42nd week of 2015 patent applcation highlights part 30 |
Patent application number | Title | Published |
20150292342 | STATOR ASSEMBLY FOR A GAS TURBINE ENGINE - A vane cluster for a gas turbine engine includes a first end-of-cluster vane, a second end-of-cluster vane, a neighbor vane adjacent to said second end-of-cluster vane; and a multiple of base vanes between said first end-of-cluster vane and said neighbor vane. | 2015-10-15 |
20150292343 | TURBINE ENGINE VANE ARRANGEMENT HAVING A PLURALITY OF INTERCONNECTED VANE ARRANGEMENT SEGMENTS - A turbine engine vane arrangement and a method for manufacturing a turbine engine vane arrangement are provided. The vane arrangement includes a plurality of vane arrangement segments arranged circumferentially around an axial centerline. Each of the vane arrangement segments includes an airfoil that extends radially between a first platform segment and a second platform segment. The first platform segment extends circumferentially between a first mate face and a second mate face. The first mate face of a first of the vane arrangement segments is bonded to the second mate face of a second of the vane arrangement segments. | 2015-10-15 |
20150292344 | INGESTION BLOCKING ENDWALL FEATURE - An endwall of a gas turbine engine section comprises a flow path surface and a wall. The flow path surfaces defines an inner diameter of a main flow path through the gas turbine engine section, and terminates in an aft waterfall step. The wall extends substantially radially inward from the waterfall step, and defines a blockage feature that impedes airflow from the main flow path to a secondary air cavity situated inward of the waterfall step. | 2015-10-15 |
20150292345 | POWER TURBINE UNIT - A power turbine unit includes a turbine housing, an exhaust duct, a turbine wheel with blades positioned in the exhaust duct, a shaft rigidly connected to the turbine wheel and rotatably supported in the housing, and an oil sealing system. The oil sealing system includes a sealing arrangement positioned in the vicinity of the turbine wheel for preventing oil from escaping from the turbine housing along the shaft to the exhaust duct. The oil sealing system further includes a buffer gas duct that is arranged to supply exhaust gas from the exhaust duct to the sealing arrangement for pressurizing the sealing arrangement. | 2015-10-15 |
20150292346 | PROCESS GAS COMPRESSOR/GAS TURBINE SECTION - A process gas compressor/gas turbine section including a process gas compressor and a gas turbine which is coupled to the shaft of the process gas compressor in order to drive said compressor is provided. The process gas compressor is designed to compress combustible process gas and is equipped to seal the process gas compressor inner chamber from the atmosphere using a shaft seal which can be sealed with a seal gas and which has at least one leakage line. The leakage line can conduct leakage gas away from the shaft seal and is connected to the air inlet of the gas turbine such that the leakage gas together with the inlet air at the air inlet can be conducted into the gas turbine during the operation of the process gas compressor/gas turbine section. | 2015-10-15 |
20150292347 | FORWARD STEP HONEYCOMB SEAL FOR TURBINE SHROUD - The present application provides a stage of a gas turbine engine. The stage may include a bucket extending radially about a longitudinal axis of the gas turbine engine, a shroud facing the bucket, the shroud including a fore end portion including a radially inner surface spaced a first distance from the longitudinal axis, and a forward step honeycomb seal positioned on the shroud downstream of the fore end portion and facing the bucket. The forward step honeycomb seal may include a first linear portion including a radially inner surface spaced a second distance from the longitudinal axis, and a forward step portion positioned adjacent to and downstream of the first linear portion, the forward step portion including a radially inner surface spaced a third distance from the longitudinal axis, wherein the second distance is greater than the third distance, and wherein the third distance is greater than the first distance. | 2015-10-15 |
20150292348 | DEVICE AND METHOD FOR PROTECTING AN AIRCRAFT TURBOMACHINE COMPUTER AGAINST SPEED MEASUREMENT ERRORS - A device protecting an aircraft turbomachine computer against speed measurement errors, including: on a speed regulation channel: a speed sensor of a turbomachine gearbox shaft, a speed measurement circuit, and a speed regulation circuit; on a monitoring channel: a speed sensor of a turbomachine gas generator shaft, a speed measurement circuit, and a turbomachine stop control circuit. Each channel uses dissimilar characteristics eliminating common mode errors. Each speed sensor delivers a pseudo-sine frequency signal. On each channel, speed monitoring circuits compare the frequency signal with a minimum threshold, delivering an error signal when the measured frequency is lower than the minimum threshold. A common speed cross checking circuit detects exceeding a determined deviation between both frequencies, the monitored deviation being higher or lower than a maximum deviation corresponding to loss of a frequency period on either sensor. Analyzing the error signals, exceeding the determined deviation can control stopping the turbomachine. | 2015-10-15 |
20150292349 | TURBOEXPANDER AND DRIVEN TURBOMACHINE SYSTEM - A turboexpander and driven turbomachine system comprising a turboexpander configured for expanding a first fluid and comprising an expander stage with one expander impeller; a first set of moveable inlet guide vanes at the inlet of the expander stage; a driven turbomachine configured for processing a second fluid and comprising a turbomachine impeller; a second set of moveable inlet guide vanes at the inlet of the turbomachine impeller; a mechanical transmission between the turboexpander and the driven turbomachine; and a controller connected to the second set of moveable inlet guide vanes and configured for controlling the second set of moveable inlet guide vanes for adjusting the rotary speed of the driven turbomachine and said turboexpander. | 2015-10-15 |
20150292350 | EXHAUST-GAS TURBOCHARGER - An exhaust-gas turbocharger ( | 2015-10-15 |
20150292351 | ELECTRIC DE-ICING DEVICE FOR TURBOJET ENGINE NACELLE ELEMENT - The present disclosure provides an electric de-icing/anti-icing device for a turbojet engine or turbo-prop nacelle element to be protected from icing. The device includes: a heating assembly including first and second heating stages positioned in the nacelle element; an electricity supply circuit delivering a primary voltage to the first heating stage of the heating assembly. In particular, the electricity supply circuit includes an electricity source, and a de-icing/anti-icing circuit which is connected to the heating assembly and supplied voltage by the electricity source. Furthermore, the de-icing/anti-icing device includes components to supply a complementary voltage to the second heating stage of the heating assembly. | 2015-10-15 |
20150292352 | AIRCRAFT PROPULSION ASSEMBLY COMPRISING AN AIR FLOW VALVE WITH A VARIABLE FLOW RATE - A propulsion assembly having a heat exchanger and a system for supplying cold air including an air inlet in a stream of air, an air duct connecting the air inlet fluidly to the exchanger, and an air flow valve with a variable flow rate inside the duct, the valve including a hub having blades projecting radially from the hub forming a helix, each blade having a root mounted rotatably on the hub, the valve comprising an electric motor to drive the hub by a motor shaft, and structure for varying pitch angle of the blades, the extremity of each blade being flush with a wall of the duct, the valve controllable to a closed configuration where pitch angle of the blades is 0° and the valve prevents passage of air, an open configuration where pitch angle is 90°, and/or a charge configuration where pitch angle is between 0° and 90°. | 2015-10-15 |
20150292353 | HIGH PRESSURE COMPRESSOR THERMAL SHIELD APPARATUS AND SYSTEM - In various embodiments, a high pressure compressor may comprise a thermal shield. The thermal shield may be installed between a first rotor and a second rotor. The thermal shield may also be installed radially inward of a stator. The stator may be a shrouded stator. Moreover, the thermal shield may be configured to thermally isolate and/or reduce the thermal load associated with windage on a rotor hub. | 2015-10-15 |
