Abstract: A vane-type camshaft adjuster (1) including a rotor (2) which has radially projecting vanes (3) and forms vane cells (5) along with a stator (4) rotatably accommodating the rotor (2), each vane cell (5) being subdividable by a vane (3) into two adjustable chambers provided for holding hydraulic fluid; a hydraulic fluid-controlling device (12) for conducting hydraulic fluid is disposed and/or connected between the chambers (6, 7) in such a way that a drop in pressure in the chambers (6, 7) caused or reinforced by camshaft switching moments occurring during operation is used to open the hydraulic fluid-controlling device (12) such that fluid flows therethrough.

Abstract: A controller sets a target hydraulic pressure from a required hydraulic pressure of a hydraulically operated device according to an operating condition of an engine. The controller causes an oil control valve to perform feedback control of the discharge amount of an oil pump in such a manner that an actual hydraulic pressure detected by a hydraulic pressure sensor coincides with the target hydraulic pressure. The controller executes feedback control after executing fixed duty control of setting a duty ratio of the oil control valve to a fixed duty ratio for a predetermined period of time from start of the engine.

Abstract: Disclosed is an apparatus of adjusting valve timing for internal combustion engine configured to adjust at least one valve timing of an intake valve and an exhaustive valve by torque of a cam shaft and pressure of working fluid, and a method thereof. The method of the present disclosure is such that a rotor is embedded with a hydraulic control valve configured to operate a locking pin member, and the hydraulic control valve is so configured as to have various control positions in order to supply or discharge working fluid in response to engine emergency stop or start and normal engine operational state whereby locking and releasing operations are realized with accurate responsiveness and reliability due to smaller working fluid through a passage and an engine performance can be improved by adjusting the valve timing.

Abstract: Some embodiments are directed to a valve assembly for use with a combustion engine. The valve assembly can include a valve stem having a plunger end, and a valve head having a stem portion disposed along a central axis and connected to the plunger end of the valve stem. The valve head can have a hollow interior portion defining interior floor and ceiling surfaces, and include ribs that extend between the interior floor and ceiling surfaces. The ribs can also extend radially around the central axis of the valve head from the stem portion to an outer circumference of the hollow interior portion. Additionally, the ribs can be configured such that a majority of an upper surface of each rib contacts the ceiling surface.

Abstract: A method for manufacturing a poppet valve 10 from an intermediate valve products is disclosed. The intermediate valve products have an intermediate valve head 14? with a pressing protrusions 15. A peak 15a of the pressing protrusions 15 is located in a normal direction X2 of the seat surface N, which is positioned on a normal line X2 passing a reference point P3 set on a line segment K connecting a base point P1 in an inner side and a base point P2 in an outer side of the seat surface N; a position of the reference point P3 is set such that a relation between a length L1 from the base point P1 to the reference point P3 and a length L2 from the base point P2 to the reference point P3 meets a formula of L1/L2?0.5.

Abstract: An active chamber engine, includes at least one piston (2) slidingly mounted in a cylinder (1) and operating according to a three-phase thermodynamic cycle including an isobaric and isothermal transfer, a polytropic expansion with work and an exhaust at ambient pressure, which is preferably supplied with compressed air contained in a high-pressure storage tank (12), in which the volume of the cylinder (1) swept by the piston is divided into an active chamber (CA) and an expansion chamber (CD), and in which the compressed air is used to move the intake valve (9) in order to open and then close the intake duct, making it possible to supply the active chamber of the engine, the compressed air having been used for the actions then being reused in the engine to produce additional work.

Abstract: An internal combustion engine includes a camshaft, a cylinder head, a head cover, a high-pressure pump, and a vacuum pump. The high-pressure pump includes a plunger that abuts against a cam provided on the camshaft. The high-pressure pump is configured to be driven by rotation of the cam such that oil that has lubricated abutting portions of the cam and the plunger collides with an inside wall of the head cover. The vacuum pump is mounted to the cylinder head. The vacuum pump is configured to draw in air from an inlet and discharge an oil mist with air from an outlet. The outlet is arranged such that the oil mist with air from the outlet is discharged into a space where an oil mist formed by a spray of oil that has collided with the inside wall of the head cover stagnates.

Abstract: An exemplary monitoring assembly includes a sensor that provides a first output when a lubricant reservoir holds a first amount of a contaminant, and a different, second output when the lubricant reservoir holds a different, second amount of the contaminant. A lubrication system monitoring controller operatively coupled to the sensor and configured to initiate a maintenance mode in response to the second output.

