to introduce the chemical species at a flow rate that will cause auto-ignition of combustion between the fuel and the air in the combustion chamber without use of a spark-producing device. The controller may perform operations embodied as program instructions for controlling the system. | 2021-09-30 |
20210301740 | SYSTEM, APPARATUS AND METHOD FOR CLEAN, MULTI-ENERGY GENERATION - Systems, apparatuses and methods in interoperating with multiple clean energy sources, such as pneumatic energy, electrical energy, hydrogen energy and steam energy, with engine configurations employing theses clean energy sources dynamically and synchronously. Further embodiments including fossil fuel energies. | 2021-09-30 |
20210301741 | TEMPERATURE ACQUISITION APPARATUS FOR INTERNAL COMBUSTION ENGINE - A temperature acquisition apparatus for an internal combustion engine is configured to acquire a temperature of a combustion chamber of the internal combustion engine. The apparatus includes: an electronic control unit having a processor and a memory coupled to the processor. The processor is configured to perform: acquiring an intake air amount of the internal combustion engine; calculating a cumulative intake air amount based on the intake air amount; and acquiring a temperature of the internal combustion engine based on the cumulative intake air amount. | 2021-09-30 |
20210301742 | IMPLEMENTING VARIABLE VALVE ACTUATION ON A DIESEL ENGINE AT HIGH-SPEED IDLE OPERATION FOR IMPROVED AFTERTREATMENT WARM-UP - Increasing engine idle speed, combined with modulating the timing of the exhaust valve during idling, increases heat transfer from the engine to aftertreatment systems to reduce the time required for the aftertreatment system to reach a minimum temperature for efficient operation. The resultant increases in heat transfer include an increase of at least 30% in the flow rate of exhaust gases and an increase of exhaust temperature by at least 25° C. | 2021-09-30 |
20210301743 | SYSTEMS AND METHODS FOR ULTRA-LOW NOx COLD START WARMUP CONTROL AND FAULT DIAGNOSIS - Systems and apparatuses include an aftertreatment system including a catalyst, and a controller coupled to the aftertreatment system. During a warmup period for an engine coupled to the catalyst, the controller is configured to determine a value of a catalyst heating metric indicative of an amount of emissions produced per unit of exhaust energy based on information received from the engine and the aftertreatment system, and control at least one of a turbocharger, a fuel injection system, or an Exhaust Gas Recirculation (EGR) system to reach a target value of the catalyst heating metric. | 2021-09-30 |
20210301744 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine control apparatus is configured to control an internal combustion engine including a piston reciprocating in a cylinder and a fuel injector arranged to inject a fuel into a combustion chamber facing the piston in the cylinder. The internal combustion engine control apparatus includes an electronic control unit having a microprocessor and a memory. The microprocessor is configured to perform controlling the fuel injector so as to inject the fuel in an injectable area from a first crank angle at which an intake stroke is started to a second crank angle at which a compression stroke is ended, and setting an injection frequency of the fuel injected by the fuel injector in the injectable area. The microprocessor is configured to perform the setting including setting the injection frequency between once and four times. | 2021-09-30 |
20210301745 | FUEL INJECTION CONTROL APPARATUS - A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating a target injection time, determining a first crank angle defining a start of fuel injection and a second crank angle defining an end of fuel injection, controlling a fuel injector in a first injection mode in which the fuel is injected for the first target injection time from a first time point corresponding to the first crank angle or a second injection mode in which the fuel is injected for the second target injection time from a second time point corresponding to a target crank angle, and the controlling including controlling the fuel injector so as to inject the fuel in an intake stroke in the first injection mode, while inject the fuel in a compression stroke in the second injection mode. | 2021-09-30 |
20210301746 | FUEL INJECTION CONTROL APPARATUS - A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating a target injection time, determining a first crank angle defining a start of fuel injection and a second crank angle defining an end of fuel injection, controlling a fuel injector in a first injection mode in which the fuel is injected for the first target injection time from a first time point corresponding to the first crank angle or a second injection mode in which the fuel is injected for the second target injection time from a second time point corresponding to a target crank angle, and the controlling including controlling the fuel injector so as to inject the fuel in the first injection mode first and in the second injection mode last when the fuel is injected multiple times between an intake stroke and a compression stroke. | 2021-09-30 |
20210301747 | FUEL INJECTION CONTROL APPARATUS - A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating a target injection time, determining a first crank angle defining a start of fuel injection and a second crank angle defining an end of fuel injection, controlling a fuel injector in an injection start priority mode in which the fuel is injected for the first target injection time from a first time point corresponding to the first crank angle or an injection end priority mode in which the fuel is injected for the second target injection time from a second time point corresponding to a target crank angle, and the controlling including controlling the fuel injector so as to inject the fuel in the injection start priority mode or the injection end priority mode in accordance with an injection mode. | 2021-09-30 |
20210301748 | ELECTROMAGNETIC VALVE DRIVE DEVICE - An electromagnetic valve drive device, that drives a fuel injection valve having a solenoid coil, includes a drive unit configured to drive the solenoid coil, an energization control unit configured to control energization for the solenoid coil by controlling the drive unit, a processing unit configured to obtain a current value arrival time, which is a time having elapsed from a start of energization for the solenoid coil until a current flowing through the solenoid coil reaches a predetermined current value, and an estimation unit configured to estimate a valve opening start time, which is a time from the start of the energization to a start of opening of the fuel injection valve on the basis of the current value arrival time. | 2021-09-30 |
20210301749 | METHODS AND SYSTEMS FOR ASSESSING ENGINE HEALTH - The present disclosure provides methods and systems for assessing a health state of an engine. During a fuel control failure event experienced by the engine, pressure data indicative of a pressure within a fuel combustor of the engine and acceleration data indicative of an acceleration of a shaft of the engine are obtained. The pressure data and acceleration data are compared to a predetermined limit associated with plastic deformation of the shaft of the engine. A maintenance issue for the engine is detected when the pressure data and the acceleration data are beyond the predetermined limit. An alert associated with a negative health state for the engine is issued responsive to detecting the maintenance issue. | 2021-09-30 |