20150292354 | TURBINE HOUSING AND TURBOCHARGER - A turbine housing for an internal combustion engine, the turbine housing includes a coolant passage and exhaust gas flow path. The exhaust gas flow path is configured to pass exhaust gas of the internal combustion engine, a turbine wheel is arranged in the exhaust gas flow path, the exhaust gas flow path include a first portion, the first portion is disposed further on the exhaust gas downstream side than the turbine wheel in the exhaust gas flow path, and the inner diameter of the first portion gradually increases toward the exhaust gas downstream side. | 2015-10-15 |
20150292355 | TURBOMACHINE COOLING SYSTEMS - Embodiments of a turbomachine, having a longitudinal axis and a flowpath are provided. The turbomachine includes an impeller circumferentially disposed around the longitudinal axis, and an impeller shroud that surrounds a portion of the impeller. At least one opening formed through the impeller shroud surface provides fluid communication between the flowpath and a dead-headed plenum. | 2015-10-15 |
20150292356 | HEAT SHIELD BASED AIR DAM FOR A TURBINE EXHAUST CASE - A turbine exhaust case employed in an industrial gas turbine engine includes a frame, a fairing and a heat shield. The frame includes an outer ring, an inner ring, and struts connected between the outer ring and the inner ring. The fairing includes a fairing outer ring, a fairing inner ring, and fairing struts connected between the fairing outer ring and the fairing inner ring. The heat shield is located between the frame outer ring and the fairing outer ring and provides a thermal barrier between the fairing outer ring and the frame outer ring, wherein the heat shield includes an aft portion having a flange that interfaces with the frame outer ring to form an air dam that directs cooling airflow forward along the frame outer ring within an outer diameter cavity formed between the frame outer ring and the heat shield. | 2015-10-15 |
20150292357 | AIRCRAFT GAS TURBINE HAVING A CORE ENGINE CASING WITH COOLING-AIR TUBES - An aircraft gas turbine having a core engine casing for a core engine, said core engine casing including at least a compressor area, a combustion chamber area and a turbine area, wherein the core engine casing is provided on its outer wall with several cooling-air tubes which are designed in one piece with said outer wall and extend in the axial direction relative to an engine axis. | 2015-10-15 |
20150292358 | GAS TURBINE ENGINE INNER CASE INCLUDING NON-SYMMETRICAL BLEED SLOTS - A compressor of a gas turbine engine includes a plurality of rotors rotatable about a central longitudinal axis, a plurality of stators, and a circumferential inner case wall located outwardly of the plurality of rotors and the plurality of stators. The inner case wall includes a plurality of first slots located in a first section of the circumferential inner case wall and a plurality of second slots located in at least one second section of the circumferential inner case wall. A first area of each of the first slots is greater than a second area of each of the second slots. A circumferential manifold is located outwardly of the inner case wall including a port. At least one of the plurality of second slots is located proximate to the port. | 2015-10-15 |
20150292359 | LUBRICATING A ROTATING COMPONENT DURING FORWARD AND/OR REVERSE ROTATION - An assembly is provided for a turbine engine. This turbine engine assembly includes a rotating component, a turbine engine component and a lubrication system. The lubrication system is adapted to lubricate the turbine engine component where the rotating component rotates a first direction about an axis. The lubrication system is also adapted to lubricate the turbine engine component where the rotating component rotates a second direction about the axis. | 2015-10-15 |
20150292360 | PANEL CONNECTION SYSTEM AND A METHOD OF USING THE SAME - A panel connection assembly connects a panel to a casing including hanger, first locating, and second locating plates. The hanger plate has elongate body, first end, and opposite second end portions, with each of the first and second end portions having a circular profile. The hanger plate has a dumbbell shape. The first locating plate has a first circular locating aperture, the first locating aperture to accommodate the first end portion, and the second locating plate has a second circular locating aperture, the second locating aperture to accommodate the second end portion. In use, the first locating plate is secured to the casing, the second locating plate is secured to the panel, the first and second end portions are respectively accommodated within the first and second locating apertures with the elongate body portions extending therefrom, to connect the panel to the casing. | 2015-10-15 |
20150292361 | Composite Casing For A Compressor Of An Axial-Flow Turbomachine - A composite external casing for a compressor of an axial-flow turbomachine, the casing comprising a generally circular wall having a matrix and a woven fibrous reinforcement. The latter is formed by a stack of fibrous plies having fibers woven according to a weft positioned in the axis of the circular wall, and a warp positioned around the circumference of the wall. The stack of plies comprising, depending on thickness, two external layers and one central layer. The layers include differences in the proportions between the weft fibers and the warp fibers. In the external layers the warp fibers make up the majority. In the central layer the weft fibers make up the majority. The stack exhibits interlayers inserted between the central layer and each external layer. The plies corresponding to the interlayers exhibit fibers woven at +45° and −45° in relation to the axis of rotation of the turbomachine. | 2015-10-15 |
20150292362 | METHOD OF REMANUFACTURING A MACHINE COMPONENT - A method is provided for remanufacturing a machine component having multiple holes. The holes are provided to match in alignment with corresponding holes of an adjacent component in a machine assembly. First and second sets of holes are selected from the holes of the machine component on the basis of being located within first and second limits of positional tolerance with respect to corresponding holes of the adjacent component. Each hole from the first set of holes is bored to define openings in axial alignment with holes of the adjacent component. Each hole from the second set of holes is bored to an enlarged diameter and then plugged with a deformable insert. Each of these inserts is then drilled to define openings in axial alignment with holes of the adjacent component. | 2015-10-15 |
20150292363 | Faceted Housing For Axial Turbomachine Compressor - The invention relates to an external composite housing for a compressor of an axial turbomachine, the housing having a generally circular wall with a matrix and fiber reinforcement. The housing includes a circular wall with an internal surface having a continuous curve around the circumference of the wall. The wall includes flat facets that are flush with the internal curved surface of the wall. The facets are arranged in annular rows to receive annular rows of stator vanes. The facets are flat disks against which the vanes bear to optimize the orientation of the vanes, while reducing the concentrations of mechanical stresses at the platform/wall interfaces. | 2015-10-15 |
20150292364 | AID DEVICE - An aid device ( | 2015-10-15 |
20150292365 | Double Pinch Criterion For Optimization Of Regenerative Rankine Cycles - Systems and methods axe disclosed herein that generally involve a double pinch criterion for optimization of regenerative Rankine cycles. In some embodiments, operating variables such as bleed extraction pressure and bleed flow rate are selected such that a double pinch is obtained in a feedwater heater, thereby improving the efficiency of the Rankine cycle. In particular, a first pinch point is obtained at the onset of condensation of the bleed and a second pinch point is obtained at the exit of the bleed from the feedwater heater. The minimal approach temperature at the first pinch point can be approximately equal to the minimal approach temperature at the second pinch point. Systems that employ regenerative Rankine cycles, methods of operating such systems, and methods of optimizing the operation of such systems are disclosed herein in connection with the double pinch criterion. | 2015-10-15 |
20150292366 | ROTOR OF A CAMSHAFT ADJUSTER, CAMSHAFT ADJUSTER WITH SUCH A ROTOR, AND METHOD FOR PRODUCING A ROTOR - A camshaft adjuster ( | 2015-10-15 |
