53rd week of 2015 patent applcation highlights part 32 |
Patent application number | Title | Published |
20150377005 | FRACTURING AND REACTIVATED FRACTURE VOLUMES - A method can include receiving mechanical information of a geologic environment and location information of natural fractures of the geologic environment; using a model of the geologic environment, calculating at least strain associated with hydraulic fracturing in the geologic environment; calculating at least microseismicity event locations based at least in part on the calculated strain; calibrating the model based at least in part on the calculated microseismicity event locations and based at least in part on measured microseismicity information associated with the geologic environment to provide a calibrated model; and, using the calibrated model, determining an increase in reactivated fracture volume associated with hydraulic fracturing in the geologic environment. | 2015-12-31 |
20150377006 | STRESS CALCULATIONS FOR SUCKER ROD PUMPING SYSTEMS - Techniques and apparatus are provided for stress calculations for sucker rod pumping systems. A method is provided for determining stress along a sucker rod string disposed in a wellbore. The method generally includes receiving, at a processor, measured rod displacement and rod load data for the sucker rod string, wherein the sucker rod string comprises a plurality of sections; and calculating stress values at a plurality of finite difference nodes for at least one of the plurality of sections based, at least in part, on the measured rod displacement and rod load data. | 2015-12-31 |
20150377007 | Desiccant Box and Downhole Assembly Comprising A Desiccant Box - The disclosure is about a desiccant box comprising at least one wall defining an inside compartment containing a desiccant material. The box is designed so that: | 2015-12-31 |
20150377008 | Assembly for Measuring Temperature of Materials Flowing Through Tubing in a Well System - An assembly for measuring a temperature of a fluid flowing through a tubing section is provided. The assembly can include the tubing section and a temperature measurement component in thermal communication with an inner diameter of the tubing section. A temperature of a fluid flowing through the tubing section can be detected using the temperature measurement component. | 2015-12-31 |
20150377009 | Sensor Activated Downhole Tool Location - A gravel pack tool for interfacing with a gravel pack completion assembly includes a mandrel disposed to fit into a gravel pack completion assembly, the mandrel carrying a sensing mechanism disposed to detect a unique sensing feature positioned at known location within the gravel pack completion assembly. The downhole tool further includes a locating mechanism carried by the mandrel, the locating mechanism disposed to mechanically engage a locating feature within the gravel pack assembly in order to locate the tool relative thereto. The tool includes processing system to activate the locating mechanism in response to detection of a sensing feature by the sensing mechanism. | 2015-12-31 |
20150377010 | USE OF LONG CHAIN AMINES AND DIFUNCTIONAL COMPOUNDS AS TRACERS - Non-halogenated molecules including, but are not necessarily limited, to alkyl and aromatic amines having from 8 to 18 carbon atoms and salts of these amines, diols having the formula HO—(CH | 2015-12-31 |
20150377011 | TRACERS FOR FORMATION ANALYSIS - Disclosed herein methods for determining a property of a formation, for example, when well logging, by feeding a gadolinium tracer fluid into the formation, applying an emitted radiation to the formation to thereby produce a signal, such as a neutron signal, and capturing the signal from the formation. | 2015-12-31 |
20150377012 | Anomaly Recognition System And Methodology - A technique facilitates anomaly recognition and tracking in a variety of components, such as tubular components. The technique comprises sensing for anomalies in the component, and storing detected anomalies in a storage medium. The detected anomalies are matched with stored digital descriptions of anomalies. The stored digital descriptions may comprise anomalies of similar types and/or anomalies detected on the specific component being tested. The detected anomalies are ranked according to similarities with respect to the stored digital descriptions. | 2015-12-31 |
20150377013 | Piping Assembly with Probes Utilizing Addressed Datagrams - A control system with probes for generating and utilizing at least one or more addressed datagrams that communicate information to and from devices along piping assemblies comprising; one or more transmitters, one or more receivers, and one or more controllers, wherein the transmitters transmit information via one or more addressed datagrams encoded within a working medium to one or more receivers among the piping assemblies, is described. Transmitters convert datagrams into signals that are transmitted within the working medium and the receivers receive signals from the transmitters and also convert signals from the working medium which is converted back into datagrams. The controllers receive and decode the datagrams so that the controllers selectively communicate and perform logical operations on piping assembly devices according to directions received from the addressed datagrams. The entire control system can function as a network of controllers, receivers, transmitters, and/or transponders as required by one or more users. | 2015-12-31 |
20150377014 | FLUID PRESSURE PULSE GENERATOR FOR A DOWNHOLE TELEMETRY TOOL - A fluid pressure pulse generator comprises a stator having a body and cylindrical bore and a rotor having a cylindrical body and cap. The diameter of the cylindrical body is smaller than that of the stator central bore such that an annular gap is formed therebetween. The cap has a base with a diameter larger than that of the rotor body, forming a protruding lip that covers at least a portion of the annular gap. The stator body and rotor body collectively have at least one fluid flow chamber comprising a lateral opening and an uphole axial inlet, and a downhole axial outlet and at least one fluid diverter comprising a lateral opening in fluid communication with the axial outlet. The rotor can rotate within the stator such that the fluid diverter moves in and out of fluid communication with the fluid flow chamber to create fluid pressure pulses. | 2015-12-31 |
20150377015 | FLUID PRESSURE PULSE GENERATOR FOR A DOWNHOLE TELEMETRY TOOL - A fluid pressure pulse generator comprises a stator with a body and cylindrical bore and a generally cylindrical rotor having uphole and downhole ends with different diameters to form an annular fluid barrier at the intersection of the two ends. An annular gap is formed between the rotor uphole end and stator body. The stator body and rotor body collectively have a fluid flow chamber comprising a lateral opening and an uphole axial inlet, and a downhole axial outlet and fluid diverter comprising a lateral opening in fluid communication with the axial outlet. The annular fluid barrier is in fluid communication with the fluid flow chamber or the fluid diverter. The rotor can be rotated such that the fluid diverter is movable in and out of fluid communication with the fluid flow chamber to create fluid pressure pulses. | 2015-12-31 |
20150377016 | WIRELESS POWER TRANSMISSION TO DOWNHOLE WELL EQUIPMENT - Wireless power transmission to downhole well installations is provided using acoustic guided Lamb waves and a tubular conduit (production tubing, casing) as the power transmission medium. A phased array of acoustic transmitters is present at the transmitting end (surface) and an array of acoustic receivers at the receiving end (downhole). Both transmitter and receiver arrays are coupled to the tubular conduit. Beamforming techniques are used along with power amplifiers to generate directional, high power and low frequency acoustic guided Lamb waves along the wellbore to transmit power over long distances. A downhole multi-channel acoustic energy collecting system receives the transmitted acoustic signal, and generates electrical power and stores the power in downhole electrical power storage. This power is used to operate downhole well equipment including sensing, control and telemetry devices. | 2015-12-31 |
