07th week of 2019 patent applcation highlights part 32 |
Patent application number | Title | Published |
20190048808 | A FUEL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A fuel system for an internal combustion engine is provided including a first fuel container for a first fuel, a second fuel container for a second fuel, a pump, and a first fuel injector, the fuel system being arranged to provide a communication between the first fuel container and the pump and between the pump and the first fuel injector, and a reservoir with a separation device adapted to divide the reservoir into a first volume and a second volume, whereby the separation device may be moved or flexed by a pressure difference in the first and second volumes so as to change the sizes of the first and second volumes, wherein the fuel system is arranged to provide a communication between the pump and the first volume, and to provide a communication between the second fuel container and the second volume and between the second volume and a second fuel injector. | 2019-02-14 |
20190048809 | ENGINE PROFILE MANAGEMENT - Herein is disclosed a vehicle engine operation profile selection device comprising one or more sensors, configured to detect sensor data; and one or more processors, configured to select an engine operation profile from a plurality of engine operation profiles based on the sensor data; and operate an engine according to the selected engine operation profile. | 2019-02-14 |
20190048810 | METHOD OF EXHAUST GAS MANAGEMENT IN INTERNAL COMBUSTION ENGINES, CORRESPONDING SYSTEM, ENGINE, VEHICLE AND COMPUTER PROGRAM PRODUCT - A method of controlling exhaust gas recirculation in the internal combustion engine includes: sensing one or more sensing signals indicative of operating conditions of an internal combustion engine, producing, as a function of the sensing signal or signals sensed, an exhaust gas recirculation control signal for controlling exhaust gas recirculation in the internal combustion engine, producing, e.g., via a “virtual” sensor including a neural network, a particulate size distribution signal indicative of the particulate size distribution in the exhaust of the internal combustion engine, correcting the exhaust gas recirculation control signal as a function of the particulate size distribution control signal, thereby producing a corrected exhaust gas recirculation control signal, and controlling exhaust gas recirculation in the internal combustion engine as a function of the corrected exhaust gas recirculation control signal. | 2019-02-14 |
20190048811 | FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES - Fuel management system for efficient operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder of the engine. A fuel management microprocessor system controls injection of the anti-knock agent so as to control knock and minimize that amount of the anti-knock agent that is used in a drive cycle. It is preferred that the anti-knock agent is ethanol. The use of ethanol can be further minimized by injection in a non-uniform manner within a cylinder. The ethanol injection suppresses knock so that higher compression ratio and/or engine downsizing from increased turbocharging or supercharging can be used to increase the efficiency or the engine. | 2019-02-14 |
20190048812 | METHOD FOR OPERATING AN INTERNAL COMBUSTION PISTON ENGINE - A method is provided for operating an internal combustion piston engine, including introducing air into a cylinder of the engine, compressing the air in a first compression stroke of the cylinder, providing fuel into the cylinder for a first combustion, with a portion of the oxygen in the compressed air as oxidant, in a first power stroke succeeding the first compression stroke, to produce residues including oxygen, compressing the residues in a second compression stroke succeeding the first power stroke, and providing, after the first combustion, fuel into the cylinder for a second combustion, with at least a portion of the oxygen of the residues as oxidant, in a second power stroke succeeding the second compression stroke, wherein the first compression stroke is repealed immediately after the second power stroke, and the introduction of air into the cylinder is done at the end of the second power stroke and/or at the beginning of the first compression stroke. | 2019-02-14 |
20190048813 | METHODS AND SYSTEMS FOR REDUCING WATER ACCUMULATION IN AN ENGINE - Methods and systems are provided for reducing accumulation of condensate in an engine intake during an engine non-combusting condition. In one example, during an engine non-combusting condition, responsive to a higher than threshold ambient humidity and a lower than threshold intake manifold temperature, intake and exhaust valves of deactivatable cylinders may be closed in order to seal the cylinders and during an immediately subsequent engine combusting condition, the intake and exhaust valves of the deactivatable cylinders may be activated and combustion may be resumed in the deactivatable cylinders before starting combustion in non-deactivatable cylinders. Also, during the engine non-combusting condition, residual hot exhaust may be recirculated to the intake manifold to evaporate condensate in the intake manifold. | 2019-02-14 |
20190048814 | VARIABLE COMBUSTION CYLINDER RATIO CONTROL DEVICE AND METHOD - A variable combustion cylinder ratio control device includes a target ratio setting section and a pattern determining section. The pattern determining section determines a target deactivation interval as a subsequent deactivation interval when the difference between a current deactivation interval and the target deactivation interval is less than or equal to X cylinders, and determines, as the subsequent deactivation interval, an interval closer to the target deactivation interval than the current deactivation interval by X cylinders when the difference between the current deactivation interval and the target deactivation interval exceeds X cylinders. The value of X is a natural number and a variable value that varies in accordance with the operating state of the engine. | 2019-02-14 |
20190048815 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE AND METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE - A controller for an internal combustion engine includes processing circuitry that performs a dither control process on condition that a temperature increase request of a catalyst is made. The processing circuitry operates fuel injection valves so that during the dither control process, one or more cylinders are lean combustion cylinders in a first period and another one or more cylinders are rich combustion cylinders and so that the average value of an exhaust gas-fuel ratio is a target air-fuel ratio in a second period including the first period. The dither control process is restricted in a manner that, on condition that the rich process is performed, the degree of richening of the richest exhaust gas-fuel ratio of exhaust gas-fuel ratios in the cylinders is reduced. | 2019-02-14 |
20190048816 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE - A controller for an internal combustion engine includes a processing circuit that performs a dither control process on condition that a temperature increase request of a catalyst is made. The processing circuit operates fuel injection valves so that during the dither control process, one or more cylinders are lean combustion cylinders in a first period and another one or more cylinders are rich combustion cylinders and so that the average value of an exhaust gas-fuel ratio is a target air-fuel ratio in a second period including the first period. The dither control process is restricted in a manner that, on condition that the rich process is performed, the degree of richening of the richest exhaust gas-fuel ratio of exhaust gas-fuel ratios in the cylinders is reduced. | 2019-02-14 |
20190048817 | ENGINE SELF-ADJUSTMENT SYSTEM - A utility engine air-to-fuel ratio control method in which during an initial or early part of a period of engine continuous operation its stability of operation is determined and if sufficiently stable a test of the air-to-fuel ratio of the air-fuel mixture supplied to the engine is performed and if need be changed to a new air-to-fuel ratio supplied to the engine during the remainder of the period of engine continuous operation. If the engine operation is not sufficiently stable the test is not started or if started is aborted. | 2019-02-14 |