20150292367 | CAMSHAFT ADJUSTING DEVICE - A camshaft adjusting device for an internal combustion engine including: a vane-type adjuster actuable by a pressure medium and which is rotationally fixed to a camshaft by a rotor and rotationally fixed to a crankshaft by a stator; a central valve has a displaceable valve body, by which a pressure medium is fed to the vane-type adjuster via a pump from a reservoir, the medium being selectively introduced into different working chambers and fed back from other working chambers to the reservoir, depending on the position of the valve body. The device includes a rolling bearing , by which the end section of the camshaft facing the vane-type adjuster is mounted in relation to a fixed housing wall. An axially oriented through-flow opening extends through the rolling bearing through which the pressure medium delivered by the pressure flows in an axial direction to the central valve. | 2015-10-15 |
20150292368 | VALVE TIMING CONTROLLER - A valve timing controller includes a filter arranged between a check valve and one of a driving shaft and a driven shaft of an engine. The filter has a first plate and a second plate stacked with each other in a thickness direction. The first plate has a plurality of first holes located adjacent to the check valve. The second plate has a plurality of second holes located adjacent to the one of the driving shaft and the driven shaft and overlapped with a part of the first hole. A communication part at which the first hole and the second hole communicate with each other defines a minute opening having a minimum width that is smaller than those of the first hole and the second hole. | 2015-10-15 |
20150292369 | VALVE TIMING CONTROLLER - A valve timing controller includes a filter having a first end plate, a middle plate, and a second end plate that are stacked in this order in the thickness direction. The first end plate is located adjacent to a driving shaft or a driven shaft, and has plural inlet holes. The second end plate is located adjacent to a check valve, and has plural outlet holes distanced from the inlet hole when seen from the thickness direction. The middle plate has plural middle holes communicated to one of the inlet holes and one of the outlet holes. The middle plate has a thickness which is smaller than a minimum opening width of the inlet holes and the outlet holes. | 2015-10-15 |
20150292370 | VALVE FOR INTERNAL COMBUSTION ENGINES - A valve device for an internal combustion engine may include a valve and a metallic tungsten matric coating containing at least one tungsten nanocarbide disposed on at least a portion of the valve via a chemical vapor deposition (CVD) process. The coating may include a thickness ranging from 5 μm to 150 μm and a hardness between 500 HV and 2000 HV. | 2015-10-15 |
20150292371 | Apparatus and Method - A fluid reservoir system for a vehicle engine, which engine comprises a fluid circulation system, the reservoir system comprising a container for fluid, in which the container comprises at least one fluid inlet port, at least one fluid outlet port and at least one vent port and in which, each of said ports comprises a self-sealing coupling adapted to connect to a corresponding coupling on the vehicle engine to thereby connect said container in fluidic communication with the fluid circulation system of the engine and in which the reservoir system comprises at least one latch which is adapted to retain said container in fluidic communication with said vehicle engine fluid circulation system and is remotely operable to disconnect said container from said vehicle engine fluid circulation system and in which the system comprises at least one actuator which is connected to one or more of said latches and is adapted to operate said one or more latches and said container is elongate; said inlet, outlet and vent ports are located at a common first end of said container; and said at least one actuator is operable at a second end of said container, distal from said ports. Also provided is a method of supplying fluid to a vehicle engine using said fluid reservoir system. | 2015-10-15 |
20150292372 | Container, Method and Control System - A replaceable fluid container for an engine comprising: a reservoir for holding a fluid; a fluid coupling adapted to provide fluidic communication between the reservoir and a fluid circulation system of an engine; and a data provider arranged such that positioning the container to permit fluidic communication between the reservoir and the fluid circulation system of the engine arranges the data provider for data communication with an engine control device of the engine. There is also provided a method of facilitating control of an engine and an engine control system, apparatus and a vehicle. | 2015-10-15 |
20150292373 | Oil Blow out Prevention Kit for Caterpillar Engines - Problem/Reason for Solution and Idea | 2015-10-15 |
20150292374 | PCV VALVE MOUNTING STRUCTURE - A PCV valve mounting structure which releases freezing of a PCV valve promptly is provided. A PCV valve mounting structure is provided with a resin cover forming an internal space portion between the resin cover and a cylinder head of an internal combustion engine, a valve mounting through hole formed at the resin cover, a PCV valve including a valve case portion inserted through the valve mounting through hole from outside the resin cover, and a metal fixture threadedly engaged, from inside the resin cover, with the valve case portion inserted through the valve mounting through hole, at least part of the metal fixture being exposed to the internal space portion. | 2015-10-15 |
20150292375 | Sound-Attenuating Muffler Having Reduced Back Pressure - A sound-attenuating muffler having a muffler housing with a volume displacement to engine displacement ratio of less than 8:1 and a width to height ratio between 1.05:1-3.5:1. The muffler also includes a partition configured to divide the muffler housing into separate compartments, the partition also having a partition opening for the passage of exhaust gases therethrough. A deflection element is attached to an upstream side of the partition along its width and height thereby provide at least one side opening on each side along the width and at least one end opening on each end along the height for the passage of exhaust gases therethrough. A ratio of the open area of both the end openings to the open area of the partition opening is between 0.7:1-3.7:1 and a ratio of an open area of both side openings to the open area of the partition opening is between 0.3:1-3.5:1. | 2015-10-15 |
20150292376 | BURNER FOR EXHAUST GAS PURIFICATION DEVICES - A burner for exhaust gas purification devices, comprising a base, a first pipe section, and a second pipe section. The first pipe section has a base end section, a tip section, a combustion chamber wherein combustion air and fuel are combusted, and a discharge port from which combusted gas is discharged. The base end section is fixed to the base. An air flowpath through which combustion air passes is provided between the first pipe section and the second pipe section. The burner for exhaust gas purification devices also comprises a compressable blocking section fixed to the first pipe section or the second pipe section, and interposed between the tip section of the first pipe section and the second pipe section. The entire perimeter of the tip section of the first pipe section is supported so as to be slidable relative to the second pipe section, via the blocking section. | 2015-10-15 |
20150292377 | AUTOMOTIVE AIR CLEANER ELEMENTS WITH ATTACHMENT/INSULATION FEATURE - A number of variations may include an air cleaner assembly which comprises a first housing portion having at least one air inlet aperture. The air cleaner assembly may further include a second housing portion operably coupled to the first housing portion and having at least one air outlet aperture. Moreover, a filter media may be disposed between the first housing portion and the second housing portion. At least one insulator may be integrally formed with the filter media. The entire filter media including the insulator may be removable and replaceable. | 2015-10-15 |
20150292378 | EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE - An object of the present invention is to suppress HC, CO, and NOx from being discharged to the outside when a filter regeneration process is executed in an exhaust gas purification system for an internal combustion engine provided with a filter including an SCR catalyst carried thereon. In the present invention, a post-catalyst is provided for an exhaust gas passage disposed on a downstream side from the filter. The post-catalyst has an oxidizing function, and the post-catalyst has such a function that the production of N | 2015-10-15 |