20210301750 | AIR-FUEL RATIO CONTROL SYSTEM FOR HYBRID ENGINE AND METHOD THEREOF - An air-fuel ratio control system for a hybrid vehicle engine is provided, including a torque coordination calculation module, which converts a target effective torque of a hybrid power control unit into a target indicated torque; a torque estimation module, which obtains an estimated indicated torque according to an operating state of an engine; an air-fuel ratio feedback control module, which generates a feedback correction factor based on deviation between the estimated indicated torque and the target indicated torque; and an air-fuel ratio feedforward control module, which converts the target indicated torque into an air-fuel ratio feedforward control signal according to a calibration parameter and engine speed. A target air-fuel ratio is obtained by correcting the air-fuel ratio feedforward control signal, via the feedback correction factor; and the target air-fuel ratio is configured to act on the engine to achieve air-fuel ratio control. | 2021-09-30 |
20210301751 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine control apparatus including a microprocessor. The microprocessor is configured to perform determining whether a warm-up of an exhaust catalyst device disposed on an exhaust passage of an internal combustion engine is complete; acquiring an information on a temperature inside a cylinder of the internal combustion engine; switching an injection mode to a first injection mode or a second injection mode in accordance with an information on a temperature inside the cylinder when it is determined that a warm-up of the exhaust catalyst device is complete; and controlling a fuel injector so as to inject the fuel in accordance with an injection mode. | 2021-09-30 |
20210301752 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine control apparatus including a microprocessor. The microprocessor is configured to perform determining whether a start of the internal combustion engine is complete, determining whether a warm-up of an exhaust catalyst device is needed, acquiring an information on a temperature inside a cylinder, switching an injection mode, and controlling the fuel injector to inject the fuel in accordance with the injection mode, the switching including switching the injection mode to the first injection mode when the start of the internal combustion engine is complete and the warm-up of the exhaust catalyst device is needed, and switching the injection mode to the second injection mode or the third injection mode in accordance with the information on the temperature when the start of the internal combustion engine is complete and the warm-up of the exhaust catalyst device is not needed. | 2021-09-30 |
20210301753 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine control apparatus including an electronic control unit having a microprocessor and a memory. The microprocessor is configured to perform switching an injection mode between a first injection mode in which the fuel is injected in a range including an intake stroke and a compression stroke of an internal combustion engine and a second injection mode in which the fuel is injected in the range so that an injection frequency in the compression stroke in the second injection mode is greater than an injection frequency in the compression stroke in the first injection mode; and determining whether the injection mode needs to be switched based on an ignition timing of the ignitor. | 2021-09-30 |
20210301754 | ENGINE CONTROL SYSTEM FOR ENABLING MULTI-MODE DRIVABILITY IN OFF-ROAD VEHICLES - The present disclosure envisages an engine control system ( | 2021-09-30 |
20210301755 | CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE - An internal combustion engine control apparatus including a microprocessor. The microprocessor is configured to perform controlling a fuel injector so as to inject a fuel of a target injection amount by dividing into a plurality of times at a predetermined time interval in an area from a first crank angle at which an intake stroke is started to a second crank angle at which a compression stroke is ended, and setting the predetermined time interval. The microprocessor is configured to perform the setting including setting the predetermined time interval so that a spray length from a tip of the fuel injector to a tip of a spray of the fuel injected from the fuel injector becomes shorter than the spray length when the fuel of the target injection amount is injected at once in the area by a predetermined rate. | 2021-09-30 |
20210301756 | FUEL INJECTION CONTROL APPARATUS - A fuel injection control apparatus including a microprocessor. The microprocessor is configured to perform calculating injection target values per a combustion cycle, controlling a fuel injector so as to inject fuel in accordance with the injection target values, instructing a switching between a first mode injecting the fuel and a second mode stopping the fuel injection, determining whether it is possible to inject the fuel in accordance with the injection target values when the switching from the second mode to the first mode is instructed, and modifying the injection target values by reducing a target injection frequency when it is determined to be impossible to inject the fuel in accordance with the injection target values, and the controlling including controlling the fuel injector, when the injection target values are modified, so as to inject the fuel in accordance with modified injection target values. | 2021-09-30 |
20210301757 | WATER JACKET - A water jacket includes: a cooling channel through which a coolant flows, the cooling channel being formed in a cylinder block in which a plurality of cylinders are formed such that the cooling channel is positioned outside the cylinders; and a cooling groove (slit) through which the coolant flows, the cooling groove being formed between adjacent ones of the cylinders. When a slit end portion is viewed in sectional view in a direction in which the cylinders are arranged, the slit end portion and a cylinder-block inner wall are continuous with each other via an inclined portion inclined so as to become thicker toward the cylinder-block inner wall. | 2021-09-30 |
20210301758 | CYLINDER HEAD AND ENGINE - A cylinder head includes: an exhaust port configured to lead out exhaust gas from combustion chamber; an intake port configured to introduce fresh air into the combustion chamber; an intake air aggregate part configured to aggregate the intake port; and a second EGR pipe in which EGR gas flows, wherein exhaust outlets of the exhaust port and an EGR gas inlet of the second EGR pipe are arranged side-by-side on a flat left side surface, and a fresh air inlet of the intake air aggregate part and an EGR gas outlet of the second EGR pipe are arranged side-by-side on a flat right side surface. | 2021-09-30 |