20190048818 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE - A controller includes an air-fuel ratio control unit that calculates an air-fuel ratio F/B correction value and an air-fuel ratio learning value and corrects an amount of fuel supplied to each cylinder based on the air-fuel ratio F/B correction value FAF and the air-fuel ratio learning value KG. The controller further includes a dither control unit that executes dither control to adjust the amount of fuel supplied to each cylinder, corrected by the air-fuel ratio control unit, so that at least one of the cylinders is set to a rich combustion cylinder and at least a further one of the cylinders is set to a lean combustion cylinder. When the dither control is executed, the air-fuel ratio control unit prohibits execution of air-fuel ratio learning control and executes air-fuel ratio feedback control. | 2019-02-14 |
20190048819 | MASS-AIRFLOW MEASUREMENT CONVERSION APPARATUS FOR INTERNAL COMBUSTION ENGINE CARBURETORS - A controller for an electronic fuel injection system for an internal combustion engine includes: a plurality of analog-to-digital (A/D) converters; a memory; and a processor communicatively coupled to the A/D converters and the memory. The A/D converters are configured to receive analog electrical signals representing pressures generated by a plurality of pressure sensors disposed at different locations along an air intake path and output corresponding digital signals representing the pressures, one or more of the pressure sensors are disposed in a body of a carburetor rendered permanently inoperable to mix fuel with air flowing in the air intake path, and the processor is configured to receive the digital signals representing the pressures output from the A/D converters and output a mass air flow signal representing a mass air flow rate as to an engine management system to control the electronic fuel injection system based on the received pressure signals. | 2019-02-14 |
20190048820 | SYSTEMS FOR FUEL DELIVERY - Various systems are provided for delivering fuel to an engine. In one example, a system includes a controller and a fluid system configured to maintain a fluid at a pressure downstream of a check valve. The controller may be configured to determine if a leak is present in the fluid system based on a first pressure decay rate of the fluid system, and responsive to identifying that a leak is present in the fluid system, differentiate between an internal leak and an external leak based on a leak flow rate as fluid system pressure decreases. | 2019-02-14 |
20190048821 | METHOD FOR OPERATING AN ELECTRIC FUEL PUMP - A method is described for operating an electric fuel pump constituting a low-pressure pump in a fuel supply system for an internal combustion engine, having a high-pressure reservoir and a high-pressure pump, of a motor vehicle. The electric fuel pump is operated at least temporarily, during a time period during which the internal combustion engine is switched off during operation of the motor vehicle, with a minimum value for a control application variable for the electric fuel pump. | 2019-02-14 |
20190048822 | PISTON BOWL RIM WITH FATIGUE RESISTANCE - A piston with an improved bowl geometry includes a piston body having a generally planar crown and a skirt extending from the crown. An oval or multi-lobed bowl rim of a combustion bowl that is recessed in the crown so that the sides of the bowl rim are provided with increased material to resist fatigue along the pin plane, optionally along the thrust/antithrust plane and generally optionally along other planes between the pin plane and the thrust/antithrust plane. | 2019-02-14 |
20190048823 | ROTATING PART SUPPORTING STRUCTURE FOR ENGINE - Disclosed herein is a support structure for a rotary part of an engine ( | 2019-02-14 |
20190048824 | TURBINE ENGINE THRUST REVERSER STOP - A thrust reverser assembly for a turbine engine can include a core engine surrounded by a nacelle. A bypass duct can be formed in the space between the core engine and the nacelle. A blocker door can be movable to a deployed position extending into the bypass duct. A stop can be provided on the core engine to abut and support force applied to the deployed blocker door. The stop can have an airfoil shape. | 2019-02-14 |
20190048825 | TURBINE FAN SYSTEM AND METHOD - A fan system of a turbine includes a fan mid shaft made of a coated steel material configured to extend along a center axis of a turbine. The fan mid shaft having an inner diameter surface. The fan system includes a dry film lubricant that is configured to be applied to at least a portion of the inner diameter surface of the fan mid shaft. | 2019-02-14 |
20190048826 | GAS TURBINE ENGINE - An aircraft gas turbine engine comprises a fan coupled to a fan drive turbine, the fan being configured to provide a bypass flow (B) and a core flow (A) in use. The engine includes a reduction gearbox which couples the fan to the fan drive turbine and a core compressor arrangement. The core compressor arrangement has a core inlet at an upstream end of a core gas flow passage (A) defined by radially inner and outer walls, and at least a first compressor rotor blade provided at an upstream end of the compressor arrangement. The radially inner wall of the core inlet defines a first diameter (D | 2019-02-14 |
20190048827 | Portable Engine Working Machine And Rotary Carburetor Incorporated Therein - To improve responsiveness of fuel supply control, a rotary carburetor | 2019-02-14 |
20190048828 | General aviation carburetor testing and analysis device - A testing device for general aviation carburetors and fuel servos. The testing device is capable of replicating carburetor operating characteristics and using sensors to monitor and record the operating characteristics of both horizontal and vertical type carburetors, and compare the data received with predefined values. The testing device measures both test fluid and air flow through a carburetor. A moveable camera is placed within the throttle body of the carburetor being tested providing visual inspection of the fluid atomization with snap shot capability. The testing device also includes flow sensors to record the performance of the carburetor, providing automated data collection with memory storage. The device is fully portable with lockable caster wheels. | 2019-02-14 |
20190048829 | VAPOR IMPERMEABLE SOLENOID FOR FUEL VAPOR ENVIRONMENT - A vapor impermeable solenoid includes an outer housing fabricated from a vapor impermeable material configured to prevent fuel vapor molecules from passing therethrough; windings configured to generate a magnetic flux when energized, a flux collector configured to direct the magnetic flux, a pole piece, and a magnetic armature disposed within the housing and coupled to a seal configured to selectively seal a passage that allows fuel vapor to pass to a purge canister. The magnetic armature is configured to move from a first position to a second position when an electric current is applied to the windings. | 2019-02-14 |
20190048830 | Fuel Vapor Processing Apparatus - A fuel vapor processing apparatus form an internal combustion engine provided with a turbocharger includes a canister and an ejector. The canister is configured to adsorb fuel vapor from a fuel tank. The ejector is configured to generate a negative pressure by supercharged air flowing from an intake passage on a downstream side of the turbocharger to the intake passage on an upstream side of the turbocharger, so that fuel vapor in the canister is purged by the negative pressure. The ejector includes an ejector housing extending in a discharge direction of the supercharged air. The ejector housing is welded to a tubular member defining a passage wall of the intake passage such that the supercharged air is discharged into the intake passage on the upstream side of the turbocharger and that the discharge direction of the supercharged air is parallel to a direction of flow of intake air. | 2019-02-14 |
20190048831 | FRESH AIR PATH HYDROCARBON TRAP SYSTEM - A system for minimizing hydrocarbon vapor emissions includes a fuel vapor adsorption canister and a fresh air vent line from the fuel adsorption canister to an ambient environment to vent the fuel vapor adsorption canister. The fresh air vent line includes one or more hydrocarbon trap sections. The one or more hydrocarbon trap sections of the fresh air vent line adsorb hydrocarbon emissions from the fuel vapor adsorption canister to minimize hydrocarbon emissions to the ambient environment. | 2019-02-14 |
20190048832 | CONDUIT MOUNTING DEVICE - A device for mounting a conduit of a vapor canister on a vehicle includes a base having a first side and an opposing second side. The base includes fastener openings for receiving fasteners to attach the base to a frame. A connector extends from the first side of the base between the fastener openings for connecting the device to a conduit of a vapor canister. A pipe having an inlet extends from the second side of the base and forms an air passage from the inlet to the connector. The device may also include supports on the second side of the base for supporting the device on frame members with rounded or flat surfaces. The conduit mounting device can be installed by attaching the device on a frame member without the need for tools. | 2019-02-14 |