20150292379 | CLEANING SYSTEM AND METHOD FOR REDUCTION OF SOX IN EXHAUST GASES - A cleaning system for reducing SOx and particulate matter in exhaust gases from a marine combustion engine, burner or boiler. The cleaning system comprises first and second scrubber process loops having first and second scrubbers, respectively, and first and second water circulation tanks, respectively. Water from the first tank is evaporated to water vapor inside the first scrubber by contact with the exhaust gases, whereby the water vapor and the exhaust gases form humid exhaust gases. The humid exhaust gases are transferred to the second scrubber, wherein water from the second tank condenstaes the water vapor in the humid exhaust gases. A reflux of water from the second scrubber process loop to the first scrubber process loop is provided. At least 60% and more preferred at least 90% of a total amount of alkaline agent supplied to the cleaning system is supplied to the second scrubber process loop. | 2015-10-15 |
20150292380 | Efficiency and Reduced Emission for Internal Combustion Engines Using Thermoelectric-driven Electrolysis - Disclosed herein is a thermoelectric electrolysis system, the system including a thermoelectric device for deriving electricity from heat, an electrolysis device coupled to the thermoelectric device, an oxygen delivery system connected to the electrolysis device; and a hydrogen delivery system connected to the electrolysis device. | 2015-10-15 |
20150292381 | Reducing Agent Metering System with Leak Monitoring - The invention relates to a reducing agent metering system for injecting a reducing agent into the exhaust gas stream of a combustion engine for selective catalytic reduction, with a feed pump, by means of which reducing agent is conveyed from a reducing agent tank via a delivery line and is introduced via at least one nozzle into the exhaust gas stream of the combustion engine, whereby the delivery line is formed by a hose ( | 2015-10-15 |
20150292382 | Device for providing a liquid additive - A device for providing a liquid additive includes an assembly main body on which at least one hydraulic component is mounted for the operation of the device. A plug-in plate is fastened to the assembly main body and at least one electric heater and at least one further electrical component for the operation of the device are mounted on the plug-in plate. The at least one electric heater extends from the plug-in plate into at least one cutout of the assembly main body. A motor vehicle having the device is also provided. | 2015-10-15 |
20150292383 | EXHAUST AFTERTREATEMENT SYSTEM WITH CATALYTIC DEACTIVATION MONITORING - A system includes a controller. The controller is configured to monitor a catalytic activity within an ASC assembly that converts ammonia (NH | 2015-10-15 |
20150292384 | EXHAUST AFTERTREATEMENT SYSTEM WITH CATALYTIC DEACTIVATION MONITORING - A system includes a controller configured to determine if a combustion engine is operating under a desired rich fuel condition. The controller is also configured, if the combustion engine is operating under the desired rich fuel condition, to monitor a catalytic activity within an ASC assembly that converts NH | 2015-10-15 |
20150292385 | METHOD AND SYSTEM FOR CONTROLLING THE OPERATION OF A SYSTEM FOR STORING AND INJECTING AN ADDITIVE INTO THE EXHAUST GASES OF AN ENGINE - A method for managing operation of a component of a system for storing and injecting an additive into exhaust gases of a combustion engine. The system includes a container for storing the additive and the method includes: obtaining an instantaneous measurement of concentration of additive and/or an instantaneous measurement of alkalinity of the additive and/or an instantaneous measurement of the temperature inside the container, by one or a plurality of measurement sensors mounted inside the container; determining reducing power of the additive based on the instantaneous measurement of concentration of additive and/or an instantaneous measurement of the alkalinity of the additive and/or temperature inside the container; generating a control signal, based on the defined reducing power; transmitting the generated control signal to the component. | 2015-10-15 |
20150292386 | ELECTRICALLY HEATED CATALYST DEVICE AND ITS MANUFACTURING METHOD - An electrically heated catalyst device includes a catalyst support, a surface electrode disposed on an outer surface of the catalyst support and extending in an axis direction of the catalyst support, a wiring line member including a root section extending in the axis direction of the catalyst support and comb teeth-like wiring lines extending from the root section in a circumference direction of the catalyst support and fixed to the surface electrode, an outer cylinder covering an outer surface of the catalyst support, and a holding member holding the catalyst support and packed between the catalyst support and the outer cylinder, in which the catalyst support is heated by feeding a current through the surface electrode and the wiring line member. A slit extending from an outer edge in the circumferential direction of the catalyst support is formed in the root section of the wiring line member. | 2015-10-15 |
20150292387 | EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE - A particulate filter arranged in an engine exhaust passage is provided with alternately arranged exhaust gas inflow and outflow passages and porous partition walls separating these passages from each other. In each partition wall, a coated zone where a coated layer with an average pore size smaller than that of a partition wall substrate is used to cover the substrate surface and a non-coated zone downstream of the coated zone where the substrate surface is not covered by the coated layer are defined, and the ash in the exhaust gas can pass through the partition wall in the non-coated zone. The quantity of particulate matter trapped at the non-coated zones is calculated, and PM removal control for removing particulate matter from the particulate filter is performed when it is judged that the quantity of trapped particulate matter is greater than an allowable upper limit amount. | 2015-10-15 |
20150292388 | EXHAUST AFTER-TREATMENT SYSTEM - An engine having an after-treatment system for reducing emissions from an exhaust stream includes an intake manifold and a plurality of cylinders coupled to the intake manifold. The plurality of cylinders includes a first set of cylinders and a second set of cylinders. Further, the engine includes a first exhaust manifold coupled to the first set of cylinders and a second exhaust manifold coupled to the second set of cylinders. The engine further includes an after-treatment system coupled to the first exhaust manifold. The first exhaust manifold further includes an end portion disposed downstream relative to the after-treatment system. The end portion of the first exhaust manifold is coupled to a first portion of the second exhaust manifold via a pipe. | 2015-10-15 |
20150292389 | ENGINE WITH COOLING SYSTEM - An engine assembly and method of distributing coolant in an engine assembly. A cylinder block includes one or more pairs of cylinder block openings disposed therein. Each pair of cylinder block openings include two cylinder block openings, each configured to house a piston. A cylinder head in fluid communication with the one or more pairs of cylinder block openings. A coolant manifold includes coolant flow passages, each in fluid communication with a coolant flow inlet disposed in the cylinder block between the two cylinder block openings in each pair of cylinder block openings. Fluid from each coolant flow inlet diverges into two coolant flow passages, each extending about a peripheral portion of a respective cylinder block opening. Each coolant flow passage extends from the peripheral portion of the respective cylinder block opening into one or more outlets from the engine block and into the cylinder head. | 2015-10-15 |
20150292390 | OIL JET APPARATUS OF INTERNAL COMBUSTION ENGINE - Provided is a valve housing configured to be inserted into an insertion hole that extends in a direction approximately orthogonal to an extending direction of an oil path and configured to be freely movable along an extending direction of the insertion hole. When an oil jet switching valve is closed, the tip end portion of the valve housing is configured to be pressed to the inner wall surface of the oil path by receiving an energized force from an energizing unit. | 2015-10-15 |