20210301759 | CYLINDER HEAD GASKET - A cylinder head gasket is disclosed having a carrier layer, in which at least one through-opening for a combustion chamber is located, and a combustion chamber sealing element, which is inserted in the through-opening and extends in an intrinsically closed manner. In some examples, at least one gap is formed at least in some sections between the carrier layer and the combustion chamber sealing element, the gap extending around the combustion chamber sealing element at least in some sections. Further, in some example, the carrier layer has at least one slot-like or groove-like channel, which extends from the at least one gap between the carrier layer and the combustion chamber sealing element to the outer edge of the carrier layer. | 2021-09-30 |
20210301760 | RECONFIGURABLE EXHAUST NOZZLE FOR A GAS TURBINE ENGINE - A propulsion unit includes a gas turbine engine arranged along an axis and an exhaust system coupled to the gas turbine engine. The gas turbine engine includes an engine core configured to discharge a core flow and a fan configured to be driven by the engine core to discharge a bypass flow. The exhaust system receives the mixed bypass and core flows from the gas turbine engine. | 2021-09-30 |
20210301761 | VARIABLE AREA NOZZLE EXHAUST SYSTEM WITH INTEGRATED THRUST REVERSER - A propulsion unit includes a gas turbine engine arranged along an axis and an exhaust system coupled to the gas turbine engine. The gas turbine engine includes an engine core configured to discharge a core flow and a fan configured to be driven by the engine core to discharge a bypass flow. The exhaust system receives the mixed bypass and core flows from the gas turbine engine. | 2021-09-30 |
20210301762 | BYPASS TURBOFAN ENGINE COMPRISING MOBILE DEFLECTORS - A bypass turbofan engine comprising a nacelle surrounding a flow path for a secondary flow and comprising a fixed structure, a mobile assembly with a slide capable of translational movement on the fixed structure and bearing a mobile cowl and a frame capable of translational movement on the fixed structure and bearing deflectors. The mobile assembly is able to move between a forward position and a retreated position making it possible to open a passage between the flow path and the outside through the deflectors. A differentiation mechanism ensures a length of travel of the slide that is different from the length of travel of the frame, and actuators providing a translational travel of the slide. Fitting a differentiation mechanism means that the length of travel of the deflectors with respect to the length of travel of the mobile cowl can be regulated. | 2021-09-30 |
20210301763 | GAS TURBINE ENGINE - A gas turbine engine including an engine core with high and low pressure compressors and high and low pressure turbines, the high pressure compressor and high pressure turbine being coupled by a high pressure shaft, and the low pressure compressor and low pressure turbine being coupled by a low pressure shaft, the engine further including a fan coupled to the low pressure shaft by a reduction gearbox. The high pressure compressor consists of 8 or 9 stages and has an average stage loading at cruise conditions of between 1.39 and 1.42, and the low and high pressure compressor together define an overall core pressure ratio at cruise conditions of between 40 and 60. | 2021-09-30 |
20210301764 | GAS TURBINE ENGINE - A gas turbine engine includes an engine core having high and low pressure compressors and high and low pressure turbines. The engine further includes a fan coupled to a low pressure shaft and the low pressure turbine by a reduction gearbox. The low pressure compressor includes no more than two compressor stages, and the low and high pressure compressor together define a cruise overall core pressure ratio of between 30 and 50. | 2021-09-30 |
20210301765 | Geared Architecture for High Speed and Small Volume Fan Drive Turbine - A turbofan engine includes a fan section that drives air along a bypass flow path in a bypass duct. An epicyclic gear system in driving engagement with the fan shaft and has a gear mesh lateral stiffness and a gear mesh transverse stiffness. A gear system input to the gear system defines a gear system input lateral stiffness and a gear system input transverse stiffness. The gear system input lateral stiffness is less than 5% of the gear mesh lateral stiffness. A first performance quantity is defined as the product of a first speed squared and a first area and a second performance quantity is defined as the product of a second speed squared and a second area. A performance quantity ratio of a first performance quantity to a second performance quantity is between 0.5 and 1.5. | 2021-09-30 |
20210301766 | REGULATED FLOW DIVIDER VALVES - A system includes a flow inlet conduit. A primary conduit branches from the flow inlet conduit for delivering flow to a set of primary nozzles. An equalization bypass valve (EBV) connects between the flow inlet conduit and a secondary conduit for delivering flow to a set of secondary nozzles. The EBV is connected to be controlled to apportion flow from the flow inlet conduit to the secondary conduit. A regulator valve is connected to be controlled by a pressure differential between pressure in the flow inlet conduit (PIN) and pressure in the secondary conduit (PSEC) to apportion flow from an inlet of the regulator valve to the flow inlet conduit. | 2021-09-30 |
20210301767 | EXHAUST GAS HEATING DEVICE, ASSOCIATED EXHAUST LINE AND VEHICLE - An exhaust gas heating device includes a housing and a heating element arranged in the housing for heating exhaust gases flowing through the housing. The heating element comprises a first and a second connecting region. A power source for supplying electricity to the heating element, comprises a first connecting element, connected to the first connecting region of the heating element, and intended to supply the heating element ( | 2021-09-30 |
20210301768 | COOLING DEVICE FOR VEHICLE - A cooling device for a vehicle is provided, which includes an engine having an exhaust gas recirculation (EGR) system, a supercharger, and an intercooler configured to cool intake gas containing EGR gas. The device includes a coolant channel through which coolant for cooling a motor drive flows, the coolant channel having a first channel through which a first coolant for cooling a high-voltage component of the motor drive flows and a second channel through which a second coolant for cooling the intercooler flows, the second channel being branched from the first channel. The device includes a valve provided to the second channel of the coolant channel and configured to adjust a flow rate of the second coolant. | 2021-09-30 |
20210301769 | ENGINE SYSTEM AND ENGINE CONTROL METHOD - An engine system includes: an engine main body; an intake pipe; a mass flow sensor that is provided in the intake pipe and outputs a measurement value of an amount of air passing through the intake pipe; an exhaust pipe; a removal device that is provided in the exhaust pipe and removes an air pollutant included in an exhaust gas passing through the exhaust pipe; a recirculation pipe; a recirculation valve that controls a flow rate of the exhaust gas flowing from the recirculation pipe to the intake pipe; a regeneration control unit that closes the recirculation valve; an air amount calculation unit that calculates a theoretical value of an amount of air flowing to the intake side of the engine main body on the basis of a quantity of state of the engine main body during the regeneration process; and a correction unit. | 2021-09-30 |