20150377017 | ACOUSTIC TRANSMITTER FOR TRANSMITTING A SIGNAL THROUGH A DOWNHOLE MEDIUM - An acoustic transmitter for transmitting an acoustic signal through a downhole medium includes a voltage source; a composite load; and switching circuitry that applies voltage from the voltage source across the composite load in response to a drive signal. The composite load includes charge control circuitry, in the form of at least one inductor, connected electrically in series with a piezoelectric transducer that may be electrically modeled as a capacitor. | 2015-12-31 |
20150377018 | FLUID PRESSURE PULSE GENERATOR FOR A DOWNHOLE TELEMETRY TOOL - A fluid pressure pulse generator comprises a stator having a body with a cylindrical bore and a fluid flow chamber comprising a lateral opening and an uphole axial inlet, and a rotor having a cylindrical body rotatably seated within the bore, a rotor head connected to the rotor body, and a fluid diverter comprising a fluid passage through the rotor body and a nozzle in the rotor head. A fluid passage has an opening on an outside surface of the rotor body and an outlet at an end of the rotor body. The nozzle has an inlet end communicable with a drilling fluid and an outlet end in fluid communication with the fluid opening. The flow area of the nozzle increases from the inlet to outlet end such that the velocity of the drilling fluid slows while from inlet to outlet end. | 2015-12-31 |
20150377019 | In-Situ Geomechanical Testing - A method of testing mechanical properties of an earth formation can include disposing a probe in a wellbore, impacting the probe against a wall of the wellbore, and measuring a parameter related to at least one of a displacement, displacement rate, strain, and strain rate, of at least one of the probe and the formation. Another method can include disposing a probe and a known material in a wellbore, and after the disposing, penetrating the known material with the probe. Another method can include disposing a probe in a wellbore, measuring a displacement of the probe into a wall of the wellbore while measuring a load applied to the probe, and applying fluid pressure to the formation via the probe. | 2015-12-31 |
20150377020 | BEACH DETECTION SENSORS FOR VIBRATORY SEPARATOR - An apparatus including a screen capable of separating solids from a liquid-solid mixture and a first probe disposed beneath the screen. The first probe is provided to determine a position of a beach between the liquid-solid mixture and separated solids. The apparatus may measure a property of a local volume of a probe disposed beneath a first separator deck. The probe may then send a first signal to database. Based on the signal a location of a beach may be determined. | 2015-12-31 |
20150377021 | Reservoir Effluent Auto Sampler & Detection System for Tracers - Methods and devices for sampling tracers may include providing tracers into a wellbore, taking samples of the fluids exiting the wellbore, and quantifying an amount of tracer returning from the well, wherein the samples are automatically taken based on a predetermined profile. | 2015-12-31 |
20150377022 | USE OF LONG CHAIN ALCOHOLS, KETONES AND ORGANIC ACIDS AS TRACERS - Non-halogenated molecules having from 10 to 30 carbon atoms selected from the group consisting of aliphatic, aromatic, saturated, unsaturated (and combinations thereof) alcohols, ketones, organic acids, organic acid salts, sulfonated derivatives of these compounds, and combinations thereof are used as tracers to measure oil and/or water fluid returns, such as from a hydraulic fracturing job. The non-halogenated molecules may be absorbed onto and/or adsorbed onto substrates and introduced into a subterranean location, desorbed and recovered from the subterranean location with a fluid, reacted with a reagent (e.g. pentafluoro benzyl chloride, and the like) to give a derivatized tracer. The presence of the derivatized tracer is then detected in at least a portion of the recovered fluid. A different non-halogenated tracer may be used for each hydraulic fracturing stage, thus, it can be determined from which fracturing stage water is produced and from which fracturing stage oil is produced, for example. | 2015-12-31 |
20150377023 | ECCENTRIC MOTOR - The eccentric motor has a motor housing with an internal cylinder space. A main shaft is concentrically aligned with a central axis of the cylindrical space. A rotary blade is rigidly fixed, and arranged radially with respect, to the main shaft. A rotor is eccentrically arranged inside the motor housing, wherein the rotational axis of the rotor is spaced at a predetermined distance of eccentricity from the central axis of the main sheath surface of the motor housing. The rotary blade and the rotor are coupled to each other through a coupling member to establish a forced mechanical connection therebetween. The coupling member is adapted to move relative to the rotary blade in a direction parallel to the longitudinal axis thereof, and also relative to the rotor in a direction perpendicular to the longitudinal axis of the rotary blade. | 2015-12-31 |
20150377024 | Oscillatory Rotary Engine - An oscillatory rotary engine comprising a toroidal housing having an intake port and an exhaust port. The housing supports an output shaft and a plurality of stacked rotors are disposed within the housing and coupled to the output shaft. Each rotor includes a plurality of pistons disposed in spaced relation to each other about a circumference of the rotor. A resilient coupler connects the rotors to the output shaft. Preferably, the coupler comprises a plurality of nested spiral cuts extending through the rotor. Each piston may include a pawl that is operative to engage ratchets located around the housing, thereby allowing rotation of each rotor in only one direction. The oscillatory rotary engine may further include a compression bypass port that is operative to relieve intake air pressure during compression, whereby the engine has a compression ratio that is less than its expansion ratio. | 2015-12-31 |
20150377025 | ROTARY PISTON ENGINE - A rotary piston engine comprising at least one rotary piston for compressing and/or expanding a working gas in at least one working chamber and a method for compressing and/or expanding a working gas in a rotary piston engine are provided. The rotary piston engine comprises at least one rotary piston with at least one rotatably mounted rotational body and at least one sealing portion that can be moved relative to the rotational body for sealing the at least one working chamber. In the method for compressing and/or expanding a working gas in a rotary piston engine, the working gas is compressed by a rotary piston in a first working chamber and transferred into a second working chamber in order to be ignited, wherein the working gas is supplied with fuel in the second working chamber and/or is further compressed. | 2015-12-31 |
20150377026 | Wheel of a Turbine, Compressor or Pump - A wheel of a rotating machine for a fluid includes blades that project on the front surface thereof. On one portion of the front surface which is at least 70% of the diametrical range that defines the blade installation area, the front surface is tangential to a cone, the tip of which is pointed forward and the vertex angle of which is between 154° and 170°. A rotating machine and a turbocompressor that includes such a wheel are described. | 2015-12-31 |
