Abstract: A method of replacing a fan case liner panel in an engine fan case is provided. In one illustrative form, the method may include applying heat to an engine fan case to debond an adhesive layer, removing the first fan case liner panel, and bonding a second fan case liner panel.

Abstract: A turbine engine including a turbine shroud for positioning radially outside of blades of the turbine rotor. The turbine shroud includes a carrier, a retention assembly, and a blade track. The blade track is clamped by the retention assembly, and the retention assembly is supported by the carrier.

Abstract: Compliant coupling systems and methods are provided for coupling a shroud to an engine casing. The complaint coupling system includes a retaining ring adapted to be positioned adjacent to the shroud and adapted to be coupled to the engine casing. The retaining ring defines a coupling channel about a circumference of the retaining ring and at least one notch that interrupts the coupling channel. The complaint coupling system also includes a first clip received within the coupling channel. The first clip has a biasing portion that extends into a space defined by the at least one notch, and the biasing portion is adapted to contact the shroud. The complaint coupling system includes a second clip received within the coupling channel. The second clip has a bumper portion that extends into the spaced defined by the at least one notch, and the bumper portion is adapted to contact the shroud.

Abstract: A gas turbine engine includes a fan including a plurality of fan blades rotatable about an axis, a compressor section, a combustor in fluid communication with the compressor section, a turbine section in fluid communication with the combustor, a geared architecture arranged in a housing and driven by the turbine section for rotating the fan about the axis, and a support member that supports the geared architecture within the gas turbine engine. The support member includes an inner portion and an outer portion. One of the inner and outer portions is configured to be coupled to the geared architecture and the other of the inner and outer portions is configured to be coupled to the housing. A plurality of removal features each have at least one engaging surface to facilitate a pulling force on the support member in a direction parallel to the axis.

Abstract: A valve assembly for use to regulate a flow of steam in a flowpath of a turbine. The valve assembly can be configured with a body that circumscribes a rotor. The body is disposed upstream of the rotor blades. In one implementation, the body forms an annular ring with a plurality of arcuate segments, each being configured to move independently of the other segments in the ring to change the size of an annular gap between the arcuate segments and the rotor. The size of the annular gap corresponds with flow parameters for working fluid that flows across the rotor and that exits the turbine for use in pre-heaters and like collateral equipment.

Abstract: A method and arrangement for utilizing waste heat that includes a waste heat exchanger, at least two turbines, at least two recuperators, at least two cooler units, and at least two pumps and/or compressors as components, wherein all components are arranged in a single fluid cycle, where the waste heat exchanger heats up a fluid with heat from a waste heat source, the heated fluid flows through a first set of the at least one turbine, the at least one recuperator, the at least one cooler unit, and the at least one pump and/or compressor, and then flows through at least a second set the at least one turbine, the at least one recuperator, the at least one cooler unit, and the at least one pump and/or compressor with the same components arranged in series downstream of the first set.

Abstract: In an overhead cam engine (10) having a first bearing (21) supported by the cylinder block (11), and a second bearing (22) supported by a bearing retaining member (60) attached to the cylinder block inside a crankcase chamber (12) for rotatably supporting a crankshaft (20), the crankshaft is provided with a reduced diameter portion (24b) having a smaller outer diameter than an adjoining part of the crankshaft on a side of the second bearing facing away from a cylinder (15) defined in the cylinder block, and a crankshaft pulley (53) is mounted on the reduced diameter portion.

Abstract: The cam follower roller device provides a tappet housing extending along an axis, a pin mounted on the tappet housing and a roller mounted on the pin. The tappet housing includes a main body provided inside which the roller is mounted and with a recess delimited axially by a radial portion of the body. The tappet housing further provides at least one stiffening insert mounted in axial contact with the radial portion of the main body.

Abstract: A continuously variable valve timing (CVVT) control device is provided. The CVVT control device includes an engine controlling unit (ECU) configured to output an actual phase angle and a target phase angle of an intake valve or an exhaust valve. The CVVT control device further includes an intellectual motor controller configured to receive the actual phase angle and the target phase angle from the ECU through digital communication in a vehicle. A driving current is generated for adjusting an output torque of a motor based on a phase deviation between the received actual phase angle and target phase angle.