20210301770 | FLUID HEATING DEVICE, MOTOR SYSTEM, MOVABLE OBJECT, AND HYDRAULIC SYSTEM - A fluid heating device includes a pressurizing chamber configured to store a working fluid and a heat accumulator disposed in the pressurizing chamber. The heat accumulator includes a heat accumulating member configured to release heat by receiving a pressure applied to the working fluid. The fluid heating device has improved actuation efficiency. | 2021-09-30 |
20210301771 | SPACER FOR USE IN AN AIR INTAKE SYSTEM OF AN INTERNAL COMBUSTION CHAMBER - The present invention refers to a spacer for use in an air intake system of an internal combustion engine for delimiting an intake duct between an intake manifold and a cylinder head of the engine, wherein the spacer is provided with at least one flow-through passage and at least one air-accumulation cavity which are fluid-communicatively connected and constitute the intake duct. | 2021-09-30 |
20210301772 | STRADDLE-TYPE VEHICLE - There is provided a straddle-type vehicle, including: a pair of seat frames; a seat; an air cleaner; a battery; and a bracket. A rear portion of the air cleaner and the battery are positioned below the seat. The battery is disposed above the rear portion of the air cleaner. The bracket extends in a left-right direction of the straddle-type vehicle and passes between the rear portion of the air cleaner and the battery. A left end side and a right end side of the bracket are connected to the pair of seat frames respectively. The rear portion of the air cleaner is suspended by the bracket. The battery is installed on the bracket. | 2021-09-30 |
20210301773 | Engine - An engine operable in a premixed combustion system and a diffusion combustion system. The engine includes a main fuel injection valve, a pilot fuel injection valve, a liquid fuel tank, a main fuel supply path, a pilot fuel supply path, a pilot fuel filter, a pilot fuel high-pressure pump, a pilot fuel tank, and a pilot fuel supply pump. The pilot fuel tank stores pilot fuel sent from the pilot fuel high-pressure pump and not injected by the pilot fuel injection valve. This pilot fuel is sent to an automatic backwash filter and a pilot fuel filter while not passing through the liquid fuel tank. | 2021-09-30 |
20210301774 | DIRECT INJECTION FUEL INJECTION VALVE - A direct injection fuel injection valve includes a valve casing housing therein a valve member and fitted into an engine main body of an internal combustion engine. The casing includes: a tubular case member; and a valve seat member joined to one end part thereof and having a valve seat and a fuel injection hole. The valve member can be in contact with and detached from the valve seat. The injection hole is opened and closed by cooperation between the valve seat and the valve member. At least part of the valve seat member is exposed to a combustion chamber of the engine main body. Fuel can be injected into the combustion chamber via the injection hole. The valve seat member is formed from a martensitic stainless steel having a PI value of at least 19, containing at least N, and having a C content of no greater than 0.3%. | 2021-09-30 |
20210301775 | DEVICE FOR SUPPLYING A GASEOUS FUEL TO AN ENGINE - The invention relates to a device for supplying a gaseous fuel to an engine that comprises a gas accumulator for receiving highly pressurized gaseous fuel, a gas buffer for receiving medium pressurized gaseous fuel, a gas supply device for delivering a gaseous fuel into an engine combustion space, a first gas line that connects the gas accumulator to the gas buffer and whose gas flow can be regulated via a first valve, a second gas line that connects the gas accumulator to the gas buffer and whose gas flow can be regulated via a second valve, and a third gas line that connects the gas buffer to the gas supply device. The device is further characterized in that a compressor is arranged in the second gas line to increase a pressure of a gaseous fuel flowing from the gas accumulator to the gas buffer. | 2021-09-30 |
20210301776 | DETECTION APPARATUS AND CONTROL APPARATUS - A detection apparatus for detecting a cam angle of a 4-stroke multi-cylinder engine in which explosion intervals are unequal intervals, includes a detection target member configured to rotate in synchronism with a camshaft, and first and second cam angle sensors configured to detect rotation of the detection target member. The detection target member includes a plurality of first detection target portions arranged, at equal pitches, as many as the number of cylinders of the multi-cylinder engine. The second cam angle sensor is arranged while being shifted in the rotation direction with respect to the first cam angle sensor such that any one of detection signals of the plurality of first detection target portions by the first cam angle sensor and the second cam angle sensor is output at a timing corresponding to each explosion interval. | 2021-09-30 |
20210301777 | Installation-Connected Dual-Point Absorber - A dual-point absorber includes a first buoy, a second buoy, and a power take-off. The first buoy of the dual-point absorber is connected to a linkage. The second buoy of the dual-point absorber is capable of a movement relative to the first buoy. The power take-off is coupled to the first buoy and the second buoy. The linkage can be used to reduce a heave movement of the first buoy that is caused by waves. | 2021-09-30 |
20210301778 | METHOD AND DEVICE FOR CONVERTING WAVE MOTION TO USABLE ENERGY - The present disclosure provides a method and a device for converting the alternating motion produced by at least one float ( | 2021-09-30 |
20210301779 | WAVE PROTECTION AND ENERGY GENERATION SYSTEMS AND ASSEMBLIES - A system for generating energy from waves in a body of water includes a resilient fluid container that contains a fluid. When the fluid container is compressed and decompressed, the fluid flows out of and into the fluid container. A panel is configured to move relative to the fluid container as the waves act on the panel such that the panel acts on and compresses the fluid container. An energy generating device generates electrical energy as the fluid flows out of fluid container. | 2021-09-30 |
20210301780 | DEVICE FOR ADJUSTING WATER FLOW AND WATER TURBINE MACHINE USING THE SAME - A flow channel adjusting device comprises a flow channel having an inlet and a nozzle outlet corresponding to a water turbine machine, and an adjusting device for adjusting opening dimension of the nozzle outlet, comprising a driving unit, a pivoting part, and a following part. The pivoting part has a first side rotatably coupled to a first rotating element, and is driven to rotate by the driving unit for adjusting the opening dimension of the nozzle outlet. The following part has a third side rotatably coupled to a second side of the pivoting part, and a fourth side rotatably coupled to a second rotating element which translates along a second axis perpendicular to the first axis when the pivoting part is driven to rotate. The flow channel adjusting device could be utilized in water turbine machine and generator using the water turbine for adjusting amount of water flow. | 2021-09-30 |