20190048833 | EXHAUST GAS RECIRCULATION LINE EMBODIED TO BE PARTIALLY FLEXIBLE - The invention relates to an exhaust gas circulation line ( | 2019-02-14 |
20190048834 | FUEL PUMP CONTROLLER INTEGRATED WITH AIR FILTER - A fuel pump controller having an integrated air filter includes: a mounting plate fixed to a fuel tank; a motor driver provided on the mounting plate; an air filter having a filter sheet disposed inside a filter case to remove a foreign substance from air and having an air inlet port for air introduction; and an air outlet port for discharging the air, which has passed through the filter sheet. The filter case is integrally disposed on the mounting plate to enable heat exchange between the air passing therethrough and the motor driver. | 2019-02-14 |
20190048835 | SEGMENTED MANIFOLD HEAD CONNECTORS - Intake manifold-cylinder head connectors and methods of assembling the same are disclosed. A distal jumper tube includes a distal jumper tube conduit with an upstream end having a first exterior engagement feature and a downstream end. A proximal jumper tube includes a proximal jumper tube conduit with an upstream end and a downstream end having a second exterior engagement feature. A middle jumper tube includes a middle jumper tube conduit with an upstream end having a third exterior engagement feature, and a downstream end having a fourth engagement feature. The first exterior engagement feature is removably coupled to the fourth exterior engagement feature, and the second exterior engagement feature is removably engaged to the third exterior engagement feature. The proximal jumper tube is in fluid receiving communication with an intake manifold conduit, and the distal jumper tube is in fluid providing communication with a cylinder head aperture. | 2019-02-14 |
20190048836 | FUEL SUPPLY DEVICE - A conduit engaging mechanism has a first member and a second member. The first member and the second member define and form fuel passages extending over them. A seal member is disposed between the first member and the second member. The first member and the second member are firmly engaged in a radial direction by fittingly coupling an engaging section and a fitting section. The first member and the second member are engaged by an engaging mechanism in an axial direction. The fuel passages are communicated as a series of passages by engaging the first passage forming section and the second passage forming section. The first passage forming section has a flexible pipe. The flexible pipe suppresses extension and contraction of the seal member by deflection itself. Consequently, deterioration of the seal member is suppressed. | 2019-02-14 |
20190048837 | Fuel Pump For A Fuel Injection System - Various embodiments may include a high-pressure fuel pump for applying high pressure to a fuel in a fuel injection system comprising: a pump housing with a housing bore arranged between a first end region and a second end region, a pump piston movable in translation along a movement axis of the housing bore during operation, and an outer wall region extending parallel to the housing bore between the first end region and the second end region; and a damper arrangement with a damper housing, wherein the damper housing and the outer wall region collectively delimit an overall damping volume. The damper housing has a housing depth extending tangentially with respect to the outer wall region along a depth axis and a housing length extending radially with respect to the movement axis away from the outer wall region along a longitudinal axis. The housing length is greater than the housing depth. | 2019-02-14 |
20190048838 | FUEL INJECTOR - A fuel injector for a compression ignited engine comprises an injector nozzle with a nozzle body having at least one spray hole with a hole entry from a sack on the inside of the nozzle body and a hole exit on the outside of the nozzle body. The hole entry of the spray hole has a cross-section being elliptical and larger than the cross-section of the hole exit of the spray hole. The cross-sections of the hole entry and the hole exit of the spray hole are concentric as seen in the direction of a centre axis of the spray hole intersecting said cross-section. | 2019-02-14 |
20190048839 | METHOD AND SYSTEM FOR CONTROLLING AN INTEGRATED STARTER-GENERATOR - The invention relates to a method for controlling an integrated starter-generator, including receiving a start signal; determining an initial position of a rotor with respect to a stator phase winding integrated starter-generator of the integrated starter-generator; applying a pulse-width-modulated signal to the stator winding corresponding to determined initial position of the rotor; measuring current of the stator winding in response to applied pulse-width-modulated signal to determine current variation; if current variation is more than a threshold value, determining updated rotor position and applying a pulse-width-modulated signal to the stator winding corresponding to the updated rotor position; determining speed of the rotor, if speed of the rotor is more than a threshold value, monitoring a trigger signal from an ignition trigger sensor coupled to the engine; and if the trigger signal is received, determining the updated rotor position and exciting the stator winding corresponding to the updated rotor position. | 2019-02-14 |
20190048840 | ELECTROMAGNETIC SWITCH DEVICE FOR STARTER - An electromagnetic switch device for a starter includes: a terminal block in which a main contact chamber that is open at an attraction coil side in an axial direction and in which a pair of main fixed contacts and a main movable contact are located, and an auxiliary relay that is open at a side opposite to the attraction coil side in the axial direction, are located; a cover provided at an opening side of the terminal block at which the auxiliary relay is located, the cover having through holes through which main fixed contacts penetrate in a state where the auxiliary relay is sealed; and an elastic member which is located between the auxiliary relay and the cover and which fixes the auxiliary relay in the axial direction together with the terminal block and the cover. | 2019-02-14 |
20190048841 | Auxiliary Heating System - An auxiliary heating system comprising interconnected piping which forms a closed fluid flow circuit for permitting a passage of coolant therein, and having formed chamber openings along a length thereof to receive at least one heating element which projects into the closed fluid flow circuit to be in direct contact with, and heat, the coolant. A pump is provided for circulating the coolant, along with a flow switch for monitoring flow of the coolant through the closed fluid flow circuit, wherein if the flow has ceased through the closed fluid flow circuit, the flow switch instructs the system to deactivate the heating elements. | 2019-02-14 |
20190048842 | Internal Combustion Engine Control Device - The invention provides an internal combustion engine control device capable of performing a stable combustion at a lean combustion limit. In an internal combustion engine control device that controls an internal combustion engine provided with an ignition device igniting an air-fuel mixture formed inside a combustion chamber, an intake side air temperature of the internal combustion engine is controlled in response to a compression ratio of the combustion chamber. | 2019-02-14 |
20190048843 | CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE - A control device of an internal combustion engine is provided. In the case where a switch request for switching from all-cylinder operation to partial-cylinder operation is made, before a switch from the all-cylinder operation to the partial-cylinder operation is executed, an intake air amount increase control increasing an intake air flow rate of an engine by increasing an opening degree of a throttle valve is performed, an ignition timing retardation control retarding an ignition timing is performed, and based on a retardation limit value of the ignition timing at a time point when the switch request is made, a start timing of the intake air amount increase control is changed. As a retardable amount being a difference between an initial ignition timing and the retardation limit value decreases, the start timing of the intake air amount increase control is delayed further. | 2019-02-14 |
20190048844 | DEVICE FOR CONVERTING WAVE ENERGY INTO ELECTRICAL ENERGY - A device for converting wave energy into electrical energy has a sliding mass, a guide for the sliding mass, an electric generator provided with a rotor, a rotor shaft integral with the rotor, a first mechanism that connects the sliding mass to the rotor shaft and can convert the motion of the sliding mass on the guide into a rotational motion of the rotor shaft, and a second mechanism interposed between the first mechanism and the rotor shaft to provide the rotor with an one-way rotation, regardless of the direction of motion of the sliding mass. A floating apparatus may include such a device. | 2019-02-14 |