Abstract: A first swing arm of each cylinder is swung by a fixed cam of an intake camshaft, so as to operate a first intake valve according to a profile thereof. A second swing arm is swung by a second cam and its swing range is changed by a variable mechanism. Hereby, a lift amount of a second intake valve changes continuously. The second cam is selected from a plurality of cams on a cam piece provided around the intake camshaft.

Abstract: In a vehicle cooling system, a quantity of warm coolant stored within a thermally insulated tank is used to heat engine lubricating oil in an engine warm-up phase following a cold start. A conduit feeding coolant leaving the engine is connected to an inlet of the tank via a reduced cross-section or a labyrinth pathway. The conduit is connected to an inlet of an electronically controlled distribution valve having three outlets connected to the oil cooler, a passenger compartment heater, and a radiator. In an initial part of the warm-up phase, the valve is closed, and the entire flow of coolant leaving the engine flows into the tank, moving the quantity of warm coolant previously stored in the tank to the oil cooler, where it contributes to more rapid heating of the lubricating oil. When the engine is switched-off, the tank is again filled with warm coolant from the engine.

Abstract: An oil suction device is provided, including a main body and a sleeve member. A front end of the main body has a flow hole, an interior of the main body has a receiving space, one of two ends of a piston member is disposed in the receiving space and movable relative to the main body to allow a fluid to flow into or out of the receiving space through the flow hole, and the main body is light-penetrable. The sleeve member covers the main body, the sleeve member has at least one hollow-out portion formed radially, and the sleeve member and the main body are in different colors.

Abstract: A method and a kit for oil removal or injection into the oil pan of a vehicle, marine or aircraft engine. A modified dip stick tube extends to the bottom of the oil pan has at least one or more openings at its bottom end to allow oil to enter or exit. The top has an air-tight seal that can be attached to a flexible tube that can be run to a peristaltic pump. The pump can have an exit tube that runs into an oil recovery receptacle. After draining, the oil, the tube can be valved or physically relocated to a fresh oil source. The direction of rotation of the pump can be reversed to fill the oil pan with fresh oil. An electric control can run the pump in both a forward and reverse direction typically from a vehicle battery voltage source.

Abstract: Described herein is a substrate including a central longitudinal axis, a first support web, and a second support web. A sinuous web may be positioned between the first support web and the second support web. The sinuous web may include transverse web portions and bridging web portions, where the bridging web portions alternatively connect ends of adjacent transverse web portions. The sinuous web may be connected to the first support web by support legs extending between bridging web portions and a surface of the first support web. The sinuous web may be connected to the second support web by support legs extending between bridging web portions and a surface of the second support web. A support leg length to distance between transverse web portions ratio may be from about 1.0 to about 4.0.

Abstract: A honeycomb structure body has a cylindrical outer peripheral wall, partition walls and cells. The cells are surrounded by the partition walls. In a radial cross section of the honeycomb structure body, the cells is divided into cell density sections having different cell densities formed from a central section to the outer peripheral wall. A boundary wall is formed between two cell density sections. Each cell density section has boundary cells and interior cells. The boundary cells are in contact with the boundary wall. The interior cells are not in contact with the boundary wall. In the radial cross section of the honeycomb structure body, an inscribed circle of each of the boundary cells has a diameter of not less than 0.5 mm. Further, an inscribed circle of an interior cell adjacent to the boundary cell also has a diameter of not less than 0.5 mm.

Abstract: A diesel soot filter includes a substrate having a surface disposed at least partially within a fluid path of the diesel soot filter. A glass catalyst is disposed on the surface of the substrate such that an exhaust gas contacts at least a portion of a surface of the glass catalyst as the exhaust gas moves within the diesel soot filter. The glass catalyst comprises a plurality of alkali metal ions disposed within the glass catalyst and releasable to the surface of the glass catalyst at a controlled rate and the alkali metal ions combust with the soot as the exhaust gas travels along the fluid path. An oxide basis of the glass catalyst comprises Silicon (Si), Potassium (K), Cesium (Ce), and Zirconium (Zr).

Abstract: Methods and systems are provided for at least one catalyst and an oxygen filter. In one example, a method may include filtering oxygen through the oxygen filter and flowing oxygen poor exhaust gas to a catalyst.