20150377027 | FAN DISC - A fan disc is provided for supporting fan blades of a gas turbine engine. The fan disc has a disc body having axially extending slots for receiving, in use, dovetail root fixings of a circumferential row of fan blades. The fan disc further has an annular drive arm which extends radially inwardly from a forward portion of the disc body to a connector for engaging, in use, with a corresponding connector portion of a drive shaft of the engine. The fan disc further has a hoop stiffening ring which is removably mounted to a rear portion of the disc body, the stiffening ring being axially spaced from the drive arm to increase the torsional stiffness of the fan disc. | 2015-12-31 |
20150377028 | COMPONENT PROCESSING - An apparatus for processing a component, e.g. a fan blade for a gas turbine engine. The apparatus includes a support frame with a rotatably mounted first support for supporting the component and a robotic arm with a rotatably mounted mounting portion for supporting a processing tool. The support frame includes at least one frame locator provided in a fixed spatial relationship with the support frame. The first support includes at least one first support locator and the apparatus further includes at least one mounting portion locator provided in a fixed spatial relationship with the mounting portion. A detector is provided for detecting the position of the at least one frame locator, the at least one first support locator and the at least one mounting portion locator such that, in use, the detector determines the relative positions and the orientations of the support frame, the first support and the mounting portion. | 2015-12-31 |
20150377029 | GAS TURBINE ENGINE COMPONENT HAVING CURVED TURBULATOR - A component for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a wall that forms a portion of an outer periphery of at least one cavity and at least one curved turbulator that extends from said wall. | 2015-12-31 |
20150377030 | Locally Extended Leading Edge Sheath for Fan Airfoil - A sheath, for protecting the leading edge of airfoils used in gas turbine engines, may have a solid member, a pressure side flank and a suction side flank. The solid member may form an outer edge, which may include a main portion and a projecting portion. The projecting portion may have a variable dimension. The pressure side flank and suction side flank may project from the solid member opposite the outer edge. The pressure side flank and suction side flank may form a receiving cavity for receiving an airfoil. | 2015-12-31 |
20150377031 | COVERS FOR CAVITIES IN AIRCRAFT FAN BLADES - Hollow fan blades for gas turbine engines are disclosed. The hollow fan blades include a body having a convex side and a concave side wherein the convex side has a cavity formed therein. The cavity is covered by two covers including an inner cover that may be adhered to the body of the fan blade assembly and an outer cover that may be adhered to the inner cover and/or the body of the fan blade assembly. The covers may be made of titanium, more than two covers may be employed and more than one cavity may be employed. | 2015-12-31 |
20150377032 | GAS TURBINE ENGINE COMPONENT WITH COMBINED MATE FACE AND PLATFORM COOLING - A component for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a platform that axially extends between a leading edge and a trailing edge, circumferentially extends between a first mate face and a second mate face, and includes a gas path surface and a non-gas path surface. The component defines at least one cavity that extends at least partially inside of the component. A first plurality of cooling holes extends from the at least one cavity to at least one of the first mate face and the second mate face and a second plurality of cooling holes extends from either the at least one cavity or the non-gas path surface to the gas path surface. | 2015-12-31 |
20150377033 | COOLING HOLE FOR A GAS TURBINE ENGINE COMPONENT - A component for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a wall having an internal surface, an outer skin and a cooling hole having an inlet extending from the internal surface and merging into a metering section, and a diffusion section downstream of the metering section that extends to an outlet located at the outer skin. At least two lobes are embedded within the diffusion section of the cooling hole. At least one surface of each of the at least two lobes is at least partially cylindrical. | 2015-12-31 |
20150377034 | GAS TURBINE ENGINE COMPONENT EXTERNAL SURFACE MICRO-CHANNEL COOLING - A gas turbine engine component that includes a structure having a surface which includes multiple cooling channels having a width of 20-30 μm and a depth of 25-50 μm. | 2015-12-31 |
20150377035 | SEGMENTED TURBINE SHROUD WITH SEALS - A turbine shroud for a gas turbine engine includes a plurality of shroud segments arranged around a central axis. Each shroud segment includes a carrier segment, a blade track segment, and a radial seal element that seals a radial interface between the carrier segment and the blade track segment. The turbine shroud further includes a plurality of circumferential seals that seal circumferential interfaces between the shroud segments. | 2015-12-31 |
20150377036 | FAN AIRFOIL SHROUDS WITH AREA RULING IN THE SHROUDS - A shrouded airfoil may have a suction surface and a pressure surface. An at least first suction surface shroud may be disposed on the suction surface and an at least first pressure surface shroud may be disposed on the pressure surface. The at least first suction surface shroud may include a first and second contoured surface and a first mating face. The first contoured surface may have a first substantially concave portion and a first substantially convex portion. The second contoured surface may have a second substantially concave portion and a second substantially convex portion. The at least first pressure surface shroud may include a third and fourth contoured surface and a second mating face. The third contoured surface may have a third substantially concave portion and a third substantially convex portion. The fourth contoured surface may have a fourth substantially concave portion and a fourth substantially convex portion. | 2015-12-31 |
20150377037 | BRAZE METHODS AND COMPONENTS FOR TURBINE BUCKETS - Braze methods for turbine buckets include providing the turbine bucket comprising a modification surface, wherein the modification surface comprises a non-z-notch contact surface, disposing a pre-sintered preform on the modification surface and, heating the pre-sintered preform on the modification surface to bond the pre-sintered preform to the turbine bucket at the modification surface. | 2015-12-31 |
20150377038 | CORE POSITIONING - A method locates and maintains a core in fixed space relationship within the interior of shell mould. The method provides at least one pin extending into the core with at least one axial end of pin protruding from the core. A wax pattern having an outer surface is formed by encasing the core and at least one protruding axial end of pin in wax such that at least one protruding axial end of the pin terminates at the outer surface of wax pattern. A shell mould is formed around the wax pattern such that, upon removal of the wax pattern, and in subsequent casting process for production of hollow metal components, at least one protruding axial end of the pin abuts the shell mould thus fixing the pin and maintaining position of the core relative to the mould. The protruding axial end of the pin has an enlarged head. | 2015-12-31 |
20150377039 | COATED GAS TURBINE ENGINE COMPONENTS - A gas turbine engine component may include a coating adapted to protect the component during use. The coating may be applied by sintering metallic particles to form a metallic matrix fused to the component. | 2015-12-31 |
20150377040 | REMOVABLE FILM FOR AIRFOIL SURFACES - A fan section to be incorporated into a gas turbine engine has a rotor and a plurality of fan blades. The fan blades deliver air into a bypass duct defined inwardly of the nacelle and into a core engine. There are static vanes inward of the nacelle. A surface of the fan section is provided with a removable film material. A gas turbine engine and a method of refurbishing a surface are also disclosed. | 2015-12-31 |