20190048845 | RIVER AND TIDAL TURBINE WITH POWER CONTROL - A river or tidal turbine for generating a minimum predetermined value of electricity from river current received at a harnessing module comprises a harnessing module, a control module and a generating module. Han's principle is that harnessed power from a river or tidal turbine must exceed a predetermined value of control power used by the turbine. Minimum power is lost in a three variable closed mechanical control system. The three variable closed mechanical system comprises a Hummingbird control assembly of first and second spur/helical gear assemblies which may be preferably mechanically simplified. The Hummingbird control, a control motor and a generator among other components may be mounted on a floating platform for delivery of constant power at constant frequency given sufficient input from a waterwheel harnessing module driven by river current flow in at least one direction. A tidal embodiment may comprise a moveable hatch for permitting the waterwheel to turn in foe same rotational direction regardless of direction of water current flow. | 2019-02-14 |
20190048846 | Hydrokinetic Turbine Having Helical Tanks - A hydrokinetic energy system for producing electricity is provided. The system represents a hydrokinetic water turbine having a tubular body and an internal turbine that resides within a central pipe of the turbine. The tubular body is helix-like in shape and slowly rotates in a body of water in response to water currents. The tubular body includes two or more tanks of internal working fluid that is fluidically isolated from the body of water. Slow rotation of the turbine wheel produces a gravitational flow of internal working fluid through the tanks within the turbine. The gravitational flow of fluid turns the internal turbine at a high speed to generate electrical power. A method of generating electrical power using a hydrokinetic water turbine is also provided. | 2019-02-14 |
20190048847 | A MULTIROTOR WIND TURBINE - A multirotor wind turbine ( | 2019-02-14 |
20190048848 | IMPROVEMENTS RELATING TO A YAW SENSOR FOR A WIND TURBINE - A yaw sensor for a wind turbine comprises a plurality of rotary switches, each configured to be coupled to a yaw drive gearbox of a wind turbine nacelle, the rotary switches each being operable to activate and deactivate respective associated electrical contacts in dependence on an amount of yaw rotation of the nacelle relative to a start position. | 2019-02-14 |
20190048849 | IMPROVEMENTS RELATING TO CONTROLLING BEARING WEAR - A method of controlling a wind turbine is described. The method comprises calculating a current wear rate for each of the main bearing of a turbine rotor and the blade bearings of rotor blades mounted on the turbine rotor, and calculating a blade pitch adjustment of the rotor blades to achieved a desired ratio between main bearing wear and blade bearing wear in dependence on the calculated current wear rates of the main bearing and the blade bearings. | 2019-02-14 |
20190048850 | ELECTRICAL PITCH CONTROL SYSTEM AND A METHOD FOR OPERATING AT LEAST ONE ROTOR BLADE AND USE OF THE SYSTEM FOR PERFORMING THE METHOD - Pitch control system ( | 2019-02-14 |
20190048851 | METHOD FOR CONTROLLING A WIND TURBINE WITH ACCESS HATCH INTERLOCKS, AND ASSOCIATED WIND TURBINE - A method for protecting personnel working in a wind turbine nacelle or hub includes monitoring a nacelle roof hatch and a hub access hatch, each hatch having a switch configured therewith. When at least one of the hatches is detected as opened, a control system detects if a rotor lock has been engaged. If the rotor lock has not been engaged, the control system triggers a rotor brake to stop rotor and drivetrain component rotational movement and actuates a first control lockout between the respective switch configured with the open hatch and the rotor brake. The control system also initiates a control lockout that prevents release of the rotor brake until the switch indicates that the open hatch has been closed and the first control lockout has been reset. | 2019-02-14 |
20190048852 | BOOST AND REGULATION GROUPS FOR WIND POWER PLANT - A method, control arrangement, and wind power plant (WPP) comprising a plurality of wind turbine generators (WTGs) are disclosed. The method includes operating, responsive to a received power demand corresponding to the WPP, a boost group of one or more WTGs of the plurality of WTGs to begin producing a boosted power output, wherein the boosted power output of each of the one or more WTGs of the boost group is regulated independent of the power demand. The method further includes determining, based on a measured amount of boosted power production, power production set points for a regulation group of one or more different WTGs of the plurality of WTGs to thereby meet the power demand. | 2019-02-14 |
20190048853 | METHOD FOR DETERMINING AN EQUIVALENT WIND VELOCITY - A method for determining an equivalent wind speed of a rotor blade plane of a wind power installation is provided. The wind power installation has a rotor with rotor blades that have adjustable blade angle. The said method includes determining an electric internal power available in the wind power installation depending on a captured electric power and a captured rotational speed of the rotor. The method includes and determining the equivalent wind speed depending on the determined available internal power and the captured rotational speed. | 2019-02-14 |
20190048854 | OPTICAL CONDITION MONITORING SYSTEM FOR A WIND TURBINE GENERATOR AND METHODS OF USE THEREOF - A wind turbine condition monitoring system includes a light source configured to produce an emitted light beam and a plurality of optical sensors configured to be positioned on a wind turbine to receive the emitted light beam from the light source. The optical sensors are configured to generate one or more product light beams from the emitted light beam. A detector is positioned to receive the product light beams generated from the optical sensors and is configured to measure intensity values of the product light beams for the optical sensors. A computing device is coupled to the detector and includes a processor and a memory coupled to the processor. The processor executes programmed instructions stored in the memory to determine, based on the intensity values for the product light beams for the optical sensors, at least a displacement value, a current value, and a voltage value for the wind turbine. | 2019-02-14 |
20190048855 | DAMPING DEVICE FOR ONSHORE AND OFFSHORE WIND TURBINES - A damping device for a wind turbine tower is disclosed having at least one upper mount extending from a tower structure, at least one lower mount extending from one of the tower structure or a tower foundation, at least one damping device extending only in a substantially vertical direction, the damping device having an upper connector coupled with the upper mount and a lower connector coupled with the lower mount, and at least one damper coupled between the upper connector and the lower connector. | 2019-02-14 |
20190048856 | Energy Storage Apparatus - The present invention relates to an energy storage apparatus ( | 2019-02-14 |
20190048857 | APPARATUS FOR GENERATING PROPULSIVE FORCE WITHOUT USING REACTION OF SUBSTANCE - [Problem to be Solved] A propulsive force is generated without using reaction of a substance, eliminating the need for a portion exposed to an external environment. | 2019-02-14 |
20190048858 | FLOORING SYSTEM - The present invention relates to a flooring system for generating electricity from users as they walk. A flooring system ( | 2019-02-14 |
20190048859 | SOLAR ENERGY POWER GENERATION SYSTEM - Disclosed is a solar energy power generation system capable of effectively collecting solar energy resulting in high electricity generation efficiency. The solar energy power generation system includes a solar energy collector configured to collect solar heat and to convert an energy absorption medium into a gaseous state, a steam turbine configured to generate kinetic energy using the energy absorption medium in the gaseous state generated in the solar energy collector, a generator configured to convert the kinetic energy generated in the steam turbine into electric energy, a condenser configured to cool the energy absorption medium in the gaseous state discharged from the steam turbine into a liquid state, and a circulation pump configured to pump the energy absorption medium in the liquid state cooled by the condenser toward the solar energy collector. The solar energy collector includes a solar energy collection pipe having an absorption medium flow path for allowing the energy absorption medium to flow therethrough, and at least one lens configured to concentrate solar energy on the solar energy collection pipe. | 2019-02-14 |