Abstract: An airflow system for a gas turbine system according to an embodiment includes: a compressor component of a gas turbine system; an airflow generation system for attachment to a rotatable shaft of the gas turbine system, the airflow generation system and the compressor component drawing in an excess flow of air through an air intake section; a mixing area for receiving an exhaust gas stream produced by the gas turbine system; an air extraction system for: extracting at least a portion of the excess flow of air generated by the airflow generation system and the compressor component to provide bypass air; and diverting the bypass air into the mixing area to reduce a temperature of the exhaust gas stream; and an exhaust processing system for processing the reduced temperature exhaust gas stream.

Abstract: Provided is: an oxidation catalyst having excellent ability to combust diesel fuel intermittently sprayed from a nozzle disposed in an exhaust pipe, the oxidation catalyst being incorporated into an exhaust gas purification device having a diesel particulate filter (DPF) or a catalyst soot filter (CSF) for collecting particulate matter from a diesel engine; and an exhaust gas purification device that uses the oxidation catalyst. An oxidation catalyst for exhaust gas purification in which a precious metal component is carried on an inorganic matrix, wherein the inorganic matrix is one or more inorganic oxides selected from the group consisting of alumina, titania, zirconia, silica, and silica-alumina, the oxidation catalyst being characterized in the use of a material in which the activation energy of diesel fuel combustion performance is 72 kJ/mol or less.

Abstract: An exhaust purification device for purifying exhaust gas flowing in an exhaust gas flow passage of an engine includes: a cylindrical casing; a pipe that is disposed on a downstream side of the casing and inserted in the casing so as to extend in a direction substantially orthogonal to an axial direction of the casing, the pipe being provided with a through-hole communicating with the casing; and an injector configured to inject a reducing agent from an upstream end of the pipe into the pipe, in which a contracting flow passage portion narrowing in an axial direction of the pipe from an upstream side toward the downstream side is formed in the exhaust gas flow passage in the casing.

Abstract: A method for operating a device configured to provide a dosed supply of a liquid. The device has: a pump delivering the liquid and having a pump housing having an inlet and an outlet, an eccentric on the pump housing, and a deformable diaphragm arranged between the pump housing and the eccentric. The deformable diaphragm and the pump housing delimit a delivery path from the inlet to the outlet and form at least one seal of the delivery path, the seal being displaceable along the delivery path by a movement of the eccentric to deliver the liquid. The method comprises: detecting a demanded dose amount of the liquid; activating the pump to deliver the liquid by the pump; stopping operation of the pump when the delivered amount of the liquid corresponds to the demanded dose amount; deactivating the pump when the eccentric is situated in a predefined park position.

Abstract: A dosing and mixing arrangement including an exhaust conduit defining a central axis; a mixing conduit positioned within the exhaust conduit; a dispersing arrangement (e.g., a mesh) disposed at the upstream end of the mixing conduit; an injector coupled to the exhaust conduit and configured to direct reactants into the exhaust conduit towards the mesh; and an annular bypass defined between the mixing conduit and the exhaust conduit for allowing exhaust to bypass the upstream end of the mixing conduit and to enter the mixing conduit downstream of the mesh.

Abstract: Provided is a gasket effectively suppressing heat transfer from an exhaust pipe with an injector retention section to a reducing-agent injector. The gasket includes a first plate to contact a retaining wall of the injector retention section, the first plate having a first opening allowing the reducing agent to be injected and a first bolt insert-through hole, a second plate disposed closer to the reducing-agent injector than the first plate, the second plate having a second opening allowing the reducing agent to be injected and a second bolt insert-through hole, and a spacing keeping member that retains a spacing between the first and second plates to form a heat insulation space therebetween. The heat insulation space has a shape allowing at least a part of the heat insulation space to communicate with the outside of the gasket between the first and second plates.

Abstract: This exhaust gas purification device (2, 102), comprising an upstream pipe (4), in which a first exhaust gas purification member (6) is housed, a downstream pipe (8) in which a second exhaust gas purification member (10) is housed, a mixing chamber (12) and an injection device (20) for a nitrogen oxide reducing product; is characterized in that the mixing chamber includes a first deflector member capable of channeling the flow of exhaust gas such that it flows through the jet of nitrogen oxide reducing product substantially perpendicular to the second deflector member (36, 56), the second deflector member being configured to form two swirling flows of a mixture of exhaust gas and nitrogen oxide reducing product; and in that the device further includes an element (54, 58) for protecting the second member (10) for purifying exhaust gas.