20210301781 | RENEWABLE ENERGY AND WASTE HEAT HARVESTING SYSTEM - A renewable energy and waste heat harvesting system is disclosed. The system includes an accumulator unit having a high pressure accumulator and a low pressure accumulator. At least one piston is mounted for reciprocation in the high pressure accumulator. The accumulator unit is configured to receive, store, and transfer energy from the hydraulic fluid to the energy storage media. The system collects energy from a renewable energy source and transfers the collected energy using the pressurized hydraulic fluid. The system further includes one or more rotational directional control valves, in which at least one rotational directional control valve is positioned on each side of the accumulator unit. Each rotational directional control valve includes multiple ports. The system also includes one or more variable displacement hydraulic rotational units. At least one variable displacement hydraulic rotational unit is positioned adjacent each of the rotational directional control valves. | 2021-09-30 |
20210301782 | WIND POWER PLANT - A wind power plant includes a shrouded wind turbine having an annular shroud which defines a longitudinal axis and which is rotationally symmetrical thereto. A radially inner upper side of the shroud forms a flow channel for the wind, wherein a propeller which can rotate about the longitudinal axis and is intended for driving an electrical generator is rotatably mounted in the flow channel. A support, which defines a support longitudinal direction, has arranged thereon an annular shroud bearing element on which the shroud, and hence the wind turbine, can be mounted in different pivoting positions about a pivot axis, which extends transversely with respect to the support longitudinal direction. | 2021-09-30 |
20210301783 | SHEAR WEB FOR STIFFENING A WIND TURBINE ROTOR BLADE - A shear web for stiffening a rotor blade includes: a first flange for connecting to a first half-shell, a second flange for connecting to a second half-shell, a core having an end facing the first half-shell, a further end facing the second half-shell, a front side facing a profile leading edge, and a rear side facing a profile trailing edge, a layer of reinforcing fibers having a portion on the rear side and a further portion on the first end and extending toward the profile leading edge, such that the further portion forms part of the first flange, and a further layer having a portion arranged on the front side of the core, and a further portion arranged on the second end of the core and extending from there further toward the profile trailing edge, such that the further portion forms part of the second flange. | 2021-09-30 |
20210301784 | AN INTEGRATED AND SYNERGISTIC MULTI-TURBINE, MULTI-VANE ARRAY FOR A MODULAR, AMPLIFIED WIND POWER GENERATION SYSTEM - A large-scale, modular, wind power generating structure and system involving a toroidal or ovoidal shaped wind amplification structure/module that can be stacked vertically to form a tower that passively accelerates a wind flow that moves around each of the modules due to the Bernoulli Principle. Each amplification level includes a plurality of vertical axis wind turbine and generator assemblies, fairings, and vanes that form a synergistic system wherein the efficiency of the vertical axis turbine and generator assemblies and the amount of energy that can be produced per module are substantially improved compared to the turbine assemblies operating outside the integrated and amplified wind system. | 2021-09-30 |
20210301785 | WIND TURBINE FARM - Wind turbine farms are presented including: a number of steerable wind turbines each having a turbine diameter, where the number of steerable wind turbines is grouped pairwise into a number of monopole wind tower pairs, where each monopole wind tower pair is placed in a fixed pair placement and oriented in one of a number of fixed pair orientations, where each one of the number of fixed pair orientations corresponds with one of a number of prevailing wind directions, and where the number of monopole wind tower pairs is placed in a number of fixed pair positions. | 2021-09-30 |
20210301786 | DYNAMIC WIND-ENERGY PLANT - A method for controlling an electricity distribution grid having a nominal grid voltage, in particular in a critical grid situation, wherein a grid control center is provided for controlling the electricity distribution grid and the electricity distribution grid has at least one control region that comprises a plurality of mutually geographically separate wind farms, comprising the steps of: querying power outputs available from the wind farms, in particular on the basis of a weather forecast; defining a control node within the control region, in particular on the basis of the queried available power out-puts, preferably performed by the grid operator; combining a number of wind farms at the calculated control node to form a wind power plant on the basis of the queried available power outputs and/or a probability distribution of the available power output; controlling the wind power plant, in particular through the grid control center, by way of a wind power plant control unit, such that a required voltage quality and/or frequency stability and/or uninterrupted availability is provided in the control region. | 2021-09-30 |
20210301787 | METHOD FOR OPERATING A CONVERTER, IN PARTICULAR OF A WIND POWER INSTALLATION - The present disclosure relates to a method for operating a converter on a three-phase electrical power supply grid, comprising the following steps: operating the converter in a first operating mode by means of a control unit for generating an output current, wherein the converter in the first operating mode operates in such a way as to apply a voltage to the electrical power supply grid; detecting a grid fault on the electrical power supply grid by means of a detection means during the first operating mode; limiting the output current of the converter by means of current limitation when a grid fault on the electrical power supply grid has been detected during the first operating mode, in particular in such a way that the output current of the converter falls below a predetermined maximum current or substantially corresponds thereto. | 2021-09-30 |
20210301788 | TEMPORARY WEB SUPPORT FOR WIND TURBINE BLADE ROTATING DEVICE - Provided herein is a shear web support for wind turbine blade. Particularly, the present disclosure provides a frangible shear web support element that is designed to fail under certain specific conditions. The frangible support(s) enhance the structural rigidity of the shear web, allow for one-step mold closures, and rupture or disconnect once a predetermined condition (e.g. load threshold, load orientation/vector) is applied to the support element. | 2021-09-30 |