20190048860 | COOPERATIVE SHAPE MEMORY ALLOY TORQUE TUBES FOR CONTINUOUS-ACTION TURNING MOTOR - An engine turning “clock work” motor including two shape memory alloy (SMA) torque tube actuators, ratcheting mechanisms, and gearing. The gearing communicates the SMA torque tube actuators with a common gear that applies torque to a shaft, so that while one torque tube is heated and applying torque, the other torque tube is relaxed (using a cooling mechanism). The ratchet prevents the relaxing torque tube from applying torque in the incorrect direction. | 2019-02-14 |
20190048861 | Hydrostatic Axial Piston Machine - A hydrostatic axial piston machine includes a housing and a pivot cradle. At least one slide bearing of the pivot cradle on a high-pressure side is hydrostatically relieved. The slide bearing includes one or two pairs of relief grooves. A relief pressure field develops about and between the one or two pairs of relief grooves as the grooves are supplied with relief pressure medium on one side and are closed at their outer ends. An optional slide bearing on a low-pressure side has one or two limiting grooves which delimit the relief pressure field there, as the limiting grooves are open at their outer ends. | 2019-02-14 |
20190048862 | PISTON PUMP FOR BRAKE SYSTEM - Disclosed is a piston pump for a brake system installed in a bore of a modulator block communicating with an inlet port and a discharge port, wherein the piston pump includes: a cylinder unit provided to reciprocate within the bore; a piston unit having one end fixed and the other end dividing the inside of the cylinder unit into a first chamber and a second chamber and configured to expand or reduce the internal spaces of the first chamber and the second chamber by reciprocating movement of the cylinder unit; a first inlet valve installed in the cylinder unit to open and close an one-way flow of fluid from the inlet port to the first chamber; a second inlet valve installed in the cylinder unit to open and close an one-way flow of fluid from the inlet port to the second chamber; and an outlet valve to open and close an one-way flow of fluid from the first chamber or the second chamber to the discharge port. | 2019-02-14 |
20190048863 | PUSH-PULL COMPRESSOR HAVING ULTRA-HIGH EFFICIENCY FOR CRYOCOOLERS OR OTHER SYSTEMS - A method includes generating a first varying electromagnetic field using a first voice coil of a first actuator. The method also includes repeatedly attracting and repelling a first magnet of the first actuator based on the first varying electromagnetic field. The first voice coil is connected to a first piston of a compressor, and the first magnet is connected to an opposing second piston of the compressor. Attracting the first magnet narrows a space between the pistons, and repelling the first magnet enlarges the space between the pistons. The method may further include generating a second varying electromagnetic field using a second voice coil of a second actuator and repeatedly attracting and repelling a second magnet of the second actuator based on the second varying electromagnetic field. The second voice coil may be connected to the second piston, and the second magnet may be connected to the first piston. | 2019-02-14 |
20190048864 | HYDRAULIC SYSTEM, SMART POWER UNIT AND OPERATION METHOD OF THE SYSTEM - A hydraulic system with a hydraulic power pack is disclosed having a hydraulic pump, an electric motor arranged to drive the hydraulic pump, and one or more valves connected to the hydraulic pump and arranged to directly manage, by way of direct connections and respective actuators. The hydraulic system also has a hydraulic process computer arranged to control the one or more actuators by way of the valves. An operation method of the system is also disclosed. | 2019-02-14 |
20190048865 | PISTON COMPRESSOR WITH ENLARGED REGULATING REGION - A piston compressor includes at least one cylinder for compressing air with a piston arranged such that it can move therein in a compression chamber arranged above the piston in the cylinder. The compression chamber is connected to an inlet arrangement for air to be compressed and to an outlet arrangement for compressed air, the piston compressor being drivable by a first drive device. The inlet arrangement includes a pre-compression device that can be driven by a second drive device with variable power and is used to increase the suction pressure at the air inlet. | 2019-02-14 |
20190048866 | PUMP ARRANGEMENT - A pump arrangement having a unit which comprises a material with a magnetocaloric action, an arrangement of conduits which are in the region of the unit and through which a liquid or gaseous heat-conduction medium flows and a pump system operating according to travelling-wave principles. | 2019-02-14 |
20190048867 | HYDRAULIC CONTROL DEVICE - In a control unit of a hydraulic control device, when supply is switched to supply of first oil from a first pump to a continuously variable transmission mechanism through a check valve, a motor controller decreases a rotation number of a motor or stops the motor. The motor controller starts the motor only in a circumstance where an influence of an overshoot on a pressure (line pressure, pulley pressure) of oil that is supplied to the continuously variable transmission mechanism is small. | 2019-02-14 |
20190048868 | HYDRAULIC CONTROL DEVICE - In a control unit of a hydraulic control device, a vehicle state grasping unit grasps a vehicle state of a vehicle, and an output determination unit determines whether an operation point depending on the vehicle state that is decided by an operation point decision unit is over a discharging capability limit line. A pump controller stops a second pump or decreases a rotation number if the output determination unit determines that the operation point is over the discharging capability limit line. | 2019-02-14 |
20190048869 | FLUID-WORKING MACHINE AND OPERATING METHOD - A fluid-working machine has a plurality of working chambers, e.g., cylinders, of cyclically changing volume, a high-pressure fluid manifold and a low-pressure fluid manifold, at least one valve linking each working chamber to each manifold, and electronic sequencing means for operating said valves in timed relationship with the changing volume of each chamber, wherein the electronic sequencing means is arranged to operate the valves of each chamber in one of an idling mode, a partial mode in which only part of the usable volume of the chamber is used, and a full mode in which all of the usable volume of the chamber is used, and the electronic sequencing means is arranged to select the mode of each chamber on successive cycles so as to infinitely vary the time averaged effective flow rate of fluid through the machine. | 2019-02-14 |
20190048870 | Piston Pump, in particular as a Pressure Generator in an Electronically Slip-Controllable Vehicle Brake System - A piston pump, in particular as a pressure generator in an electronically slip-controllable vehicle brake system, includes a pump cylinder, a drivable piston, a pump working chamber, a valve space, and a valve. The drivable piston is slidably accommodated in the pump cylinder. The pump working chamber is bounded by the piston and the pump cylinder. The valve controls a supply of pressure medium to the pump working chamber. The valve has a conical valve seat and a closing element having a domed shell section that interacts with the valve seat. The valve seat surrounds the valve space, into which the closing element plunges, at least up to an imaginary center point of the domed shell section, when the valve seat is closed or open. | 2019-02-14 |
20190048871 | PUMP ASSEMBLY - A pump assembly comprising a housing, a support frame that can be attached to the housing, and a rotor that can rotate within the housing. The housing consists of resilient material and comprises an interior surface, an inlet portion including an inlet for fluid, an outlet portion including an outlet for the fluid, and a diaphragm portion. A housing-engaging surface area of the rotor will form a sealing interference contact with the interior surface, and a chamber-forming surface area of the rotor disposed radially inward from the housing-engaging surface area will form a chamber with the interior surface. When the rotor rotates within the housing as in use, the chamber can convey fluid from the inlet portion to the outlet portion. The diaphragm portion will bear against the chamber-forming surface as the chamber-forming surface travels from the outlet to the inlet, to prevent fluid passing from the outlet to the inlet and to expel the fluid from the chamber through the outlet portion. The support frame will be attached to spaced-apart portions of the housing, and will be sufficiently stiff to counter-balance the torque applied to the housing by the rotor. | 2019-02-14 |