Abstract: An exhaust purification device includes an adding valve that adds an additive to exhaust gas. A first partition plate includes a first hole-formation region, which includes a main flow hole extending through a central portion and sub-flow holes surrounding the main flow hole, and a first hole-free region surrounding the first hole-formation region. A second partition plate located at a downstream side of the first partition plate includes a second hole-free region, which includes a portion overlapping the main flow hole, and a second hole-formation region surrounding the second hole-free region. An injector injects the additive in a circumferential direction of the first hole-free region from a position opposing the first hole-free region in the extending direction and opposing a projection of the first hole-formation region in a cross-sectional direction.

Abstract: Various embodiments of a waste heat recovery and conversion system are disclosed. The system may include a modular heat exchanger whose energy source is provided by waste heat energy transporting fluids transferring their energy to a working fluid. The working fluid may be in a liquid state contained in a reservoir hydraulically connected to a high-pressure heat transfer chamber. The high-pressure heat transfer chamber may be configured to receive thermal energy utilized to convert the working fluid into a superheated vapor.

Abstract: An exhaust gas purification device, including a diesel particulate filter (“DPF”) for collecting particulate matter contained in an exhaust gas, a forced regeneration unit or performing forced regeneration, a capacitance detection unit for detecting a capacitance of the DPF, a total accumulated amount estimation unit for estimating a total amount of accumulated particulate matter and ash collected in the DPF on the basis of the detected capacitance, and an ash accumulated amount calculation unit for calculating an amount of accumulated ash by using, as the amount of accumulated ash, the total amount of accumulation which is estimated when the forced regeneration finishes.

Abstract: A system and method are provided for testing and verification of an exhaust system. The system and method introduce a low pressure flow of gas into the exhaust system through an adaptor that fits into or about an exhaust pipe of the exhaust system. The low pressure gas can then be used, in the absence of engine noise, heat, and/or dangerous exhaust gases, to determine if one or more leaks exist in the exhaust system.

Abstract: An isolator mounting apparatus for supporting an exhaust component from a body portion of a vehicle via a hanger comprises an elastomeric isolator element having at least one aperture for receiving a portion of the hanger. An isolator bracket for receiving and supporting the isolator element includes a neck portion extending therefrom. A mounting element includes a pair of flanges. The flanges are secured to the isolator bracket with a fastener extending along longitudinal axis. The flanges engage the neck portion and prevent rotation of the isolator bracket about the longitudinal axis.

Abstract: In a work vehicle, an engine is mounted on an engine mounting face formed in an engine mounting member connected to a vehicle body frame. A gap is formed between a lower end of an engine hood covering the engine from above and the vehicle body frame. An air deflector is provided for guiding cooling air current flowing downwards along a side face of the engine toward the engine mounting face to the gap.

Abstract: An engine having a water jacket may include a cylinder block in which cylinder liners forming a combustion chamber may be disposed from a first end to a second end of the cylinder block, and a block water jacket may be formed around the cylinder liners, a cylinder head having a head water jacket coupled to a top of the cylinder block, receiving cooling water from an exhaust side of the block water jacket and discharging cooling water to an intake side of the block water jacket, and inserts that may be inserted into the block water jacket and that may have horizontal dividing blades dividing the block water jacket into upper and lower parts, legs extending downward from the horizontal dividing blades, and flow preventing protrusions protruding upward from the horizontal dividing blades to divide the upper part of the block water jacket.

Abstract: A coolant circuit is provided for an internal combustion engine having a compression machine for intake air. The coolant circuit includes a high-temperature circuit and a low temperature circuit. The high-temperature circuit is provided in order to cool the internal combustion engine by way of a coolant radiator and a first coolant pump arranged in the high-temperature circuit. The low-temperature circuit is provided with a second coolant pump in order to cool the intake air compressed by the compression machine by way of an intercooler and in order to cool a coolant of a coolant circuit in a condenser. The high-temperature circuit and the low-temperature circuit are cooling circuits which are separated from each other. The thermal base load of the low-temperature circuit is reduced by this design, whereby the pressure level in the coolant circuit can be reduced resulting positively in a reduction of the energy consumption.