20150377041 | Lock for Retaining Minidisks with Rotors of a Gas Turbine Engine - In accordance with one aspect of the disclosure, a rotor is disclosed. The rotor may include a disk having a central axis, an airfoil radially extending from the disk, a bayonet tab extending radially from the disk, and a lock. The lock may further include a short tab and a long tab, both extending radially from the disk and in an axial direction with respect to the central axis. The long tab may have a greater axial length than the short tab. | 2015-12-31 |
20150377042 | Leiteinrichtung fur eine Gasturbine sowie Gasturbine mit einer solchen Leiteinrichtung - The invention relates to a guide means ( | 2015-12-31 |
20150377043 | STEAM TURBINE VANE MANUFACTURING METHOD - A steam turbine vane manufacturing method including: a groove processing step for forming a protective part connecting surface ( | 2015-12-31 |
20150377044 | FIXED DIFFUSER VANES ASSEMBLY FOR GUIDING FLOW THROUGH A TURBOMACHINE, COMPRISING AN INTERNAL PLATFORM WITH INBUILT REINFORCEMENTS, AND ASSOCIATED TURBOMACHINE AND PRODUCTION METHOD - The invention relates to a fixed diffuser vanes assembly ( | 2015-12-31 |
20150377045 | STRESS MITIGATION FEATURE FOR COMPOSITE AIRFOIL LEADING EDGE - A vane assembly within a mid-turbine frame of a gas turbine engine includes an airfoil that extends between an outer platform and an inner platform. The airfoil includes an outer wall defining a leading edge of a first radius. An inner wall of the airfoil defines an inner cavity including a forward portion proximate the leading edge defining a second radius different than the first radius. | 2015-12-31 |
20150377046 | GAS TURBINE ENGINE COMPOSITE AIRFOIL TRAILING EDGE - An airfoil for a gas turbine engine includes first pressure and suction side layers forming a cavity and terminating in ends near a trailing edge. The first and second suction side layers are constructed from a composite material. A bridge is wrapped about the ends. | 2015-12-31 |
20150377047 | ANTI-ROTATION NOZZLE SECTOR AND METHOD FOR MANUFACTURING SUCH A SECTOR - A nozzle sector of an aircraft turbo-machine, including a hooking member ( | 2015-12-31 |
20150377048 | STATOR VANE ASSEMBLY AND METHOD THEREFORE - A stator vane assembly includes a plurality of distinct vane segments that each respectively include a first platform, a second platform and at least one vane airfoil connected at opposed ends thereof to the first platform and the second platform. The first platforms meet at distinct first joints with each other, and the second platforms meet at distinct second joints with each other such that the plurality of vane segments forms an annular structure. | 2015-12-31 |
20150377049 | BRUSH SEAL SYSTEM FOR SEALING A CLEARANCE BETWEEN COMPONENTS OF A TURBO ENGINE THAT ARE MOVABLE IN RELATION TO ONE ANOTHER - A brush seal system for sealing a clearance between components of a turbo engine that are movable in relation to one another, in particular of a thermal gas turbine, is disclosed. The brush seal system includes a brush seal housing, which accommodates at least one brush head of a brush seal, where the brush seal housing includes a first component having a cover plate section and a second component having a support plate section. The first component includes an axial flange forming a fish mouth seal on an end opposite the cover plate section. A thermal gas turbine having such a brush seal system is also disclosed. | 2015-12-31 |
20150377050 | TURBINE SHROUD WITH SEALED BLADE TRACK - A turbine shroud for a gas turbine engine includes a plurality of shroud segments arranged around a central axis. Each shroud segment includes a carrier component, a blade track component, and a retainer component that couples the blade track component to the carrier component. The turbine shroud further includes a plurality of circumferential seals that seal circumferential interfaces between the shroud segments. | 2015-12-31 |
20150377051 | SLIDING SEAL - The present disclosure relates generally to a sliding seal between two components. At least one of the two components includes a ramped surface on which the sliding seal slides during relative movement between the two components. | 2015-12-31 |
20150377052 | SEGMENTED SEAL FOR A GAS TURBINE ENGINE - A seal segment according to an exemplary aspect of the present disclosure includes, among other things, a first axial wall, a second axial wall radially spaced from the first axial wall and a radially outer wall that interconnects the first axial wall and the second axial wall. At least one curved member is radially inwardly offset from the radially outer wall and extending between the first and second axial walls. | 2015-12-31 |
20150377053 | TURBOMACHINE - A turbomachine, particularly an aircraft engine, having a rotor, which is mounted rotatably around its longitudinal axis in a stator, and which has at least one row of rotating blades, which is formed by a plurality of rotating blades, is disclosed, wherein the stator has at least one abradable layer, and wherein each rotating blade has a blade tip that is lowered radially inward, at least in sections, proceeding from a leading edge on the side of the rotating blades in the direction of a trailing edge on the side of the rotating blades, and with a blade tip region that extends downstream from the leading edge runs into the abradable layer during operation of the turbomachine. | 2015-12-31 |
20150377054 | GAS TURBINE AND OPERATING METHOD THEREOF - Provided is a gas turbine capable of achieving high-speed startup of the gas turbine through quick operation control of an ACC system during startup of the gas turbine, improving the cooling efficiency of turbine stationary components, and quickly carrying out an operation required for cat back prevention during shutdown of the gas turbine. Included are a pressurizing device ( | 2015-12-31 |
20150377055 | GAS TURBINE AND OPERATING METHOD THEREOF - Provided is a gas turbine capable of achieving high-speed startup of the gas turbine through quick operation control of an ACC system during startup of the gas turbine, improving the cooling efficiency of turbine stationary components, and quickly carrying out an operation required for cat back prevention during shutdown of the gas turbine. Included are a pressurizing device ( | 2015-12-31 |
20150377056 | GAS TURBINE AND OPERATING METHOD THEREOF - Provided is a gas turbine capable of achieving high-speed startup of the gas turbine through quick operation control of an ACC system during startup of the gas turbine, improving the cooling efficiency of turbine stationary components, and quickly carrying out an operation required for cat back prevention during shutdown of the gas turbine. Included are a pressurizing device ( | 2015-12-31 |
20150377057 | POWER GENERATION SYSTEM CONTROL FOLLOWING TRANSIENT GRID EVENT - A method of controlling a power generation system following a transient grid event, and a system and controller to control the power generation system are described. The method includes sensing a rate of change of electrical frequency at terminals of a generator, determining a rate of change of shaft line acceleration, and identifying the transient grid event based on the rate of change of shaft line acceleration. The method also includes triggering an action to recover from the transient grid event when the rate of change of electrical frequency exceeds a first specified value and the rate of change of shaft line acceleration exceeds a second specified value for a specified duration. | 2015-12-31 |