20190048872 | PISTON FOR A ROTARY PISTON PUMP - The invention relates to a rotary piston pump comprising a housing with a housing interior, an inlet opening, and an outlet opening; a first rotary piston which is mounted within the housing interior in a rotational manner about a first rotational axis; and a second rotary piston which is mounted within the housing interior in a rotational manner about a second rotational axis. The first rotary piston and the second rotary piston engage into each other in a region between the first and the second axis and displace liquid. The first rotary piston has a frame assembly which comprises multiple mutually spaced plates and is at least partly filled and enveloped with a polymer material. | 2019-02-14 |
20190048873 | SINGLE-STAGE COMPRESSOR AND ENERGY SYSTEM USING THE SAME - A single-stage compressor including one compressing unit, includes: a housing having a compressing chamber formed therein and including a suction port, which is located in one side of the compressing chamber and into which a working fluid enters, and an injection port, which is located on the compressing chamber to be spaced apart from the suction port by a predetermined distance and into which an intermediate-pressure working fluid is injected; and an intermediate-pressure valve installed on an intermediate-pressure fluid flow path on which the intermediate-pressure working fluid moves and configured to control supply of the intermediate-pressure working fluid so that the intermediate-pressure working fluid is supplied to the injection port in response to an intermediate pressure of the compressing chamber. In the injection-type compressor having a single chamber, a working fluid is injected at an intermediate pressure (not in the proximity of a suction pressure) so that efficiency and capability of the injection-type compressor having a single chamber can be improved. The injection-type compressor having a single chamber has a simple structure and is easily manufactured so that a pressure of an injection port and a corresponding intermediate pressure can be selectively set in various ways. | 2019-02-14 |
20190048874 | SCROLL COMPRESSOR - A scroll compressor according to the present disclosure includes a partition wall that divides a sealed vessel into a high-pressure space and a low-pressure space, a non-orbiting scroll provided in the low-pressure space, an orbiting scroll that forms a compression chamber between the orbiting scroll and the non-orbiting scroll, and a rotational shaft. The scroll compressor further includes a main bearing that supports the orbiting scroll, an elastic body that biases one of the non-orbiting scroll and the orbiting scroll so as to separate the non-orbiting scroll and the orbiting scroll from each other, and a plurality of columnar members that are fixed at one ends of the columnar members and are movable at the other ends of the columnar members, and are disposed in a circumferential direction. The non-orbiting scroll or the orbiting scroll that is biased by the elastic body is movable between the partition wall and the main bearing in an axial direction of the rotational shaft. The elastic body is disposed between the plurality of columnar members in the circumferential direction. | 2019-02-14 |
20190048875 | THERMALLY CONTROLLED UTILITY PUMP AND METHODS RELATING TO SAME - A multi-outlet fluid pump includes a housing, a motorized pump, an electrical power supply, and a self-locking thermal cutoff. In one form, the pump includes a first or primary thermal cutoff and a second or secondary thermal cutoff to prevent the pump from operating once a thermal cutoff has deactivated the pump until a user or operator has taken some affirmative action. Related methods are also disclosed herein. In some forms an indicator is provided to indicate if the thermal cutoff has disabled the pump to alert a user as to the need to unplug or reset the pump before operating the pump again. | 2019-02-14 |
20190048876 | CENTRIFUGAL COMPRESSOR FOR A TURBOCHARGER, HAVING SYNERGISTIC PORTED SHROUD AND INLET-ADJUSTMENT MECHANISM - A centrifugal compressor for a turbocharger includes an inlet-adjustment mechanism in an air inlet for the compressor, operable to move between a closed position, an open position, and a super-open position. The compressor also includes a ported shroud system. The inlet-adjustment mechanism includes a plurality of blades disposed about the air inlet and movable radially inwardly and outwardly for defining the various positions. In the closed position, the effective diameter of air inlet is reduced and the blades block flow through the ported shroud system. In the open position, the blades still block the ported shroud but the effective inlet diameter is increased relative to the closed position. In the super-open position, the blades unblock the ported shroud so that an additional amount of flow can pass through the ported shroud, thereby shifting the compressor's choke flow line to higher flow rates. | 2019-02-14 |
20190048877 | ROTARY MACHINE - A centrifugal compressor according to the present invention includes, as gas flow paths, diffuser flow paths into which process gas flowing from impellers to outside in a radial direction flows, curved flow paths that respectively communicate with the diffuser flow paths and change a flowing direction of the process gas from a direction toward the outside in the radial direction to a direction toward inside in the radial direction, and return flow paths that respectively communicate with the curved flow paths and cause the process gas flowing through the curved flow paths to flow into the impellers. In the present invention, the curved flow path configuring at least one of the gas flow paths is provided between a diaphragm and a flow path forming body that is provided between the diaphragm and the casing. | 2019-02-14 |
20190048878 | COMPRESSOR IMPELLER AND TURBOCHARGER - A centrifugal compressor impeller is configured such that the compressor impeller is accommodated within a housing and is rotated in a predetermined rotational direction relative to the housing to compress fluid which flows in the axial direction and deliver the fluid to the outside in the radial direction. The compressor impeller is provided with: a hub extending in the axial direction; and a plurality of blades extending from the hub toward the outside in the radial direction and arranged side by side in the rotational direction. At least one of the plurality of blades is provided with a corner formed by both a leading edge extending from the hub toward the outside in the radial direction, and a shroud line connected to the leading edge. The corner has a through-section extending between the front and rear sides of the blade. | 2019-02-14 |
20190048879 | CROSS FLOW BLOWER - Embodiments relate generally to a cross flow blower ( | 2019-02-14 |
20190048880 | COMPRESSOR ROTOR BLADE, COMPRESSOR, AND METHOD FOR PROFILING THE COMPRESSOR ROTOR BLADE - A compressor rotor blade for an axial-type compressor has a blade profile having a transonic section and a profile section which extends in the transonic section and has concave and convex suction-side regions on the suction side, the convex suction-side region arranged downstream of the concave suction-side region, and has convex and concave pressure-side regions on the pressure side, the concave pressure-side region arranged downstream of the convex pressure-side region. Curvature progressions on the pressure side and on the suction side are both applied in a continuous manner over a profile chord of the profile section, the positions of the minimum values of the curvature progressions deviate from each other by not more than 10% of the length of the profile chord, and the positions of the maximum values of the curvature progressions deviate from each other by not more than 10% of the length of the profile chord. | 2019-02-14 |
20190048881 | FAN MOTOR - The present invention provides a fan motor which includes a housing, a stator disposed inside the housing, a rotor disposed inside the stator, a blade coupled to the rotor, and a printed circuit board disposed under the blade, wherein the printed circuit board includes a first mounting portion positioned inside a radius of the blade and a second mounting portion positioned outside the radius of the blade, and in which a component having a large height is mounted on the second mounting portion. Therefore, an advantageous effect that a component having a large height may be mounted within a limited design height. | 2019-02-14 |