Abstract: An adapter for an engine cooling system is provided. The adapter, includes a main pipe, having a first end coupled to a first degassing line connected to a high-temperature component, and a second end of coupled to a second degassing line connected to a reservoir tank. A branch pipe is branched from one side of the main pipe to be coupled to a third degassing line connected to the low-temperature component. An inner pipe is disposed at an interior circumference of the main pipe and has a diameter that is gradually reduced toward the reservoir tank.

Abstract: The present invention relates to a fuel injection method for a compression-ignition direct-injection internal-combustion engine comprising at least a cylinder (10), a cylinder head (12) carrying fuel injectors (14), a piston (16) sliding in the cylinder, a combustion chamber (34) delimited on one side by an upper face (44) of the piston comprising a projection (48) extending in the direction of the cylinder head and located in the center of a concave bowl (46) with at least two mixing zones (Z1, Z2). The injectors project fuel in at least two fuel jet sheets (36, 38) with different sheet angles (A1, A2). The injection into the combustion chamber with the fuel jets (40) by one sheet (36) is in a radial direction (C1) which forms a non-zero angle (b2) with the radial direction (C2) of fuel jets (42) of the other sheet (38). The oxidizer is admitted into the cylinder in a swirling motion with a swirl number less than or equal to 1.5.

Abstract: Methods and systems are provided for flowing a first coolant and a second coolant to a charge air cooler. In one example, a method may include flowing only a first coolant, flowing only a second coolant, or flowing a mixture of the first and the second coolants to the charge air cooler based on engine operating conditions. Further, the method may include adjusting additional engine operating parameters based on a ratio of the first coolant to second coolant flowing to the charge air cooler.

Abstract: A bottom surface of a housing recess of a turbine housing includes a close attachment portion in a continuous annular land shape, which is located radially outside a fitting recess. The close attachment portion is closely attached to a portion radially outside first support holes in a surface of a shroud ring opposite from its facing surface, by a fastening force of attachment bolts. The first support holes in the shroud ring communicate with an outlet side of a turbine impeller through a connection path and a cutout.

Abstract: A vehicle includes a transmission including an input shaft linked to a crankshaft of an engine so that power is transmitted therebetween, and an output shaft which is able to rotate at a rotational speed lower than a rotational speed of the input shaft. The snowmobile includes a driving device linked to the output shaft so that power is transmitted therebetween to generate a driving power, a supercharger including a rotation shaft linked to the output shaft so that power is transmitted therebetween, and a centrifugal clutch located between the crankshaft and the input shaft or between the output shaft and the rotation shaft.

Abstract: A rotating piston internal combustion engine including a housing which includes a housing wall that forms an operating chamber, and in which housing a rotatable rotating piston is arranged which extends through the operating chamber and moves edges of the rotating piston along the housing wall that forms a running surface, wherein a portion of the operating chamber functions as a combustion chamber together with an associated combustion chamber wall for igniting a fuel that is arranged in the operating chamber, characterized in that at least one microwave window is arranged in the combustion chamber wall, wherein a device for injecting microwave energy in a form of microwaves into the combustion chamber of the operating chamber is arranged at a side of the microwave window that is oriented away from the combustion chamber.

Abstract: A system a first mobile body configured to support a turbine engine and an auxiliary skid communicatively and fluidly coupled to the turbine engine. The auxiliary skid includes one or more interconnects configured to support a turbine engine component. The system also includes a second mobile body configured to support a generator. The first and second mobile bodies are configured to align a removable coupling between the turbine engine and the generator.

Abstract: The present disclosure describes a micro gas turbine flameless heater, in which the heat is generated by burning fuel in a gas turbine engine, and the heater output air mixture is generated by transferring the heat in the gas turbine exhaust to the cold air drawn from the ambient environment. The present disclosure also describes component geometries and system layout for a gas turbine power generation unit that is designed for simple assembly, disassembly, and component replacement. The present disclosure also allows for quick removal of the rotating components of the gas turbine engine in order to reduce assembly and maintenance time. Furthermore, the present disclosure describes features that help to maintain safe operating temperatures for the bearings and structures of the gas turbine engine power turbine.