20210301789 | ASSEMBLY METHOD AND ASSEMBLY SYSTEM FOR A VIBRATION DAMPER OF A WIND POWER PLANT TOWER - The invention relates to an assembly method for a vibration damper of a tower of a wind power plant, in which the vibration damper is switched into a transport state from a state of use. The vibration damper is connected to a structural component of the tower such that a damper mass of the vibration damper can be set in motion, during which movement the distance between the damper mass and a central axis of the tower varies. The vibration damper is switched into the transport state by tilting the vibration damper compared to the state of use. The invention also relates to an associated assembly system. | 2021-09-30 |
20210301790 | Device and Method for Upending a Tubular Element with a Longitudinal Direction at an Outer End - Described herein is a device for upending a tubular element with a longitudinal direction at an outer end. The device has a cross-shaped support structure of mutually coupled beams. The support structure is pivotable round a lifting member connected thereto for connection to a lifting means such as a crane. Clamping members slidable along the beams from a clear position to a clamping position can provide for coupling to a wall part of the outer end of the tubular element in the clamping position. In the clamping position the beams extend substantially transversely of the longitudinal direction of the tubular element. Also described herein is a method which makes use of the device. | 2021-09-30 |
20210301791 | WIND TURBINE COMPONENT TRANSPORT ARRANGEMENT - Provided is a wind turbine component transport arrangement including a plurality of rotor blade support frames; a plurality of nacelle support frames; and a plurality of tower section support frames; wherein the dimensions of a support frame correspond to the dimensions of a stack of standard containers. Also provided is a method of transporting wind turbine components on a containership using such a wind turbine component transport arrangement. | 2021-09-30 |
20210301792 | METHOD OF OPERATING FLOATING OFFSHORE WIND TURBINES - A method for operating at least two floating offshore wind turbines ( | 2021-09-30 |
20210301793 | TOOL CHAIN AND METHOD FOR CONCENTRIC FIXING AND EXCHANGE OF GEARBOX AND GENERATOR INTERNAL COMPONENTS - A tool chain ( | 2021-09-30 |
20210301794 | OPERATING A WIND TURBINE DURING SERVICE - A method of operating a wind turbine during a service, wherein the wind turbine comprises at least one rotor-nacelle assembly, the or each rotor-nacelle assembly comprising a rotor; the method comprising: detecting that a service is to be or is being carried out on the wind turbine; and, on detecting that a service is to be or is being carried out on the wind turbine, reducing an operating level of the or each rotor-nacelle assembly. | 2021-09-30 |
20210301795 | GENERATOR SYSTEM UTILIZING WEIGHTS OF RECURRENT STATIC LOADS - A generator system that includes a platform configured to support a load ( | 2021-09-30 |
20210301796 | ELECTRICALLY CONTROLLED INTERFACIAL FORCE GENERATION DEVICE AND PROPULSION ENGINE - An electrically controlled interfacial force generation device includes a first electrode, a second electrode, and a cell disposed between the first electrode and the second electrode. The cell includes a material that produces a mass in response to a bias voltage being applied across the first electrode and the second electrode. The device also includes a first wall at one end of the cell and extending between the first electrode and the second electrode. The device further includes an electrical power supply configured to provide a variable gradient voltage across the first electrode and the second electrode. A variable electric field gradient is produced and altered within the cell in response to the variable gradient voltage being altered. Altering the variable electric field gradient causes the mass to propagate across the cell and to impact the first wall transferring a force to the first wall. | 2021-09-30 |
20210301797 | Plasma Engine With Leptonic Energy Source - Provided herein are various leptonic power sources, leptonic control systems, and leptonic-powered engines. In one example, an apparatus includes a housing having apertures through which material can enter and exit, and an anode coupled to the housing upstream from a cathode. A leptonic source emits beam electrons into the housing to ionize the material into a plasma according to a selectable ionization degree and deposit charge onto the cathode to establish an electric field in the plasma. A magnetic field source produces a magnetic field in the plasma at selectable angle to the flow of the plasma to at least partially entrain plasma electrons. Ions of the plasma are accelerated downstream in the housing by the electric field and impart momentum to a portion of the material to produce a thrust proportional to the selectable ionization degree of the plasma and a selectable intensity of the electric field. | 2021-09-30 |
20210301798 | Metal Plasma Thruster Cube - A pulsed metal plasma thruster (MPT) cube has a plurality of thrusters, each having a first cathode electrode and a trigger electrode separated from the first electrode by an insulator sufficient to support an initiation plasma, and a porous anode electrode positioned a separation distance from the face of all of the cathode electrodes. The cathode electrode can be either the inner electrode or the outer electrode. A power supply delivers a high voltage pulse to the trigger electrode with respect to the cathode electrode sufficient to initiate a plasma on the surface of the insulator. The plasma transfers between the anode electrode and cathode electrode of selected thrusters, thereby generating a pulse of thrust. | 2021-09-30 |
20210301799 | Leveraged Compressor - In accordance with one aspect of the present disclose, a fluid compressor for compressing a fluid is disclosed. The fluid compressor has a frame and a piston assembly. The piston assembly has a compression chamber connected to the frame, and the compression chamber includes a movable piston inside of the compression chamber along with a connection rod of a smaller transverse dimension than the diameter of the piston connected to the piston at a first end of the connection rod. The fluid compressor further has a pivot point located on the frame, and a lever connected to the pivot point. The lever has a short end and a long end on opposite sides of the pivot point, and the short end is connected to a second end of the connection rod. Further included is a lifting device for raising and lowering the lever. | 2021-09-30 |
20210301800 | DEVICE AND METHOD FOR RELOCATING WATER - A water relocation device comprising one or more flexible water conduits, wherein the one or more conduits are arranged circumferentially around an operating element of the water relocation device, and a method of increasing ocean carbon sink comprising creating a plurality of parcels of salt and distributing the salt parcels on an ocean surface. | 2021-09-30 |
20210301801 | PUMP DRIVE SYSTEM - A drive system for a fluid displacement pump includes an electric motor, a drive coupled to the rotor at a first end of the electric motor, a fluid displacement member mechanically coupled to the drive, and a pump frame mechanically coupled to the electric motor. The electric motor includes a stator and a rotor disposed on an axis. The drive coupled to the rotor converts the rotational output to a linear, reciprocating input to the fluid displacement member. The rotor is disposed about the stator to rotate about the stator. | 2021-09-30 |