20190048882 | SMART FAN AND METHOD FOR CONTROLLING THE SAME - A method for controlling rotational speed applied to a smart fan includes acquiring environmental temperature from a temperature sensor and radiation intensity of human body from an infrared sensor. A result of analysis is generated by determining whether the acquired environmental temperature is within a predetermined temperature range and the acquired radiation intensity is greater than a predetermined value. A working status of the smart fan can be changed according to the result when the smart fan is in automatic mode. | 2019-02-14 |
20190048883 | PIVOTING ASSEMBLY - A pivoting assembly includes a base, a bearing, and a rotating shaft. The bearing is disposed on the base and includes a first ring wall. The rotating shaft is sheathed in the first ring wall and rotatably disposed on the first ring wall. In this way, a larger superficial area is provided to generate an effective oil pressure acting force. | 2019-02-14 |
20190048884 | MAGNETIC BEARING FOR A TURBOMACHINE - A magnetic bearing for a turbomachine includes a stator fixable to a structure of a turbomachine; a rotor magnetically coupled to the stator and defining a rotation axis, the rotor having a front central surface, a rear central surface opposite to the front central surface and an external surface with respect to the rotation axis; the rotor is provided with an internal channel configured to displace cooling fluid. | 2019-02-14 |
20190048885 | CENTRIFUGAL PUMP - A centrifugal pump ( | 2019-02-14 |
20190048886 | ANTI-GAS LOCK ELECTRIC SUBMERSIBLE PUMP - An electric submersible pump including a housing having a longitudinal axis extending therethrough; and a plurality of stages disposed within the housing each stage having an impeller and a diffuser, the plurality of stages stackable one upon the other along the longitudinal axis of the housing, wherein one or more of the plurality of stages is a standard flow stage, wherein one or more of the plurality of stages is an anti-gas lock flow stage, and wherein the anti-gas lock flow stages are modified relative the standard flow stages to have decreased incidence of trapped gas. | 2019-02-14 |
20190048887 | FAN DISC APPARATUS - A fan disc apparatus for a gas turbine engine comprises a fan disc; a first drive arm for connecting the fan disc to a fan drive shaft of the gas turbine engine; and a second drive arm for connecting the fan disc to the fan drive shaft. | 2019-02-14 |
20190048888 | HUB FOR PROPELLER HAVING VARIABLE-PITCH BLADES, WITH RADIAL AND AXIAL DIMENSIONING VARIATION - A hub for a propeller having variable-pitch blades for a turbomachine with longitudinal rotation axis, including a plurality of blade platforms, each one being designed to receive a blade root, the platforms being distributed around the annular outer periphery of the hub concentrically with the longitudinal rotation axis, wherein each blade platform has the general geometric shape of a spherical cap, and wherein, between two adjacent blade platforms around the longitudinal rotation axis, the transverse dimension, in particular the diameter, of the hub can vary axially and radially. | 2019-02-14 |
20190048889 | ROTATING AIRFOIL WITH TIP POCKET - A fan blade for a gas turbine engine according to an example of the present disclosure includes, among other things, an airfoil section that has a pressure sidewall and a suction sidewall that meet together at both a leading edge and a trailing edge, and extends radially between a root portion and a tip portion. A tip pocket is defined by collapsible external walls of the tip portion, and has a pocket opening at a radially outer face of the tip portion. | 2019-02-14 |
20190048890 | AXIAL-FLOW FAN AND OUTDOOR UNIT - An axial-flow fan includes an impeller including plural blades fixed to an outer peripheral portion of the hub and each surrounded by an inner peripheral edge, an outer peripheral edge, a leading edge, and a trailing edge. The leading edge is forward-curved in a rotational direction with an angle increasing to outer periphery of the impeller and runs toward an outer periphery up to point A, the trailing edge is forward-curved in the rotational direction and runs toward the outer periphery up to point D, recedes in the rotational direction of the impeller as the trailing edge runs toward the outer periphery up to point A′ located closer to the outer periphery than point D is to the outer periphery, advances in the rotational direction of the impeller in a region between point A′ and point B′, and reflexed at point D and point A′. | 2019-02-14 |
20190048891 | CENTRIFUGAL COMPRESSOR WITH LEAKAGE-FREE DIFFUSER BLADES AND METHOD OF ASSEMBLING A CENTRIFUGAL COMPRESSOR - A centrifugal compressor includes a rotor with a plurality of impellers and a stator with at least a first diaphragm, a second diaphragm, a diffuser, and a plurality of diffuser blades inside the diffuser; each diffuser blade has a tip portion, a base portion and an airfoil portion; and are located between the downstream portion of the first diaphragm and the upstream portion of the second diaphragm; the base portion of the diffuser blades is integrated in or mounted to the upstream portion of the second diaphragm, and the tip portion of the diffuser blades abuts against the downstream portion of the first diaphragm; alternatively, the base portion of the diffuser blades is integrated in or mounted to the downstream portion of the first diaphragm, and the tip portion of the diffuser blades abuts against the upstream portion of the second diaphragm. | 2019-02-14 |
20190048892 | BRIDGE BRACKET FOR VARIABLE-PITCH VANE SYSTEM - A variable-pitch vane system for a gas turbine engine includes a plurality of vanes and a synchronization ring assembly operably connected to the plurality of vanes. The synchronization ring assembly includes a first synchronization ring, a second synchronization ring and a bridge bracket connecting the first synchronization ring to the second synchronization ring. The bridge bracket includes a first face sheet, a second face sheet, a honeycomb core located between the first face sheet and the second face sheet, a first attachment feature located at a first end of the bridge bracket at which the first synchronization ring is secured, and a second attachment feature located at a second end of the bridge bracket at which the second synchronization ring is secured. | 2019-02-14 |
20190048893 | TURBO COMPRESSOR INCLUDING INTERCOOLER - Provided is a turbo compressor for compressing a gas such as air and supplying the compressed gas to outside, the turbo compressor including a compression gas inlet for sucking the gas, a first impeller, a second impeller, a compression gas outlet for discharging to outside, a compression unit including compression gas channels connected from the compression gas inlet to the compression gas outlet, a motor to rotate the first and second impellers, and including a rotary shaft, a housing including a motor accommodation space, and an intercooler including air-cooling channels provided on the compression gas channels located between the first and second impellers, wherein the air-cooling channels penetrate through and are hidden in the housing. According to the present invention, the turbo compressor's size may be reduced by integration of the intercooler and the housing, and damage of the intercooler due to external impact may be prevented. | 2019-02-14 |
20190048894 | Fan Design with an Impact Absorbing Structure - The present invention is related to an improved fan design with an impact absorbing structure. According to an exemplary preferred embodiment, the improved fan design of the present invention preferably includes a lower fan assembly connected to an upper fan assembly using a mounting bracket. According to a further aspect of the present invention, the lower fan assembly preferably may include a fan base having multiple supporting legs which are preferably rotatably connected to the lower fan assembly. According to a further aspect of the present invention, the upper fan assembly of the present invention may include a fan motor and fan blades enclosed within a protective structure. According to a further preferred embodiment, the protective structure of the present invention may preferably include an outer fan cover, a fan grille, an external cage and a perimeter shock absorbing ring extending around the circumference of the outer fan cover. According to a further aspect of the present invention, the perimeter shock absorbing ring may include an inner surface, an inner absorption layer and an outer surface. According to a further aspect of the present invention, the inner absorption layer may preferably include one or more flexible ribs. | 2019-02-14 |