Abstract: An air intake for efficiently channeling a flow of ambient air toward an air inlet of a turboprop or turboshaft gas turbine engine is disclosed. The air intake comprises an intake inlet for receiving the flow of air, an intake duct for channelling the flow of air, and an intake outlet for discharging the flow of air toward the air inlet of the gas turbine engine. The air intake may comprise a scroll portion and a strutted portion configured to receive the flow of air from the intake duct and channel the flow of air toward the intake outlet. The strutted portion may comprise one or more vanes for interacting with the flow of air. The intake duct may be oriented toward a flow direction of the air pushed aft by a propeller coupled to the gas turbine engine.

Abstract: A cooling structure for a gas turbine engine comprises a gas turbine engine structure defining a cooling cavity. A cooling component is configured to direct cooling flow in a desired direction into the cooling cavity. A bracket supports the cooling component and has an attachment interface to fix the bracket to the gas turbine engine structure. A first orientation feature associated with the bracket. A second orientation feature is associated with the gas turbine engine structure. The first and second orientation features cooperate with each other to ensure that the cooling component is only installed in one orientation relative to the gas turbine engine structure. A gas turbine engine and a method of installing a cooling structure are also disclosed.

Abstract: An ignition system for a combustor of a gas turbine engine is disclosed. The ignition system may include an igniter operatively associated with the combustor, and an electrode operatively associated with the combustor and spaced from the igniter, wherein an electrical potential is created between the igniter and the electrode to produce an electric arc therebetween.

Abstract: A solid state spark device that operates as a two terminal spark gap in a CDI exciter of an aircraft ignition system. The device includes a triggering transformer, a triggering circuit, and a control circuit. The triggering circuit is electrically connected to a first coil of the transformer and includes circuit elements connected to supply current to the first coil upon charging of the triggering circuit up to a triggering voltage. This current through the first coil of the triggering transformer induces an output in a second coil of the transformer. The control circuit is electrically connected to the second coil and includes a switch controlled by the output from the second coil. The switch, when activated by the triggering circuit, discharges energy from the exciter into an igniter of the aircraft ignition system.

Abstract: A shaft seal system which is disposed axially between a first chamber and a second chamber is disclosed. The shaft seal system includes a shaft, a casing that surrounds the shaft, and a seal which is disposed axially closer to the second chamber where the first chamber has a fluid and the second chamber is to be protected from the fluid. In this arrangement, the seal includes a pressure booster.

Abstract: A gas turbine engine typically includes a fan section, a compressor section, a combustor section and a turbine section. A speed reduction device such as an epicyclical gear assembly may be utilized to drive the fan section such that the fan section may rotate at a speed different than the turbine section so as to increase the overall propulsive efficiency of the engine. In such engine architectures, a shaft driven by one of the turbine sections provides an input to the epicyclical gear assembly that drives the fan section at a speed different than the turbine section such that both the turbine section and the fan section can rotate at closer to optimal speeds providing increased performance attributes and performance by desirable combinations of the disclosed features of the various components of the described and disclosed gas turbine engine.

Abstract: An annular airflow control system for a gas turbine engine includes a sync ring rotatable to move a multiple of contra-rotating variable vanes between an open position and a closed position to throttle an airflow through said multiple of contra-rotating variable vanes.

Abstract: In an embodiment, a method includes performing a turbine combustor diagnostic routine including operating a first turbine combustor of a plurality of turbine combustors at a substantially steady state of combustion; adjusting an operational parameter of the first turbine combustor to cause a change in combustion products produced by the first turbine combustor; identifying a first sensor response of a first subset of a plurality of sensors disposed within or downstream from a turbine fluidly coupled to the turbine combustor, the first sensor response being indicative of the change in the combustion products, and wherein the first subset comprises one or more first sensors; correlating the first subset of sensors with the first turbine combustor; and diagnosing a condition of the first subset of the plurality of sensors, the first turbine combustor, or a combination thereof, based on the first sensor response.

Abstract: An engine-driven electricity generation system can selectively use diesel and LNG as fuel by recycling a diesel engine from a scrapped vehicle and heats intake air with an electric heater to start an engine using LNG and then heats the intake air using heat from a high-temperature exhaust gas after starting the engine, thereby accelerating ignition of LNG.

Abstract: A method for reprogramming an automotive device writes a programming sequence to a transponder read/write memory, interfaces the transponder with at least one vehicle system while the at least one vehicle system is installed in a vehicle, and transfers the programming sequence to the at least one vehicle system.