Abstract: There is provided a CPAP device in which an outflow sound of air is reduced while size reduction/weight reduction is maintained. The CPAP device includes a blower unit 10 which houses a turbofan 50 to draw in air and sends out the air and in which an air outflow opening to allow the air sent out from the turbofan 50 to flow out is formed, and a silencer 60 which is attached to one end of a hose 70 to feed the air flowing out from the air outflow opening to a mask 200 attached to a patient, is attachably and detachably attached to the air outflow opening of the blower unit 10 and reduces the outflow sound of the air flowing out from the air outflow opening, and the silencer 60 includes a regulating plate 69.

Abstract: An exhaust gas system for an internal combustion engine includes a first exhaust gas line leading into a first muffler; a second exhaust gas line arranged fluidly parallel to the first exhaust gas line and leading into a second muffler, wherein the first and second exhaust gas lines are respectively connected upstream of the first and second muffler at a branch to a common exhaust gas feed line; a control valve arranged in the first exhaust gas line upstream of the first muffler; and a damping device fluidly arranged between the branch and the control valve and adapted for damping exhaust gas resonance vibrations.

Abstract: An apparatus and method for cleaning ash/soot and other particulates from diesel particulate filters (DPF), including diesel oxidative catalysts (DOC) and similar exhaust components. Section for dry and wet cleaning include conduits that connect to the filters. For dry cleaning, a filter is mounted clean side up and air pressure is applied in opposite directions so that the particulate is dislodged and falls out. For wet cleaning, the filter is floated with a slug of liquid cleaning solution which is surged back-and-forth through the filter to dislodge and remove the particulate. The dry and wet cleaning sections may be combined or collocated, or may be located separately or used one without the other.

Abstract: Method and system for removal of soot, ash and heavy metals, and optionally additionally NOx and SOx being present in exhaust gas from an engine operated on heavy fuel oil.

Abstract: An exhaust emission control apparatus for an engine includes an ECU. The ECU is configured to: execute particulate matter removal control by controlling the engine such that a temperature of a particulate filter is increased to a predetermined PM removal temperature in order to reduce an amount of particulate matter collected in the particulate filter; and when the ECU determines that the amount of particulate matter collected in the particulate filter is smaller than or equal to a predetermined set collection amount, execute ash desorption control by controlling the engine such that the temperature of the particulate filter is increased to a predetermined ash desorption temperature and is kept at the ash desorption temperature or higher in order to reduce an amount of ash deposited in the particulate filter. The ash desorption temperature is a temperature suitable for converting the ash into calcium oxide.

Abstract: A method and apparatus are disclosed for controlling the operation of an aftertreatment system for a motor vehicle having a Lean NOx Trap and a tail pipe for conveying exhaust gasses from the LNT to the external environment. Values are calculated for a NOx content in the exhaust gasses flowing in the tail pipe and the quantity of NOx stored in the LNT. A DeNOx request index is calculated as a function of these values. A raw threshold value of the DeNOx request index is calculated as a function of a LNT temperature and of an exhaust gas mass flow. A corrected threshold value of the DeNOx request index is calculated as a function of the raw threshold value of the DeNOx request index and of a correction factor. A DeNOx regeneration is initiated when the calculated value of the DeNOx request index is larger than the corrected threshold value.

Abstract: The subject matter of the disclosure relates to a method of diagnosing NOx storage catalyst during the operation of a motor vehicle. The method uses two diagnosis sub-methods having various sensitivities with respect to sulfur contamination of the NOx storage catalyst. The results of the two sub-methods are used to ascertain proportions of aging of the NOx storage catalyst resulting from thermal aging and sulfur contamination.

Abstract: An exhaust gas assembly includes an exhaust gas tube configured to receive an exhaust gas from the internal combustion engine, which includes at least one cylinder. An oxidation catalytic device may be operatively connected to the exhaust gas tube and includes a catalyst. A first temperature sensor is operatively connected to the oxidation catalytic device. A controller is operatively connected to the first temperature sensor. A hydrocarbon injector is operatively connected to the controller and configured to selectively inject an amount of hydrocarbon at a hydrocarbon injection rate. The controller includes a processor and tangible, non-transitory memory on which is recorded instructions for executing a method of controlling the hydrocarbon injection rate. The controller may be programmed to limit the hydrocarbon injection rate based at least partially on a combination of space velocity, temperature of the catalyst in the oxidation catalytic device and temperature of a particulate filter.