20150377058 | Axial Turbomachine Compressor Inner Shell - The present application relates to an axial turbomachine gaseous flow-guiding element, such as a compressor inner shroud or vane. The element includes a plasma generator including: a layer of dielectric material with a guiding surface in contact with the gaseous flow, a first electrode placed in the guiding surface, and a second electrode electrically isolated from the first electrode by means of the dielectric layer. The plasma generator drives the gaseous flow along the guiding surface from the first electrode to the second electrode and includes a third electrode covered by the dielectric layer and electrically connected to the second electrode, so as to participate in the generation of the plasma in combination with the first electrode and the second electrode, the second electrode being closer to the guiding surface than the third electrode. | 2015-12-31 |
20150377059 | METHOD FOR MONITORING A DEGREE OF CLOGGING OF THE STARTING INJECTORS OF A TURBINE ENGINE - A method for monitoring a degree of clogging of the starting injectors of a turbine engine, which includes: a combustion chamber into which at least one starting injector supplied with fuel leads, the starting injectors being suitable for initiating the combustion in the chamber by igniting the fuel; and a turbine rotated by the gases resulting from the combustion of the fuel in the chamber, the method including the steps involving: the measurement, during a phase of starting the turbine engine, of the temperature of the exhaust gases at the outlet of the turbine; and the determination, from the changes over time in the temperature thus measured, of a degree of clogging of the starting injectors. A system for monitoring a degree of clogging capable of implementing the method, and a turbine engine including such a system. | 2015-12-31 |
20150377060 | Airflow Modulation System and Method - The present invention relates to a mechanical system that modulates airflow in an aircraft inlet diffuser that is used in conjunction with an aircraft engine that integrates both a center turbine engine and a high Mach engine such as a constant volume combustor (CVC) arrangement or ramjet arrangement with intakes formed co-centrically about the turbine. The modulation system uses an articulating cone. When in a retracted position the articulating cone allows the aircraft to operate in low speed mode as only the turbo jet receives airflow. At its widest expanse, the articulating cone completely covers the turbo jet circular intake face, precluding operation of the turbine engine. | 2015-12-31 |
20150377061 | Unknown - The invention relates to a guide means ( | 2015-12-31 |
20150377062 | METHOD FOR DETECTING, AVOIDING AND/OR LIMITING CRITICAL OPERATING STATES OF AN EXHAUST GAS TURBOCHARGER - A method for detecting, avoiding and/or limiting critical operating states of an exhaust gas turbocharger which is operatively connected to a control unit, with the following method steps:
| 2015-12-31 |
20150377063 | SHROUD SEGMENT AND METHOD OF MANUFACTURING - A method of manufacturing a shroud segment, including separately molding at least first and second parts by powder injection molding. The first part has an inner surface and at least one fluid passage in communication with the inner surface. The second part has an outer surface complementary to the inner surface of the first part. At least one of the inner and outer surfaces is formed to define a plurality of grooves. A plurality of cooling passages in fluid communication with the at least one fluid passage are defined with the plurality of grooves by interconnecting the inner and outer surfaces while the first and second parts remain in a green state. The interconnected parts are debound and sintered to fuse the parts to define at least a portion of the shroud segment including the cooling passages. | 2015-12-31 |
20150377064 | TURBOCHARGER TURBINE HOUSING - A turbocharger turbine housing can include a base that defines a turbine wheel opening that includes an axis that defines an axial direction; an exhaust inlet flange that defines an exhaust inlet; an exhaust outlet flange that defines an exhaust outlet; a wastegate shaft bore, a wastegate passage, a wastegate opening for the wastegate passage and a wastegate seat disposed about the wastegate opening; bosses where each of the bosses defines a coolant opening; a spiral coolant passage in fluid communication with at least two of the coolant openings where the spiral coolant passage includes at least two windings with respect to an axial dimension of the turbocharger turbine housing; and at least one coolant passage that is in fluid communication with at least two of the at least two windings of the spiral coolant passage. | 2015-12-31 |
20150377065 | HALF-SPOOLIE METAL SEAL INTEGRAL WITH TUBE - The present disclosure involves a spoolie ( | 2015-12-31 |
20150377066 | LUBRICATION OF JOURNAL BEARING DURING CLOCKWISE AND COUNTER-CLOCKWISE ROTATION - The present disclosure is applicable to all gear trains using a journal bearing as a means of supporting gear shaft rotation. It is related in some embodiments to a system and method for supplying lubricant to the journal bearings of a gear-turbofan engine gear train when the fan rotor is subjected to a wind-milling condition in both directions, either clockwise or counter-clockwise. | 2015-12-31 |
20150377067 | MID TURBINE FRAME (MTF) FOR A GAS TURBINE ENGINE - A mid-turbine frame for a gas turbine engine includes a CMC outer ring, a CMC inner ring, and a multiple of CMC airfoils between the CMC outer ring and the CMC inner ring. Each of the CMC airfoils includes at least one hollow tube and a shell of a multiple of CMC plies surrounding the hollow tube. The hollow tube reinforces the shell. A spring biased tie-rod assembly is mounted through at least one of the multiple of CMC airfoils. | 2015-12-31 |
20150377068 | COMPONENT ARRANGEMENT FOR A GAS TURBINE - The present invention relates to a component arrangement for a gas turbine, having a first component of a gas turbine duct casing; a second component, connected to it, of a gas turbine duct casing with a flange; a rocker with an articulated section, which is rotatably mounted in a groove on the first component, which, in a cross section perpendicular to the groove longitudinal direction, has two groove flanks that lie opposite each other in the groove width direction, a groove base connecting these groove flanks, and a groove edge that lies opposite the groove base in a groove depth direction; and a setting screw. The flange of the second component is clamped between the first component and an arm of the rocker, which is tightened against the flange by the setting screw. | 2015-12-31 |
20150377069 | COATING FOR ISOLATING METALLIC COMPONENTS FROM COMPOSITE COMPONENTS - A barrier coating for isolating a metallic support component from a composite component in a gas turbine engine is provided. The barrier coating may be applied to the metallic support component so that when the ceramic component is mounted on the metallic support component the barrier coating is engaged. | 2015-12-31 |
20150377070 | Modular Mount Assembly - A mount assembly is described. The mount assembly may comprise a base unit having a surface, an extension unit stacked on and connected to the surface, and a clamp unit stacked on and connected to the extension unit. | 2015-12-31 |
20150377071 | GAS TURBINE ENGINE HYDRAULICALLY OPERATED NACELLE LATCH - A method of actuating a hydraulic latch and a fan duct includes providing a pressurized fluid for actuating a latch, providing a valve to control flow of pressurized fluid to the latch and the fan duct, and selectively opening the valve, whereby the pressurized fluid opens the fan duct. A gas turbine engine includes a fan duct with an inner structure surrounding an engine core, a fan case surrounding a fan, and at least one latch. The at least one latch secures a first portion of the fan duct inner structure to a core engine fame or to a second portion of the fan duct inner structure. The at least one latch is also configured to secure the second portion of the fan duct inner structure to the core engine fame or to the first portion of the fan duct inner structure. | 2015-12-31 |