20150292391 | ENGINE COMBUSTION CONTROL VIA FUEL REACTIVITY STRATIFICATION - A compression ignition engine uses two or more fuel charges having two or more reactivities to control the timing and duration of combustion. In a preferred implementation, a lower-reactivity fuel charge is injected or otherwise introduced into the combustion chamber, preferably sufficiently early that it becomes at least substantially homogeneously dispersed within the chamber before a subsequent injection is made. One or more subsequent injections of higher-reactivity fuel charges are then made, and these preferably distribute the higher-reactivity matter within the lower-reactivity chamber space such that combustion begins in the higher-reactivity regions, and with the lower-reactivity regions following thereafter. By appropriately choosing the reactivities of the charges, their relative amounts, and their timing, combustion can be tailored to achieve optimal power output (and thus fuel efficiency), at controlled temperatures (and thus controlled NOx), and with controlled equivalence ratios (and thus controlled soot). | 2015-10-15 |
20150292392 | THROTTLE CONTROL SYSTEM AND METHOD - A throttle control system for an Otto cycle combustion engine includes a compressor and an electric motor. The compressor is rotatable in both clockwise and counterclockwise directions, and has air inlet and outlet ports, the air outlet port being configured to provide intake air to an air intake system of the engine. The motor, operably connected to the compressor, is configured to operate in a first direction to rotate the compressor clockwise or counterclockwise, and in a second direction to rotate the compressor in a direction reverse of the first direction. An unobstructed air flow passage is disposed between the compressor and the air intake system of the engine. Operation of the motor in the first direction facilitates an increase in air pressure at the air intake system, and operation of the motor in the second direction facilitates a decrease in air pressure at the air intake system. | 2015-10-15 |
20150292393 | DIRECTLY COMMUNICATED TURBOCHARGER - One illustrative embodiment includes a turbocharger ( | 2015-10-15 |
20150292394 | CONTROL DEVICE FOR AN EXHAUST GAS GUIDE SECTION OF A TURBINE - In a control device for a flow-through exhaust gas guide section of a turbine for opening and dosing a bypass duct to permit exhaust gas to bypass a turbine wheel arranged in a turbine wheel housing of the exhaust gas guide section comprising with an actuating device and a cover element being provided for opening or dosing a flow cross-section of the bypass duct, the cover element is a hollow truncated cone with passages provided in the cone-shaped cover element which differ from one another so as to provide for a controllable efficient and quiet exhaust gas flow through the flow cross-section into the bypass duct. | 2015-10-15 |
20150292395 | Wastegate valve and method for installing a wastegate valve into the turbine housing of an exhaust-gas turbocharger - A wastegate valve includes a wastegate flap and a wastegate spindle, in which the wastegate flap and the wastegate spindle are constituent parts of a single, unipartite molded body. The molded body furthermore has a connecting arm which is disposed between the wastegate flap and the wastegate spindle and which has a plasticization region. A method for installing an exhaust-gas turbocharger wastegate valve of this type into a turbine housing which has a wastegate duct, is also provided. | 2015-10-15 |
20150292396 | RECIRCULATION VALVE CONTROL SYSTEMS AND METHODS - A control system for a recirculation valve of a turbocharger includes a target boost module, a close request module, and a close delay module. The target boost module determines a target boost for the turbocharger based on a torque request. The close request module selectively generates a close request to close the recirculation valve based on the target boost. The close delay module, in response to the generation of the close request, delays closing of the recirculation valve. | 2015-10-15 |
20150292397 | TURBOCHARGING SYSTEM AND METHOD - A turbocharger system for a combustion engine includes a turbine, a generator, an electric motor, and a compressor. The turbine is disposed in flow communication with an exhaust flow of the combustion engine productive of exhaust gases, the generator is operably connected to the turbine to produce electrical power in response to operation of the turbine, the compressor is disposed in flow communication with an air intake system of the combustion engine, and the electric motor is operably connected to the compressor to cause operation of the compressor in response to operation of the electric motor. The electric motor is operably connected to the generator via electrical wires configured to deliver electrical power from the generator to the electric motor to cause operation of the electric motor absent a mechanical driving shaft connection between the generator and the electric motor. | 2015-10-15 |
20150292398 | CHARGING DEVICE FOR INTERNAL COMBUSTION ENGINES - A charging device for internal combustion engines includes a compressor part configured to compress drawn-in combustion air. The compressor part is arranged in an intake line of the internal combustion engine and is connected to the internal combustion engine via an actuatable mechanical coupler. An expansion part is disposed in a circulation system for a circulating working medium. The circulation system includes at least one exhaust-gas heat exchanger and a circulation pump such that the expansion part is driven utilizing waste heat from the internal combustion engine. An electric machine is connected to the expansion part so as to drive the compressor part. The electric machine is connected to the compressor part. An operational electric connection is disposed between the electric machine and a battery so that electric energy is stored during an energy-recovery mode or else so that electric energy is provided to drive the electric machine. | 2015-10-15 |
20150292399 | Altering Engine Combustion Cycle Using Electric Motor-Driven Exhaust and Intake Air Pumps - An engine system comprises a turbine connected to the engine to receive exhaust gas from an engine and a compressor, mechanically independent of the turbine, connected to the engine to supply intake air to the engine. The engine system further comprises an electric motor connected to the turbine to rotate the turbine and an electric motor connected to the compressor to rotate the compressor. The engine system further comprises a control module configured to vary a pressure of the exhaust gas exiting the engine by changing the rotational velocity of the turbine and to vary the pressure of the intake air by changing the rotational velocity of the compressor. Using the ability to change the rotation velocity of the compressor and the turbine to alter pressures in the intake and exhaust, respectively, the engine combustion cycle can be altered to achieve a variety of operating conditions. | 2015-10-15 |
20150292400 | DRIVE DEVICE - A wave motion gearing speed reducer ( | 2015-10-15 |
20150292401 | Systems, Methods and Apparatuses for Interconnection of Rotating Components - One embodiment is an apparatus comprising a first rotational component including an elongated connecting element fixed thereto and extending axially therefrom through a second rotational component to an end structure. The connecting element is connected to the end structure to compress the second rotational component between the end structure and the first rotational component. | 2015-10-15 |
20150292402 | GAS TURBINE ENGINE - A gas turbine engine. The engine includes a first compressor coupled to a first turbine by a first shaft, the first turbine having first and second turbine stages. A first combustor is provided downstream of the first compressor and upstream of the first stage of the first turbine. A second combustor is provided downstream of the first stage of the first turbine, and upstream of the second stage of the first turbine. A further turbine is provided downstream of the first turbine, and is coupled to a further compressor by a further shaft. | 2015-10-15 |
20150292403 | Methods for Producing a Fuel Gas Stream - Methods and systems for dynamically planning a well site are provided herein. Methods include flowing a raw gas stream though a suction scrubber to form a feed gas stream and compressing the feed gas stream to form a compressed gas stream. Methods include cooling the compressed gas stream in a cooler to produce a cooled gas stream. Methods include feeding the cooled gas stream into a gas treatment system, using a turboexpander, to produce a conditioned gas and a waste stream. Methods include heating the conditioned gas in a heat exchanger, where the conditioned gas is a superheated, sweetened, gas. Methods also include burning the conditioned gas in a turbine generator and mixing the waste stream into the raw gas stream upstream of the suction scrubber. | 2015-10-15 |