20210301802 | Variable Displacement Compressor - In a variable displacement compressor | 2021-09-30 |
20210301803 | VEHICLE ELECTRIC COMPRESSOR - A vehicle electric compressor includes a compression part, an electric motor, and an inverter device. The inverter device includes a noise reduction unit that includes a common mode choke coil. The common mode choke coil includes a core, a first winding wire, a second winding wire, and an electrical conductor that covers the core. The electrical conductor has a first insulation layer and a second insulation layer. The first insulation layer, the electrical conductor, and the second insulation layer form a laminated body including a loop-shaped portion that covers the core and a joint portion. | 2021-09-30 |
20210301804 | MULTI-COOLING TYPE COLD TRAP - According to an embodiment, a multi-cooling type cold trap according to the present disclosure includes a main body unit in which an inflow space having a material to be condensed flown therein is formed, a circulation unit which is disposed in the inflow space of the main body unit and circulates cooling water for condensing the material to be condensed, and a supply unit which supplies the cooling water to the circulation unit after lowering temperature of the cooling water in stages. | 2021-09-30 |
20210301805 | CRYOPUMP SYSTEM, AND CONTROL DEVICE AND REGENERATION METHOD FOR CRYOPUMP SYSTEM - A cryopump system includes a plurality of cryopumps, each cryopump including a rough valve connecting the cryopump to a common rough pump and a pressure sensor measuring a pressure in the cryopump, and a controller that controls, for each cryopump, the rough valve based on a measured pressure from the pressure sensor such that the cryopump is decompressed to a first reference pressure by the common rough pump and thereafter a vacuum is maintained in the cryopump, and the cryopump is further decompressed to a second reference pressure lower than the first reference pressure by the common rough pump. The controller is configured to, based on the measured pressure from the pressure sensor of a first cryopump, open the rough valve of a second cryopump such that the second cryopump is decompressed to the first reference pressure while the vacuum is maintained in the first cryopump. | 2021-09-30 |
20210301806 | HYDRAULIC PISTON WITH A DEPRESSURIZED GROOVE - The hydraulic piston with a depressurized groove is capable of translating in a cylinder and includes a fixed skirt, an axial compression face which forms with the cylinder a fluid chamber, and an axial working face which cooperates with a transmission; the piston also includes a seal, a depressurized radial groove emerging onto the surface of the fixed skirt, an axial decompression duct fitted inside the skirt which emerges in the vicinity of the axial working face, and a radial decompression duct which depressurizes the radial groove in communication with the axial decompression conduit. | 2021-09-30 |
20210301807 | HIGH-POWER FIVE CYLINDER PLUNGER PUMP - The present invention discloses a high-power five cylinder plunger pump. The high-power five cylinder plunger pump has a stroke of 10 inches, a cylinder spacing of 11.5 inches, and a braking power of 5000 HP. Beneficial effects: high power, large displacement; suitable for electric drive fracturing and turbine fracturing; an integral power end assembly or a split-type power end assembly could be selected according to specific operation conditions, thus better implementing the arrangement of fracturing units or fracturing vehicles; the dimension of the cylinder spacing ensures stable operations under a 5000 HP braking power with a long stroke. | 2021-09-30 |
20210301808 | ELECTRICALLY OPERATED DISPLACEMENT PUMP ASSEMBLY - An electrically operated displacement pump includes an electric motor having a stator and a rotor. The rotor is connected to the fluid displacement member to drive axial reciprocation of the fluid displacement member. A drive mechanism is disposed between and connected to each of the rotor and the fluid displacement member. The drive mechanism receives a rotational output from the rotor and provides a linear input to the fluid displacement member. | 2021-09-30 |
20210301809 | ELECTRICALLY OPERATED DISPLACEMENT PUMP CONTROL SYSTEM AND METHOD - An electrically operated displacement pump includes an electric motor having a stator and a rotor. The rotor is connected to the fluid displacement member to drive axial reciprocation of the fluid displacement member. A drive mechanism is disposed between and connected to each of the rotor and the fluid displacement member. The drive mechanism receives a rotational output from the rotor and provides a linear input to the fluid displacement member. A controller controls operation of the motor based on an operating state of the motor to control pumping by the displacement pump. | 2021-09-30 |
20210301810 | HYDRAULIC ELEMENT AND DISPLACEMENT PUMP HAVING SUCH AN ELEMENT - The present invention concerns a hydraulic element comprising a sleeve-shaped casing and a piston reciprocable in a longitudinal direction in the sleeve-shaped casing. To provide a hydraulic element for use in displacement pumps for conveying small amounts of liquid, in which the danger of breakage or deflection of the hydraulic element is reduced, it is proposed according to the invention that the piston has a cavity extending in the longitudinal direction and having a cavity entry, wherein there is provided a pin which extends through the cavity entry into the cavity and which is connected to the sleeve-shaped casing at the sleeve-shaped casing or by way of an intermediate element so that in a reciprocating movement of the piston a relative movement occurs between the piston and the pin. The present invention further concerns a displacement pump having the hydraulic element according to the invention. | 2021-09-30 |
20210301811 | 3D CELL WASHER - An autoclaving microplate washing system for cells and non-adhering three-dimensional (3D) cell cultures includes one or more peristaltic pumps for controlling the dispensing of washing fluid and the evacuation of fluid from microwells to gently wash the cells. | 2021-09-30 |
20210301812 | Control Method of Compressor and Refrigerant Circulation System - The present disclosure provides a control method of a compressor and a refrigerant circulation system. The control method includes deciding whether a current working volume state of the compressor is matched with a control instruction after the compressor completes a change to a working volume according to the control instruction, determining that the compressor operates normally in a case where the current working volume state of the compressor is matched with the control instruction, and determining that the compressor operates in fault in a case where the current working volume state of the compressor is not matched with the control instruction. | 2021-09-30 |