20150377072 | REPAIR OF SURFACE DAMAGE AT EDGES OF CELLULAR PANELS - A method of working a non-conforming exhaust sleeve utilizes a first plate disposed over an outer surface of an exhaust sleeve and a second plate disposed over an inner surface. The exhaust sleeve includes an aft sleeve attached to an aft edge of a cellular layer and the first plate extends from the cellular layer onto the aft sleeve. The second plate is disposed along the inner surface of the cellular layer. A first plurality of fasteners secures the first plate to the second plate through the cellular layer and a second plurality of fasteners secures the first plate to the aft sleeve. | 2015-12-31 |
20150377073 | TITANIUM ALUMINIDE TURBINE EXHAUST STRUCTURE - A turbine exhaust case for a gas turbine engine includes a multiple of CMC turbine exhaust case struts between a CMC core nacelle aft portion and a CMC tail cone. | 2015-12-31 |
20150377074 | DEBRIS REMOVAL SYSTEM - A casing for a turbo-machine at least partially defines a flow path for a working fluid through or around one or more of a compressor section, a combustor assembly, or a turbine section. The casing defines an inner surface and the inner surface defines a plurality of debris routing channels. The plurality of debris routing channels are configured to route debris in a working fluid within the casing towards a debris collection mechanism. | 2015-12-31 |
20150377075 | RECOVERY SYSTEM USING FLUID COUPLING ON POWER GENERATING SYSTEM - A power generating system can recover exhaust heat from a working fluid of a fluid coupling and utilize the recovered exhaust heat to generate power. In the power generating system, water is supplied to a boiler by a feed pump to generate steam, a steam turbine is driven by using the generated steam to generate power, the steam discharged from the steam turbine is condensed in a condenser, and then the condensed water is resupplied to the boiler by the feed pump. The power generating system includes a fluid coupling provided between the feed pump and a motor to transmit a torque from the motor to the feed pump by a working fluid, and the condensed water supplied from the condenser is heated by the working fluid discharged from the fluid coupling. | 2015-12-31 |
20150377076 | Control Methods for Heat Engine Systems Having a Selectively Configurable Working Fluid Circuit - Systems and methods for controlling a heat engine system are provided. One method includes initiating flow of a working fluid through a working fluid circuit having a high pressure side and a low pressure side by controlling a pump to pressurize and circulate the working fluid through the working fluid circuit and determining a configuration of the working fluid circuit by determining which of a plurality of waste heat exchangers and which of a plurality of recuperators to position in the high pressure side of the working fluid circuit. The method also includes determining, based on the determined configuration of the working fluid circuit, for each of a plurality of valves, whether to position each respective valve in an opened position, a closed position, or a partially opened position and actuating each of the plurality of valves to the determined opened position, closed position, or partially opened position. | 2015-12-31 |
20150377077 | ORGANIC RANKINE CYCLE WASTE HEAT RECOVERY SYSTEM - A Rankine cycle for recovering waste heat from an engine includes a Rankine cycle circuit having a pump, a heat exchanger, an expansion device, a cooling device and a bypass circuit. The bypass circuit selectively provides a flow path for working fluid to bypass the expansion device, and includes a flow control valve actuated by a working fluid pressure differential to selectively open or close the bypass flow path. The expansion device includes a drive member directly coupled to a front end accessory drive (FEAD) of the engine such that a rotational speed of the expansion device is dictated by engine speed and the expansion device is free from separate speed control. The expansion device provides torque to the FEAD via the drive member when the system is in a waste heat recovery mode thereby reducing engine load and improving fuel economy. | 2015-12-31 |
20150377078 | BOILER OPERATION METHOD AND BOILER - A boiler according to the present invention is equipped with: a water supply system ( | 2015-12-31 |
20150377079 | ENERGY EFFICIENT APPARATUS EMPLOYING ENERGY EFFICIENT PROCESS SCHEMES PROVIDING ENHANCED INTEGRATION OF GASIFICATION-BASED MULTI-GENERATION AND HYDROCARBON REFINING FACILITIES AND RELATED METHODS - Energy-efficient gasification-based multi-generation apparatus, facilities, or systems, and methods of modifying existing gasification-based multi-generation apparatus and the various conventional thermal coupling arrangements, are provided. Apparatus for managing waste heat recovery through integration of a gasification-based multi-generation facility or other multi-generation system with a hydrocarbon refining facility or other hydrocarbon refining system and methods of providing the respective integration are also provided. An exemplary apparatus includes an integrated site energy management system configured according to one or more process-based thermal coupling schemes comprising one or more thermal coupling arrangements between a gasification-based multi-generation system or facility and a hydrocarbon refining system or facility. The gasification-based multi-generation system or facility can include an acid gas removal system or plant configured to remove acidic contaminants from a raw syngas feed to thereby provide a treated syngas feed, the acid gas removal system or plant containing a separation section including a solvent regenerator, and a gasification system configured to generate the raw syngas feed from a carbon-based feedstock. The hydrocarbon refining system or facility can include an aromatics system or plant containing a xylene products separation section including one or more of the following: an Extract column and a Raffinate column. The integrated site energy management system can include a hot-water system extending between the separation section of the acid gas removal system or plant and the xylene products separation section of the aromatics system or plant, and a plurality of added heat exchanger units providing various advanced thermal coupling arrangements. | 2015-12-31 |
20150377080 | ORGANIC RANKINE CYCLE SYSTEM WITH LUBRICATION CIRCUIT - A Rankine cycle system including a Rankine cycle working circuit and a lubrication circuit is disclosed. The lubrication circuit and the Rankine cycle working circuit include a shared segment including a mixture of Rankine cycle working fluid from the Rankine cycle working circuit and lubricant from the lubrication circuit. A separator receives the mixture of Rankine cycle working fluid and lubricant from the shared segment and separates the Rankine cycle working fluid from the lubricant. The separated Rankine cycle working fluid is directed along the Rankine cycle working circuit from the separator to the heating zone and the separated lubricant is directed along the lubrication circuit from the separator to a mechanical expander. The working fluid and lubricant are recombined after passing separately through the expander and are then introduced to the condensing zone. | 2015-12-31 |
20150377081 | CAM ROCKER LEVER FOR OPERATING VALVES - A cam rocker lever comprises an annular piece with an inner diameter, a cam lobe, a first linear portion, and a second linear portion. The cam lobe is disposed within the inner diameter of the annular piece. The first linear portion extends from a first side of the annular piece, and a second linear portion extends from a second side of the annular piece opposite the first side. The first linear portion is configured to connect to a stem of a valve such that the valve is displaced when the first linear portion is displaced. | 2015-12-31 |