20150292404 | PROCESS AND EQUIPMENT FOR COAL GASIFICATION, AND POWER GENERATION SYSTEM AND POWER GENERATION PROCESS THEREOF - A coal gasification process is provided based on the grading conversion of carbon hydrogen components of coal, wherein the coal gasification process comprises a carbonization process, a carbon monoxide-producing process and a shift reaction process. By blending the coke-oven gas, carbon monoxide and hydrogen produced in the above processes in different ratios, coal gasification syngases with various carbon hydrogen ratios can be obtained. Further, the coal gasification process does not need pure oxygen to take part in the reactions, and has several advantages, such as high gasification efficiency, low equipment investment costs, less limitation on the types of coal and flexible adjustment of the gasification products. | 2015-10-15 |
20150292405 | BURNER ARRANGEMENT, COMBUSTOR, GAS TURBINE ENGINE AND METHOD FOR DETERMINING A RATE OF SOOT DEPOSITION IN GAS TURBINE COMBUSTORS - A burner arrangement for a combustor of a gas turbine engine including a burner body is provided. The burner arrangement includes a cut-out and a burner face, the cut-out piercing the burner face, a sensor device installed in the cut-out and a first part fixed to the burner body and a second part having a tip surface, the sensor device being configured such that the second part is able to move relative to the burner face, and further including a data evaluation unit. The sensor device generates information signals corresponding to a magnitude and/or a period of the oscillation of the second part relative to the first part, the data evaluation unit collects the received information signals and determines a grade of deposition of combustion residues on the burner face by evaluating the collected information signals. | 2015-10-15 |
20150292406 | PANEL ATTACHMENT SYSTEM AND A METHOD OF USING THE SAME - A panel attachment system comprises a panel, a hanger, a plurality of anchors and a casing. Each anchor comprises an elongate post portion superimposed by a planar cap portion with each anchor having a second ‘T’-shaped cross sectional area. The hanger is removably secured to the casing by a plurality of fastening elements with each fastening element passing through a corresponding hole in the casing and being accommodated in a respective one of the plurality of bosses. The plurality of anchors is spaced along a first surface of the panel with each post portion being secured to and protruding from the first surface of the panel, the spacing between adjacent anchors corresponding to the spacing between adjacent slots in the second edge of the hanger plate, with each slot receivably accommodating a respective one of the anchors to secure the panel to the casing. | 2015-10-15 |
20150292407 | REMOVABLE ACOUSTIC PANELS FOR TURBOJET ENGINE CASING - An acoustic panel intended to be fixed internally to a fan casing of a turbojet engine, including an exterior face and an interior face which are curved about an axis, and two axially opposed transverse faces, the exterior curved face having at least one first recess on the side of a first transverse face and at least one second recess on the side of the opposite transverse face, said recesses each an attachment, in which said recesses do not open onto the interior curved face of the panel. Also covered are the turbojet engine including these panels and the method of mounting them. | 2015-10-15 |
20150292408 | Dual Filtration Particle Separator - A gas turbine engine has a first particle separator stage including a surface for impacting air at outer periphery of an air flow passage, capturing impacted particles at the outer periphery, and routing captured particles towards a second particle separator stage. Air inward of the first particle separator stage passes towards a core of the engine. Cleaner air upstream of the second particle separator stage is utilized for an air function at a location other than the core engine. A particle discharge is disposed downstream of said second particle separator stage. | 2015-10-15 |
20150292409 | GAS TURBINE ENGINE HEAT MANAGEMENT SYSTEM - A heat management system of a gas turbine engine for cooling oil and heating fuel, includes an oil circuit having parallel connected first and second branches. The first branch includes a fuel/oil heat exchanger and a first fixed restrictor in series and the second branch includes an air cooled oil cooler and a second fixed restrictor. The first and second fixed restrictors limit respective oil flows through the first and second branch differently, in response to viscosity changes of the oil caused by temperature changes of the oil during engine operation to modify oil distribution between the first and second branches. | 2015-10-15 |
20150292410 | Gas Turbine Engine with Plural Accessory Air Paths - A gas turbine engine has a first source of air to be delivered into a core of the engine, and a second source of air, distinct from the first source of air and including separately controlled first and second fans, each delivering air into respective first and second conduits connected to distinct auxiliary applications. | 2015-10-15 |
20150292411 | ANGLED CORE GAS TURBINE ENGINE MOUNTING - A propulsion system for an aircraft includes first and second turbine engines mounted within a fuselage of the aircraft. The first turbine engine includes a first engine core that drives a first propulsor disposed about a first propulsor axis. The second turbine engine includes a second engine core and a second propulsor disposed about a second propulsor axis parallel to the first propulsor axis. The first engine core and the second engine core are mounted at an angle relative to corresponding ones of the first and second propulsor axes. | 2015-10-15 |
20150292412 | FUEL INJECTOR FOR A TURBINE ENGINE - A fuel injector for a turbine engine, the injector including a body including a primary fuel circuit and a secondary fuel circuit fed by a metering valve. A leakage channel extends from a zone in fluid flow connection with the primary circuit to a zone in fluid flow connection with the secondary circuit. The leakage channel is configured to be open in a closed position of the metering valve and to be closed by the metering valve moving. | 2015-10-15 |
20150292413 | ACOUSTIC LINER - An acoustic liner has a honeycomb layer disposed between a first panel and a permeable panel and includes a plurality of serpentine walls spaced apart from one-another. Adjacent serpentine walls outline in-part a first region carried by the first panel and an opposing second region carried by the permeable panel. The first and second regions are offset such that a centerline distance extending between the regions and centered between adjacent walls is greater than a distance measured directly between the panels, enabling the design of thinner acoustic liners. The regions and adjacent walls further define a cell having a constricted portion communicating between an end portion and an entry portion such that the constricted portion creates a frequency shift. | 2015-10-15 |
20150292414 | AIR TURBINE STARTERS HAVING OIL FEED SHUTOFF VALVES AND GAS TURBINE ENGINES INCLUDING THE SAME - Air Turbine Starters (ATSs) having oil feed shutoff valves are provided, as are gas turbine engines including ATSs. In one embodiment, the ATS includes an ATS housing assembly containing a sump chamber, an oil inlet, and a valve cavity. A rejected oil return passage is further formed in the ATS housing assembly and fluidly coupled to the valve cavity. An oil feed shutoff valve is positioned in the valve cavity and contains a valve element movable between open and closed positions. In the open position, the valve element permits oil flow from the oil inlet, through the valve cavity, and into the sump chamber. In the closed position, valve element blocks oil flow from the oil inlet into the sump chamber, while redirecting the oil flow into rejected oil return passage to reduce the loss of engine oil through the ATS in the event of an ATS housing breach. | 2015-10-15 |