Abstract: An internal combustion engine is provided, which includes at least one combustion chamber, and a turbocharger with an exhaust gas turbine and an exhaust gas after-treatment device. The exhaust gas after-treatment device has a first catalytic converter arranged aerodynamically between the at least one combustion chamber and the exhaust gas turbine. A second catalytic converter is arranged aerodynamically between the first catalytic converter and the exhaust gas turbine, and at least one partial oxidation chamber is arranged aerodynamically between the first catalytic converter and the second catalytic converter. Also provided is a method for reducing exhaust gas emissions of an internal combustion engine.

Abstract: A method for improving automobile exhaust is disclosed. A catalytic converter is cooled down. The outer surface of the catalytic converter is covered with an infrared thermal radiation material, or black anodizing is carried out on the outer surface. Therefore, the surface thermal radiation of the catalytic converter is improved, and the catalytic converter can be kept being operated under a normal working temperature.

Abstract: An injection device for administering a reagent into an exhaust passage of an internal combustion engine, the injection device having an axis along its length and comprising an outwardly opening valve member having a seating surface which is engageable with a valve seating region. A seating member provided with an internal bore which defines the valve seating region, wherein the internal bore further defines a flow re-directing region downstream of the valve seating region. The seating member has an end face provided with a feature which intersects with at least a portion of the flow re-directing region to define, together with the flow re-directing region, a spray path for reagent exiting the injection device when the valve member is moved outwardly from the bore away from the valve seating region. The spray path has a variable spray angle, relative to the axis, around the circumference of the valve seating region.

Abstract: An SCR exhaust aftertreatment device of an internal combustion engine, containing an injector for injecting a reductant, a mixing unit and an SCR catalytic converter disposed immediately downstream in the direction of exhaust flow, wherein the mixing unit exhibits a swirl element and an impact element positioned upstream of the swirl element in the direction of exhaust flow, whereby the swirl element is configured of two guide elements disposed inside one another and swirl vanes for creating a swirling motion are disposed in an inner guide element and swirl vanes, which create a counterswirling motion, are disposed between the inner guide element and the outer guide element.

Abstract: A power generator includes thermoelectric transducers configured so that the band gap energy of an intrinsic semiconductor part disposed between an n-type semiconductor part and a p-type semiconductor part is lower than each band gap energy of the n-type semiconductor part and the p-type semiconductor part. The power generator is used in a vehicle that includes an exhaust pipe in which exhaust gas that supplies heat to the thermoelectric transducers flows. The thermoelectric transducers are installed in the exhaust pipe in such a manner that the surface of the intrinsic semiconductor part is opposed to the flow of the exhaust gas.

Abstract: An exhaust gas control system for an internal combustion engine, before execution of a filter regeneration process, executes a pre-regeneration process that is a process of raising a temperature of a filter to a second target temperature lower than a first target temperature and increasing the concentration of NO2 contained in exhaust gas flowing into the filter for a predetermined period. An execution time of the filter regeneration process when a physical quantity that correlates with a speed of change in a detected value of a differential pressure sensor during execution of the pre-regeneration process is large is shorter than an execution time of the filter regeneration process when the physical quantity is small.

Abstract: An exhaust gas control system for an internal combustion engine, before execution of a filter regeneration process, executes a pre-regeneration process that is a process of raising a temperature of a filter to a second target temperature lower than a first target temperature and increasing the concentration of NO2 contained in exhaust gas flowing into the filter for a predetermined period. The first target temperature during execution of the filter regeneration process in the case where a speed of change in a detected value of a differential pressure sensor during execution of the pre-regeneration process is high is set so as to be lower than the first target temperature in the case where the speed of change is low.

Abstract: A radio frequency system and method for monitoring an engine-out exhaust emission constituent. The system comprises a housing containing the emission constituent, one or more radio frequency sensors extending into the housing and transmitting and receiving radio frequency signals, and a control unit for controlling the radio frequency signals and monitoring changes in the emission constituent based on changes in one or more parameters of the radio frequency signals. In one embodiment, the control unit measures a rate of change in one or more of the parameters of the radio frequency signals for monitoring a rate of change of the emission constituent including for example the emission rate, accumulation rate, and/or depletion rate of the emission constituent.