20210301813 | GAS LOCK REMOVAL METHOD FOR ELECTRICAL SUBMERSIBLE PUMPS - Embodiments of the present invention disclose a method, a computer program product, and a system for removing gas locking in a pump. The method includes setting the pump into a gas interference condition based on a variable speed drive driving a pump at a first frequency and a choke valve set at a first restriction value and adjusting the variable speed drive to a second frequency and the choke valve to a second restriction value such that the adjustment produces a backpressure that lets free gas get dissolved in a fluid phase and keeps fluids drawn by the pump at a single-phase flow based on pressure-volume-temperature characteristics of the fluids. | 2021-09-30 |
20210301814 | COMPRESSOR - A compressor includes a casing accommodating a compression mechanism, a detection device having a detection face configured to detect an internal state of the casing, an elastic member, and a cover mounted to the casing to cover the detection device and a part of the elastic member. The detection face is located opposite an outer peripheral face of the casing. The elastic member includes a first portion overlapping the detection device and a second portion not overlapping the detection device, as seen in plan view. The cover is configured to press the second portion of the elastic member against the casing, with the first portion of the elastic member pressing the detection device against the casing. | 2021-09-30 |
20210301815 | Wellsite Pumping Systems and Methods of Operation - A pumping system for performing a borehole operation including pumping a fluid into a borehole. The system may include a motor, a transmission, a pump, and a control system. The motor, transmission, and pump may each include sensors. The transmission may be operatively coupled to the motor. The pump may be operatively coupled to the transmission and configured to pump fluid into the borehole. The control system may be in communication with the motor sensors, the transmission sensors, and the pump sensors. The control system may be configured to monitor the operation of the motor, the transmission, and the pump, determine if at least one of the motor, the transmission, or the pump is operating outside of predetermined parameters, and determine at least one component of the motor, the transmission, or the pump that is most likely to cause the operation to be outside of the predetermined parameters. | 2021-09-30 |
20210301816 | VARIABLE DISPLACEMENT GEROTOR PUMP - A gerotor pump includes a casing including a pumping chamber, a fixed gear being inserted into the casing and rotating at a fixed position, including a plurality of teeth formed inside a cylinder, and including at least one fluid hole at one end of the cylinder to allow a fluid to flow from the pumping chamber or into the pumping chamber, a moving gear provided inside the fixed gear and including one less number of teeth than a number of the plurality of teeth of the fixed gear and movable in an axial direction, a gear block arranged inside the fixed gear and movable in the axial direction, a gear ring arranged outside the moving gear and movable with respect to the moving gear in the axial direction, a gear ring cover provided at one end of the casing and including a hole in which the gear ring is rotated. | 2021-09-30 |
20210301817 | ROTOR FOR AN ECCENTRIC SCREW PUMP AND METHOD FOR THE MANUFACTURE THEREOF - A method of manufacturing a metallic rotor of an eccentric screw pump, comprising clamping a workpiece extending along a central longitudinal axis in a workpiece clamping device and removing material from the workpiece by cutting with a cutting tool. The invention further comprises not producing the surface of the rotor in a three-axis whirling process, using the cutting tool to produce the outer surface geometry of the rotor, advancing the cutting tool along an axis of advance that is parallel to the longitudinal axis of the rotor, and rotating the cutting tool about an axis of tool rotation that is parallel to the longitudinal axis of the rotor. | 2021-09-30 |
20210301818 | ROTARY COMPRESSOR - A rotary compressor may include a rotational shaft, a first bearing and a second bearing each supporting the rotational shaft in a radial direction, a cylinder disposed between the first bearing and the second bearing and forming a compression space, a roller disposed in the compression space to form a contact point spaced at a predetermined interval from the cylinder and coupled to the rotational shaft to compress a refrigerant in response to rotation of the roller, and at least one vane slidably inserted into the roller and in contact with an inner circumferential surface of the cylinder and dividing the compression space into a plurality of compression chambers. Each of the at least one vane may include a pin that extends in an axial direction of the rotational shaft. An inner lower surface of the first bearing or an upper surface of the second bearing may include a rail groove into which the pin is inserted. | 2021-09-30 |
20210301819 | PUMP WITH HIGH TORQUE DRIVE - A fluid moving apparatus includes an electric motor having a rotor and a stator and a fluid displacement member. The rotor rotates relative to the stator on a common axis to generate a rotational output. The rotational output is provided to the fluid displacement member to power the fluid displacement member to one of move linearly along and rotate about the common axis. The stator includes one or more coils configured to power rotation of the rotor. The one or more coils extend circumferentially around and can be coaxial on the common axis. | 2021-09-30 |
20210301820 | SCROLL COMPRESSOR - The distance between openings of two supply passages that are closest to an accommodating recess is less than the distance between openings of two injection ports that are closest to compression chambers. This configuration minimizes the volume of the space in the accommodating recess between a check valve and the two supply passages, unlike a case in which the distance between the openings of the supply passages that are closest to the accommodating recess is greater than or equal to the distance between the openings of the two injection ports that are closest to the compression chambers. This reduces the flow rate of refrigerant that flows into the accommodating recess from the compression chambers in a compression process through the injection ports and the supply passages. | 2021-09-30 |
20210301821 | MOTOR-DRIVEN COMPRESSOR - A flange is held by a peripheral wall of an intermediate housing member and a peripheral wall of a motor housing member. In this state, bolts are passed through the intermediate housing member and the flange and are threaded to a peripheral wall of the motor housing member, thereby integrally fixing a shaft support housing member to the intermediate housing member and the motor housing member. Thus, the shaft support housing member sufficiently receives the fastening force of the bolts. Vibration of the shaft support housing member is therefore easily suppressed. The intermediate housing member includes a peripheral wall. Thus, the intermediate housing member has a higher stiffness than in a case in which the intermediate housing member does not have the peripheral wall. | 2021-09-30 |