20150292415 | TORSION SPRING INTERNAL DAMPER - A spring assembly has a spring end for engagement with a component to bias the component in a first direction. The spring end is connected to a plurality of coils, which have an inner peripheral surface, and are mounted about a pivot pin. A damper is positioned between an outer peripheral surface on the pivot pin and the inner peripheral surface of the spring coils. The damper is engaged by the spring coils, if the spring end is driven in a direction opposed to the first direction. A one-way drive assembly and a gas turbine engine are also disclosed. | 2015-10-15 |
20150292416 | Gas Turbine Power Generation Equipment - This invention provides a gas turbine power generation equipment adapted to prevent step out of an electric power generator due to a system trouble such as a momentary power failure in a local grid including intermittent renewable energy generation equipment and the gas turbine power generation equipment. The gas turbine power generation equipment that supplies electric power in cooperation with the intermittent renewable energy generation equipment in the local grid interconnected to a power grid includes: a fuel flow control valve that controls a flow rate of fuel supplied to a combustor; a bleed valve or inlet air flow control valve that controls a flow rate of air compressed by a compressor and supplied to the combustor; and a control unit configured so that if voltage on the power grid decreases below a threshold V(t), the control unit outputs a control signal to at least one of the fuel flow control valve, the bleed valve, and the inlet air flow control valve. The control unit thereby reduces instantaneously at least one of the fuel flow rate and the compressed air flow rate. After an elapse of a predetermined time, the control unit instantaneously returns the reduced flow rate to its original level. | 2015-10-15 |
20150292417 | CONTROL OF GAS TURBINE ENGINE - Systems, devices, and methods for controlling a fuel supply for a turbine or other engine using direct and/or indirect indications of power output and optionally one or more secondary control parameters. | 2015-10-15 |
20150292418 | Modeling Oil Dilution Using A Multicomponent Model - A method for determining the composition of a fuel in a lubricant in an internal combustion engine in disclosed. The composition of a fuel having at least a first portion of a first fuel component and a second portion of a second fuel component is predefined. The mass flow with which the fuel is introduced into the lubricant in an introduction phase or discharged from the lubricant and from the housing in a discharge phase is determined. The composition of the mass flow is determined from a first mass flow of the first fuel component and a second mass flow of the second fuel component, which are determined based on a) an introduction parameter in the introduction phase or a discharge parameter in the discharge phase, and b) the first portion of the first fuel component and the second portion of the second fuel component in the fuel. | 2015-10-15 |
20150292419 | HILL START ASSIST METHOD AND A CONTROLLER FOR HILL START ASSIST OF A VEHICLE - A hill start assist method for a vehicle includes a vehicle-mounted controller for sensing an intention to start on an uphill slope, and converts a sensed gradient resistance into a target torque, and enables the engine to have adequate torque reserve in advance; therefore, in the subsequent start, driving wheels can obtain sufficient driving force to ensure that the vehicle will not slide backward. Furthermore, for a manual automobile, the engine torque is boosted in an early stage during a clutch release by a driver, thus accelerating the rotation speed of the engine, and avoiding, to a certain extent, engine stalling caused by a too quick or too much clutch release, compared with the situation where the engine is completely idling. | 2015-10-15 |
20150292420 | ELECTRIC ACTUATOR TEMPERATURE ESTIMATION - Various methods for estimating electric actuator temperature during certain operational windows are provided. In one example, a method comprises adjusting an electric motor to position a wastegate at a desired wastegate position, while during selected conditions, deviating from the desired position by at least one full half-turn of the motor and indicating motor temperature based on winding resistance averaged over the full half-turn. | 2015-10-15 |
20150292421 | METHOD AND SYSTEM FOR FUEL VAPOR MANAGEMENT - Methods and systems are provided for improving the efficiency of canister purge completion. Based on engine operating conditions, a canister is purged to a compressor inlet or a throttle outlet. During purging conditions, as canister loads change, a purge flow through the canister is varied so that a fixed preselected portion of total engine fueling is delivered as fuel vapors. | 2015-10-15 |
20150292422 | APPARATUS FOR DETECTING INTER-CYLINDER AIR-FUEL RATIO IMBALANCE IN MULTI-CYLINDER INTERNAL COMBUSTION ENGINE - An apparatus for detecting inter-cylinder air-fuel ratio imbalance in an engine is provided. The apparatus includes a turbocharger, a bypass passage configured to bypass a turbine of the turbocharger, a waste gate valve configured to selectively close the bypass passage, an air-fuel ratio sensor installed in a portion of an exhaust passage which portion is located on a downstream side of a junction between a downstream side of the turbine and a downstream side of the bypass passage, and a determination unit programmed to compare a value of a degree of fluctuation in an output from the air-fuel ratio sensor or a parameter correlated therewith with a predetermined threshold to perform inter-cylinder air-fuel ratio imbalance determination. The determination unit is programmed not to perform the imbalance determination when an opening degree of the waste gate valve is equal to or higher than a predetermined reference value. | 2015-10-15 |
20150292423 | EGR OPERATION METHOD AND SYSTEM FOR INCREASED DRIVABILITY - A method for an engine may comprise, in response to an EGR valve closing, determining an EGR oxygen content, and purging an EGR system when the EGR oxygen content is less than a threshold oxygen content. | 2015-10-15 |
20150292424 | METHOD AND SYSTEM FOR CONTROL OF AN EGR VALVE DURING LEAN OPERATION IN A BOOSTED ENGINE SYSTEM - Methods and systems are provided for reducing EGR estimation errors during lean engine operating conditions. During lean engine operation, EGR is disabled if the estimated exhaust air-fuel ratio becomes leaner than a lean threshold. The lean threshold is adjusted based on an upper limit of EGR errors that may be tolerated by the engine at a given engine speed and load. | 2015-10-15 |
20150292425 | EXHAUST GAS PURIFICATION SYSTEM AND EXHAUST GAS PURIFICATION METHOD - An exhaust gas purification system with a diesel particulate filter in an exhaust passage of an internal combustion engine. A surface filtration cake layer formation enhancement control or a particulate matter generation amount reduction control is temporarily performed immediately after a forced regeneration treatment on the diesel particulate filter. The system and a method are directed to a particulate matter slip-through phenomenon in which the particulate matter slip-through amount temporarily increases immediately after particulate matter re-combustion in a forced regeneration treatment on the diesel particulate filter. The diesel particulate filter is disposed in the exhaust passage of the internal combustion engine and reduces the total amount of particulate matter emitted to the atmosphere immediately after the particulate matter re-combustion in the forced regeneration treatment on the diesel particulate filter. | 2015-10-15 |
20150292426 | METHOD FOR REGENERATING A DIESEL PARTICULATE FILTER - A reciprocating internal combustion engine with an emission control device and a method for operating same are described. At least one throttle, arranged on the intake side, at least one main fuel injection nozzle for feeding a main fuel to a combustion chamber of the diesel engine, and at least one catalytic converter are arranged in the centre of an exhaust gas passage for conducting exhaust gas out of the combustion chamber, and at least one control device is used. A soot burn-off rate determined according to a model approach is maximized using a regulation process by means of a throttle valve. | 2015-10-15 |
20150292427 | CONTROL SYSTEM OF VEHICLE - A PM-ECU configured to control a drive torque of a vehicle is configured to be stopped in response to a driver's operation of a start switch and then activated in response to a driver's re-operation of the start switch. The PM-ECU is configured to be activated and place a restriction on the drive torque of the vehicle, in response to a re-operation of the start switch after the PM-ECU is stopped in response to an operation of the start switch. The PM-ECU is configured to remove the restriction on the drive torque in response to a reduction of an operation amount by which an accelerator pedal is operated. | 2015-10-15 |