20190048895 | CENTRIFUGAL COMPRESSOR WITHOUT EXTERNAL DRAINAGE SYSTEM, MOTORCOMPRESSOR AND METHOD OF AVOIDING EXTERNAL DRAINAGE IN A COMPRESSOR - A compressor has a lower inlet with an intake plenum and an upper outlet with a discharge scroll; the compressor includes a plurality of drainage pipes ending at the intake plenum. | 2019-02-14 |
20190048896 | HYDRAULIC COMPONENT, COMBINATION MADE FROM HYDRAULIC COMPONENTS, AND HYDRAULIC SYSTEM COMPRISING AT LEAST ONE SUCH HYDRAULIC COMPONENT OR COMBINATION - A hydraulic component includes a piston and a cylinder with a piston receiving space in which the piston is displaceably arranged while defining a chamber, via which a pressure may be applied to a first end face of the piston, from a control chamber, via which pressure may be applied to a second end face of the piston which faces away from the first end face. A first hydraulic line and a second hydraulic line open into the chamber and a control line, which branches off from the first hydraulic line, opens into the control chamber. Due to the respective pressure ratio between the pressure in the chamber and the control chamber, the piston is displaceable from a closed position, in which the first and second hydraulic lines are fluidly decoupled, into an open position, in which the first and second hydraulic lines are fluidly connected, and vice versa. | 2019-02-14 |
20190048897 | ACCUMULATOR DEVICE AND HYDROPNEUMATIC SUSPENSION - The invention relates to an accumulator device ( | 2019-02-14 |
20190048898 | HYDRAULIC CONTROL DEVICE - In a control unit of a hydraulic control device, a workload calculation unit calculates the amount of workload cut in a first pump when supply of first oil from the first pump to a continuously variable transmission mechanism through a check valve is switched to supply of second oil from a second pump to the continuously variable transmission mechanism. A workload determination unit determines whether the amount of workload loss of an ACG is more than the amount of workload cut. A motor controller stops a motor or decreases a rotation number if the workload determination unit determines that the amount of workload loss is more than the amount of workload cut. | 2019-02-14 |
20190048899 | HYDRAULIC CONTROL DEVICE - In a hydraulic control device, when it is detected that a pressure of first oil (output pressure) detected by an output pressure sensor pulsates, a transmission control unit as a TCU stops driving of a second pump or decreases a rotation number of the second pump as a first operation. Alternatively, when it is detected that the output pressure pulsates, the TCU increases the rotation number of the second pump to a rotation number (for example, maximum rotation number) that is higher than a target rotation number as a second operation. | 2019-02-14 |
20190048900 | PNEUMATIC SERVOVALVE ASSEMBLY - The present disclosure relates to a servovalve assembly comprising a pair of opposed nozzles spaced apart by a first gap. A control element positioned in the first gap (G) between the pair of opposed nozzles. Each nozzle has an outlet opening. The control element has a central control portion and two resiliently deformable end portions at opposite ends of the central control portion. The central control portion is perpendicular to a central axis (C) of each nozzle outlet opening. The control element is configured such that the two resiliently deformable end portions elastically deform when the control element is placed under tension by a force applied parallel to the central control portion, so as to move the control element in a direction parallel to the central axis (C) of each nozzle outlet opening. | 2019-02-14 |
20190048901 | REUSABLE GAS GENERATOR DRIVEN PRESSURE SUPPLY SYSTEM - An exemplary method includes using a pressure supply device (PSD) to actuate a hydraulic customer includes activating, when in the first position, a first gas generator of the multiple gas generators thereby driving the piston to the second position, pressurizing the hydraulic fluid, and discharging the pressurized hydraulic fluid to the customer; actuating the customer in response to receiving the pressurized hydraulic fluid; resetting the piston to first position by transferring a resetting hydraulic fluid into the reservoir; and exhausting gas and condensate from the gas chamber in response to resetting the piston to the first position. | 2019-02-14 |
20190048902 | LIQUID LEAKAGE DETECTION DEVICE - A liquid leakage detection device of the present invention includes a sensor unit and a determination unit. The sensor unit is configured to detect liquid between seals of a plurality of seals that are arranged aligned in an axial direction on an inner circumference of a shaft supporting member, which is an inner circumference of the shaft supporting member into which a shaft is movably inserted, to seal an outer circumference of the shaft. The determination unit is configured to determine whether or not liquid leaks, through detection of liquid by the sensor unit. | 2019-02-14 |
20190048903 | USE OF TREATING ELEMENTS TO FACILITATE FLOW IN VESSELS - A method for facilitating the distribution of the flow of one or more streams within a bed vessel is provided. Disposed within the bed vessel are internal materials and structures including multiple operating zones. One type of operating zone can be a processing zone composed of one or more beds of solid processing material. Another type of operating zone can be a treating zone. Treating zones can facilitate the distribution of the one or more streams fed to processing zones. The distribution can facilitate contact between the feed streams and the processing materials contained in the processing zones. | 2019-02-14 |
20190048904 | APPARATUS AND METHOD FOR FLUID MANIPULATION - An intentional fluid manipulation apparatus (IFMA) assembly with a first thrust apparatus that imparts a first induced velocity to a local free stream flow during a nominal operation requirement. The first thrust apparatus creates a streamtube. A second thrust apparatus is located in a downstream portion of the streamtube. The second thrust apparatus imparts a second induced velocity to the local free stream flow. The second induced velocity at the location of the second thrust apparatus has a component in a direction opposite to the direction of the first induced velocity at the location of the second thrust apparatus. | 2019-02-14 |
20190048905 | MOUNT DEVICE FOR SWIMMING STARTING BLOCK - A mount device is disclosed for securing a swimming starting block to a floor. In at least one embodiment, the mount device provides an upper mount conduit engagable with the starting block and sized for at least partially extending into a receiver conduit in the floor. A lower mount conduit is positioned below the upper mount conduit and has an outer diameter or width sized for being completely positioned within the receiver conduit. An expansion bolt extends through respective substantially coaxially aligned bores of each of the upper mount conduit and the lower mount conduit, each of the bores having a diameter that is relatively larger than a diameter the bolt. Upon tightening the expansion bolt, the lower mount conduit is urged along an angled common axis toward the upper mount conduit, such that opposing long outside surfaces of the upper mount conduit and lower mount conduit are urged in opposite, substantially horizontal directions, creating a frictional engagement within the receiver conduit. | 2019-02-14 |
20190048906 | BRACING CLAMP FOR BEAMS - A clamping assembly for communication with beam members is provided. Clamping assemblies of the present disclosure are useful for attaching to various beams including, but not limited to, concrete I-beams. The clamping assemblies are useful for supporting a beam prior to complete installation of the beam in its intended location. Risk associated with beam movement, tipping and falling is mitigated by embodiments of the present disclosure. | 2019-02-14 |
20190048907 | CLIP - A clip may have a clip main body that is configured to be coupled to a coupling rib of an attachment base formed in an attaching article and to be inserted into an attaching hole formed in an object member. The clip main body may include a head portion, a pair of engagement legs continuous with the head portion and elastically deformable inward and outward about the head portion, and a pair of retainer members continuous with the head portion and respectively configured to engage the coupling rib of the attachment base. The engagement legs respectively have first bent portions, second bent portions, and engagement portions positioned between the first and second bent portions and configured to engage an inner peripheral edge of the attaching hole. The engagement legs respectively have space-limiting portions that are respectively formed in inner surfaces thereof along the second bent portions thereof | 2019-02-14 |