20150377082 | ENGINE ROCKER ARM AND ROLLER ASSEMBLY - An engine rocker arm and roller assembly is disclosed which may include a rocker arm having a first end and a second end, with a rocker arm being adapted to pivot about a pivot aperture therein. The engine rocker arm and roller assembly may further include an axle mounted in the second end with the axle being made of bronze and having a stepped profile. The roller may be rotatively mounted to the axle. | 2015-12-31 |
20150377083 | CAM PROFILE SUMMATION MECHANISM - A rocker system comprising a summation lever and at least one valve actuating lever for use in a valve train of the type having two cams, a summation lever having followers engaging with both cams and a valve actuating lever pivotally connected to the summation lever for opening and closing an engine valve in dependence upon the sum of the lifts of the two cams, characterised in that the summation lever is assembled from opposed face plates and a separately formed hub. | 2015-12-31 |
20150377084 | METHOD AND APPARATUS FOR CONTROLLING A PHASE VARYING APPARATUS - [Problems to be solved] | 2015-12-31 |
20150377085 | HYDRAULIC CAMSHAFT ADJUSTING DEVICE WITH SPHERICAL SECTION-LIKE LOCK - A hydraulic camshaft adjustment device ( | 2015-12-31 |
20150377086 | VALVE OPENING/CLOSING TIMING CONTROL DEVICE - A valve opening/closing timing control device includes a driving rotating body that rotates in synchronization with a crankshaft, a driven rotating body that rotates integrally with a camshaft, a phase detection mechanism that detects the relative rotation phase of the driving rotating body and the driven rotating body, a retarding chamber and an advancing chamber between the driving rotating body and the driven rotating body, a lock mechanism capable of constraining the relative rotation phase to a lock phase, a supply/discharge mechanism that supplies/discharges working fluid to/from the advancing chamber, the retarding chamber, and the lock mechanism, and a control unit that controls operation of the supply/discharge mechanism. At startup of the engine, if the detected relative rotation phase is not at the lock phase, the control unit controls the supply/discharge mechanism so as to stop successive supply of working fluid to the retarding and advancing chambers. | 2015-12-31 |
20150377087 | MIDDLE PHASE CONTINUOUSLY VARIABLE VALVE TIMING SYSTEM WITH INTERMEDIATE LOCK PIN AND CAM TORQUE RESPONSE CONTROL AND METHOD THEREOF - A method of controlling an intermediate lock pin and cam torque response for a continuously variable valve timing system with is disclosed. The method includes entering a cam phaser control mode for controlling the middle phase CVVT when an engine starts, or performing lock pin chattering of a lock pin locking a cam at a middle position which is between an advanced position and a retarded position, by an oil pressure. A cam torque response control mode for controlling the middle phase CVVT is entered. The lock pin chattering occurs due to an intermittent oil flow supplying to the lock pin. | 2015-12-31 |
20150377088 | CAMSHAFT BEARING STRUCTURE - A bearing structure for a camshaft includes a bearing part that includes a cylinder head, a cam cap, and a positioning member. The cam cap is assembled to an upper part of the cylinder head. The cylinder head and the cam cap define a journal hole. The cylinder head and the cam cap rotatably support the camshaft in the journal hole. The positioning member determines the position where the cylinder head and the cam cap are assembled to each other. The positioning member is press-fitted into the cylinder head and the cam cap. In the bearing part for the camshaft, the positioning member is provided only in an inner part, which is a part of the bearing part between an axis of the camshaft and a center of an upper part of the cylinder head. | 2015-12-31 |
20150377089 | VALVE FOR INTERNAL COMBUSTION ENGINES AND METHOD FOR OBTAINING A VALVE - A valve for an internal combustion engine may include a ferrous body having a neck. At least one area of the neck may include a surface layer with a thickness of up to 300 μm. The valve may also be provided with at least 17% solubilized metallic chromium, which may be obtained by an application of a surface melting treatment. | 2015-12-31 |
20150377090 | VALVE LIFT CONTROL SYSTEMS AND METHODS FOR ENGINE STARTABILITY - A startup/shutdown control module selectively generates an engine startup command when an engine of the vehicle is off. A starter control module applies power to a starter motor when the engine startup command is generated. A valve control module, in response to the generation of the engine startup command: operates intake valves of cylinders of the engine in a low lift mode when an engine temperature is less than a predetermined temperature; and operates the intake valves of the cylinders of the engine in a high lift mode when the engine temperature is greater than the predetermined temperature. | 2015-12-31 |
20150377091 | VALVE TIMING CONTROL APPARATUS AND VARIABLE VALVE ACTUATING APPARATUS FOR INTERNAL COMBUSTION ENGINE - A valve timing control apparatus for an internal combustion engine includes: a power feeding brush including a tip end portion slidably abutted on the slip ring to feed electric power to the slip ring; and a rotation angle sensing mechanism including; a sensed portion provided to the one end portion of the motor output shaft, and a sensing portion provided to the cover member, and arranged to sense a rotation position of the sensed portion; the cover member including a recessed portion formed in an inner surface of the cover member, and recessed in an axially outward direction relative to the position of the opening end of the brush holding hole; and the sensed portion including a tip end portion inserted and disposed within the recessed portion to confront the sensing portion. | 2015-12-31 |
20150377092 | SLIDING CAM ACTUATOR HAVING A SEAL - A sliding cam actuator for a sliding cam system, including a housing defining a housing interior, and at least one coil former having a winding for generating a magnetic force when current flows, further including a moving pin or control pin extendable out of the housing by the magnetic force or a spring force and designed to dip into a displacement groove of a sliding can. A sealing element sealing off the interior of the housing from the outside is arranged between a component fixed to the housing and a component fixed to the moving pin. A sliding cam system including at least one camshaft, on which at least one sliding cam having a displacement groove is arranged such that the sliding cam can be displaced but is fixed against rotation, and into which sliding cam a moving pin of a sliding cam engages is provided. | 2015-12-31 |
20150377093 | SINGLE LOBE DEACTIVATING ROCKER ARM - A deactivating rocker arm can include an outer arm extending between a first end and a second end. The outer arm can have a first outer side arm and a second outer side arm. The first and second outer side arms can define outer pivot axle apertures and axle slots. The inner arm can be disposed between the first and second outer side arms. The inner arm can have a first inner side arm and a second inner side arm. The first and second inner side arms can define bearing apertures. A bearing can be mounted in the bearing apertures of the inner arm and the axle slots of the outer arm. The axle slots can be configured to permit lost motion movement of the bearing. A first biasing member can be disposed on the second end of the outer arm and in biasing contact with the bearing. | 2015-12-31 |