20150292428 | METHODS AND SYSTEMS FOR DETERMINING A FUEL CONCENTRATION IN ENGINE OIL USING AN INTAKE OXYGEN SENSOR - Methods and systems are provided for estimating a fuel concentration in engine oil in an engine crankcase. In one example, an engine controller may adjust engine operation such as EGR flow and engine fueling based on the estimated fuel concentration in engine oil. The fuel concentration may be based on an output of an intake oxygen sensor when purge and EGR flow are disabled, engine oil temperature, and fuel composition. | 2015-10-15 |
20150292429 | METHODS AND SYSTEMS FOR ADJUSTING EGR BASED ON AN IMPACT OF PCV HYDROCARBONS ON AN INTAKE OXYGEN SENSOR - Methods and systems are provided for estimating an impact of PCV hydrocarbons on an output of an intake oxygen sensor. In one example, a method may include disabling EGR flow when the impact of PCV hydrocarbons on the output of the intake oxygen sensor is above a threshold. The impact of the PCV hydrocarbons on the output of the intake oxygen sensor may be based on a difference between the output of the intake oxygen sensor and a DPOV sensor when EGR is flow and a difference between the output of the intake oxygen sensor and expected blow-by when EGR is not flowing. | 2015-10-15 |
20150292430 | Method for Operating a Fuel Injection System with a Fuel Filter Heating Process and Fuel Injection System - The invention relates to a method for operating a fuel injection system for an internal combustion engine, having the following steps: filtering fuel using a fuel filter ( | 2015-10-15 |
20150292431 | METHOD FOR COMPENSATING POST-INJECTION TIMING - A method for compensating post-injection timing may include performing main injection to perform combustion using air drawn into a cylinder, performing post-injection after the main injection to control an amount of reducing agent or to change a temperature of exhaust gas, determining first injection timing of the post-injection according to operation conditions of an engine, advancing or retarding the first injection timing according to combustion efficiency of the post-injection, and performing the post-injection at a compensated first injection timing. | 2015-10-15 |
20150292432 | CYLINDER BORE SURFACE PROFILE AND PROCESS - An engine block has a cylinder bore wall comprising a first portion having a first diameter and a second portion axially adjacent to the first portion having a second diameter greater than the first diameter. A series of parallel, circumferentially-extending grooves is formed in the second portion to roughen the surface and enhance adhesion of a later-applied, sprayed-on metallic coating. A non-masking section is formed between the first and the second portions to provide for a less-abrupt corner between the larger diameter and smaller diameter portions and eliminate any spray-masking that may otherwise. The non-masking section may be a flat or a curved chamfer. The non-masking section may be a non-grooved section of constant diameter. | 2015-10-15 |
20150292433 | METAL-ELASTOMER SEAL WITH INTEGRATED DIRT AND MEDIA SEALING - The invention relates to a flat gasket, comprising a functional layer having at least one media through-opening and at least one combustion chamber through-opening; and a second layer, which is separate from the functional layer and has a media through-opening(s) that corresponds to the media through-opening(s) in the functional layer and a combustion chamber through-opening(s) that corresponds to the combustion chamber through-opening(s) in the functional layer; wherein the functional layer has at least one combustion chamber sealing bead, which is preferably a full bead, for each combustion chamber through-opening; and wherein the second layer has an outer boundary sealing bead and an elastomer sealing profile for each media through-opening. | 2015-10-15 |
20150292434 | WASTE-HEAT REUSE CONTAINER USING WASTE HEAT OF POWER GENERATION ENGINE - A short waste-heat reuse container disposed adjacent to a 40-f container that contains a radiator | 2015-10-15 |
20150292435 | CONTAINER UNIT - The present invention obtains an engine generator device including: a longer generator container that houses a generator functional portion including an engine and a generator driven by the engine; and a shorter exhaust heat utilization container that houses a boiler utilizing the exhaust heat of the engine, and a heat exchanger. By effective utilization of the containers and by effective connection between the two containers, pipe and cable arrangement is not necessary. Further, by saving space, maintainability after the assembling is satisfactory. A combined unit is provided to include: a longer generator container | 2015-10-15 |
20150292436 | LOCKING/UNLOCKING DEVICE FOR A ONE-PIECE COWL OF A THRUST REVERSER OF A TURBOJET ENGINE NACELLE - An assembly for a turbojet engine includes a pylon, a nacelle supported by the pylon, and a locking device interposed between the pylon and a cowl of the nacelle. The cowl slides between operating and maintenance positions. The locking device is movable between active and inhibited positions, and the device allows an operation mode in the active position and a maintenance mode in the inhibited position. In particular, the locking device comprises a rocker to maintain the cowl to the pylon, and the rocker includes an inhibiting lever and an activation lever. The inhibiting and activation levers are mounted on a switching shaft of the locking device. The inhibiting lever is set in rotation through an actuator, providing direct access from a bypass flow duct in the active position while the activation lever is set in rotation from the bypass duct in the inhibited position. | 2015-10-15 |
20150292437 | GAS TURBINE ENGINE CONVERGENT/DIVERGENT EXHAUST NOZZLE DIVERGENT SEAL WITH DOVETAIL INTERFACE - A divergent flap seal includes a flap seal body with a spine, the flap seal body manufactured of a non-metallic material. A mount is engaged with the spine at the dovetail interface and a resilient member at the dovetail interface. | 2015-10-15 |
20150292438 | METHOD AND APPARATUS FOR COOLING COMBUSTOR LINER IN COMBUSTOR - A method and apparatus for cooling a combustor liner in a combustor are disclosed. In one embodiment, a combustor is disclosed. The combustor includes a transition piece, and an impingement sleeve at least partially surrounding the transition piece and at least partially defining a generally annular flow path therebetween. The combustor further includes an injection sleeve mounted to one of the transition piece or the impingement sleeve and positioned radially outward of the impingement sleeve, the injection sleeve at least partially defining a flow channel configured to flow working fluid to the flow path. In another embodiment, a method for cooling a combustor liner in a combustor is disclosed. The method includes flowing a working fluid through a flow channel at least partially defined by an injection sleeve, and exhausting the working fluid from the flow channel into a flow path adjacent the combustor liner. | 2015-10-15 |
20150292439 | INJECTOR ELEMENT - The invention relates to the field of injectors, and in particular to an injector element ( | 2015-10-15 |
20150292440 | DIRECTLY INJECTING GAS VALVE - A gas injector is provided for the direct injection of a gaseous medium into a combustion chamber of an internal combustion engine, which includes an adjustable valve member, a stationary sealing sleeve having a first sealing seat, a movable sealing element having a second sealing seat and a restoring element for resetting the sealing element and the valve member to an initial position, the first sealing seat and the second sealing seat forming a valve seat of the gas injector, and the valve member being disposed in the sealing sleeve. | 2015-10-15 |
20150292441 | CRYOGENIC FUEL INJECTION AND COMBUSTION - A combustion engine and a method of operating the combustion engine are disclosed. The method comprises supplying a charge gas to the combustion chamber through an intake port; discharging a cryogenic fuel in a liquid state from a fuel injector in fluid communication with the combustion chamber; closing an intake valve to close the combustion chamber; and actuating a piston during a compression cycle to compress the charge gas and the cryogenic fuel. At least a portion of the cryogenic fuel evaporates in the closed combustion chamber. | 2015-10-15 |