20150377094 | DETENT ASSEMBLY AND A METHOD OF ASSEMBLING THE DETENT ASSEMBLY - A detent assembly and a method of assembling the detent assembly are disclosed. The detent assembly includes a first shaft rotatable about a longitudinal axis and has an outer surface. The first shaft defines a cavity having an opening defined by the outer surface. The detent assembly further includes a camshaft defining an aperture along the longitudinal axis to present an inner wall of the camshaft that circumscribes the longitudinal axis. The inner wall defines a plurality of recesses spaced from each other. The detent assembly also includes a self-contained plunger unit that is secured to the first shaft in the cavity as a unit. A plunger of the self-contained plunger unit engages the inner wall as the camshaft is disposed over the self-contained plunger unit so that the plunger rests in one of the recesses of the camshaft to selectively secure together the first shaft and the camshaft. | 2015-12-31 |
20150377095 | DIAGNOSTIC METHOD FOR A VALVE DRIVE ACTUATOR - A method for diagnosing an electromagnetic actuator of a sliding cam valve drive of an internal combustion engine. An actuator pin is released by electrical energising of the actuator and is introduced into a groove-like sliding slot which passes through a cylindrical slot section of the associated sliding cam-and ends in a slope onto the cylindrical circumference of the slot section. The method includes: energising the actuator using current parameters of a variable actuator characteristic map so that the actuator pin is released when the cylindrical circumference overlaps the actuator pin circumferentially; determining whether the released actuator pin generates a rejection signal due to the slope from the sliding slot onto the cylindrical circumference; if no rejection signal is detected, repeating step a) whereas at least one current parameter is changed and step b); updating the actuator characteristic map with the changed current parameter. | 2015-12-31 |
20150377096 | OIL LEVEL REGULATING APPARATUS - An oil level regulating apparatus includes a valve unit and a solenoid unit. The valve unit includes a housing having an inflow hole, an outflow hole, and a leak hole, a partition separating the outflow hole and the leak hole, defining a valve chamber close to the outflow hole, and having a partition continuous hole, a valve dividing the valve chamber into an introduction chamber and a pressure chamber and having a valve continuous hole, and a valve biasing member biasing the valve. The solenoid unit has a shaft configured to open and close a leak channel. The shaft can open and close the leak channel on the downstream side of the pressure chamber. When the shaft closes the leak channel, the valve is switched to a closed valve state of closing the outflow hole. | 2015-12-31 |
20150377097 | RELIEF DEVICE FOR OIL CIRCUIT OF ENGINE - A relief device including: an oil pump; an upstream flow passage provided from a discharge section side of the oil pump to an engine; an oil-pressure relief valve relieving oil by a valve body moving due to oil pressure; and a temperature-sensitive relief valve B relieving oil by detecting an oil temperature and opening and closing steplessly. The oil-pressure relief valve and the temperature-sensitive relief valve are disposed in parallel in the upstream flow passage. A portion of the pump housing of the oil pump is formed in an integrated fashion with a casing of an oil circulation mechanism. An oil filter | 2015-12-31 |
20150377098 | CONTROL DEVICE FOR OIL PUMP - A control device for a variable-capacity oil pump provided in an engine using alcohol-containing fuel includes an electronic control unit. The electronic control unit is configured to: (i) estimate an alcohol concentration in oil of the engine, and (ii) correct a capacity of the oil pump to be increased in a correction condition as compared with a case where the correction condition is not established when the correction condition is established. The correction condition is that an estimated alcohol concentration is a predetermined concentration or more and a temperature of the oil is a predetermined temperature or more. | 2015-12-31 |
20150377099 | Process and Apparatus for the Preparation of a Cylinder Oil - The present invention concerns a process for the production of a cylinder oil comprising the steps: providing a used oil, providing a fresh cylinder oil, and blending the used oil with the fresh cylinder oil, wherein the used oil has a lower TBN value than the fresh cylinder oil. The invention further concerns a process for the operation of an internal combustion engine comprising the steps of: preparing a cylinder oil according to a process for the production of a cylinder oil as described herein and using the cylinder oil in the internal combustion engine. Also part of the present invention is an apparatus for the preparation of a cylinder oil, comprising a blending means for blending used oil and fresh cylinder oil, characterized in that the blending means is in flow communication with at least one compartment of an internal combustion engine that comprises used oil or at least one storage compartment comprising used oil, at least one storage compartment for fresh cylinder oil, and at least one cylinder of an internal combustion engine. A further aspect of the present invention is the use of used oil and fresh cylinder oil for the preparation of cylinder oil. The processes, apparatus and uses of the present invention are especially provided for the use with two-stroke crosshead engines installed on a ship. | 2015-12-31 |
20150377100 | Modular Assembly Having Press-Fit Fastener Holes - A modular assembly having a press-fit fastener hole. The press-fit fastener hole may include a plurality of lobe regions and a plurality of contact regions that may be spaced between lobe regions for a press-fit engagement with a fastener. The fastener may have a first diameter and the contact regions collectively may define an imaginary second diameter that is less than or equal to the first diameter. | 2015-12-31 |
20150377101 | METHOD OF AND APPARATUS FOR EXHAUSTING INTERNAL COMBUSTION ENGINES - Disclosed herein is a method and an insert device for an internal combustion engine including: a central exhaust passage; a first expansion chamber in an upstream portion of the exhaust system and in fluidic communication with the central exhaust passage; a second expansion chamber in a downstream portion of the exhaust system and in fluidic communication with the central exhaust passage and the first expansion chamber, forming a continuous expansion chamber throughout a length of the insert device. | 2015-12-31 |
20150377102 | SYSTEM AND METHOD FOR CONTROLLING AND DIAGNOSING PASSIVE STORAGE DEVICES IN EXHAUST AFTERTREATMENT SYSTEMS - An internal combustion engine system includes an engine and an aftertreatment system that is connected to the engine to receive exhaust flow from the engine. The aftertreatment system includes a passive storage device for passively storing NO | 2015-12-31 |
20150377103 | METHOD FOR HEATING A DELIVERY DEVICE - A method for heating a device for delivering a liquid additive, the device having at least one pump having at least one pump chamber and at least one movable pump chamber wall, the movable pump chamber wall being displaceable for the delivery of the liquid additive, includes: a) generating a vibration movement by at least one actuator; b) transmitting the vibration movement to the movable pump chamber wall; and c) converting the vibration movement into heat in the movable pump chamber wall. | 2015-12-31 |
20150377104 | Exhaust gas line section for supplying liquid additive - An exhaust gas line section, through which an exhaust gas can flow, includes a flow guiding structure, a feed unit configured to supply a liquid additive to the exhaust gas, and a permeable impingement structure, the flow guiding structure, the feed unit, and the permeable impingement structure being positioned one behind the other in the flow direction. The feed unit and the flow guiding structure are arranged and configured such that an impingement region of the liquid additive on the impingement structure overlaps the center of gravity of a flow distribution of the exhaust gas flowing through the impingement structure. | 2015-12-31 |