Abstract: A particulate sensor (10, 310) includes a flow channel forming body (25, 60, 65, 360, 365) forming a sensor internal flow channel SGW through which a gas under measurement EGI flows. The particulate sensor electrifies particulates S contained in the gas under measurement flowing through the sensor internal flow channel and detects the particulates S. The flow channel forming body (25, 60, 65) includes an inner metal tube (60, 360) and an outer metal tube (65, 365) surrounding the inner metal tube (60) from a radially outward side GDO. A tubular inter-tube gap IW between the inner metal tube and the outer metal tube forms at least a portion of the sensor internal flow channel SGW. The particulate sensor includes a heater member (100) for heating at least one of the inner metal tube and the outer metal tube.

Abstract: An exhaust system for an internal combustion engine comprises a lean NOx trap, a NOx storage and reduction zone on a wall flow monolithic substrate having a pre-coated porosity of 50% or greater, the NOx storage and reduction zone comprising a platinum group metal loaded on one or more first support, the or each first support comprising one or more alkaline earth metal compound, and a selective catalytic reduction zone on a monolithic substrate, the selective catalytic reduction zone comprising copper or iron loaded on a second support, the second support comprising a molecular sieve.

Abstract: An exhaust system for an internal combustion engine is provided. The exhaust system includes an exhaust manifold receiving exhaust gas from a cylinder, an emission control device positioned downstream of the exhaust manifold, an electric heating device positioned in an exhaust line upstream of the emission control device and downstream of the exhaust manifold, the electric heating device including a frame at least partially surrounding a heating element, and an adjustment device configured to, during operation of the internal combustion engine, adjust the drag generated by the electric heating device in an exhaust gas flow through the exhaust line.

Abstract: Methods and systems are provided for thermally insulating an integrated exhaust manifold for a cylinder head of an applied-ignition, liquid-cooled internal combustion engine. In one example, a method may include regional insulation at a collection point where individual exhaust lines and/or partial exhaust lines merge to form an overall exhaust line within the cylinder head. The regional insulation may be formed integrally with a seal and coupled to an outlet flange of the cylinder head and may include a series of tongue-like projections that extend from the cylinder head outlet flange toward the cylinder exhaust lines.

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: A piston with a cooling gallery containing an open cell radiator is provided. The radiator has a large thermally conductive surface area that acts as a heat-sink to remove heat from the piston. Heat from the piston is transmitted from the radiator to cooling oil that enters the cooling gallery via an oil inlet formed in a floor of the cooling gallery and exits the cooling gallery via an oil outlet. The piston comprises a piston body including an upper part presenting an upper combustion surface and an undercrown surface. A ring belt depends from the upper combustion surface, and the cooling gallery extends around the piston body beneath the undercrown surface radially inwardly of the ring belt. The radiator includes a plurality of fins extending annularly around the cooling gallery. The fins of the radiator are spaced from one another by gaps extending annularly around the cooling gallery.

Abstract: A refrigerant control valve device includes: a spherical rotor having an opening and rotating about a rotation axis; a housing including at least one circumferential port, and an axial port, the housing allowing a refrigerant to flow therein and the rotor being accommodated in the housing; at least one hole formed in the rotor and allowing the internal space of the rotor and the circumferential port to communicate with each other when the rotor rotates; a ring-shaped seal member installed coaxially with the circumferential port; a biasing member applying a biasing force to the seal member; a packing body provided between the housing and an outer diameter portion of the seal member; and a fixing member holding the packing body with the housing in a direction in which the circumferential port extends.

Abstract: The invention relates to a coolant pump having an impeller which is arranged on a pump impeller shaft and having a drive device for the impeller, which drive device has a mechanical drive and an electric-motor drive. The impeller shaft is divided into a driving section and a driven section, and an openable and closable clutch is arranged between the driving section and the driven section. Operation of the coolant pump by either the mechanical drive or the electric-motor drive can be dependent upon a predetermined speed of threshold of rotation of the impeller, and/or upon a predetermined power usage threshold.

Abstract: A chiller system includes an intercooler configured to cool compressed charge air received from a turbocharger or a supercharger; a low temperature cooling circuit fluidly coupled to the intercooler, the low temperature cooling circuit circulating a coolant to provide cooling to the intercooler and including a low temperature radiator configured to cool the first coolant; and an air conditioner circuit circulating a refrigerant and having a primary circuit and an evaporator bypass circuit. A chiller is thermally coupled to the low temperature cooling circuit and the bypass circuit. A chiller shut off valve is configured to be controlled to be selectively opened to provide refrigerant to the chiller to further cool the coolant in the low temperature cooling circuit after the coolant is cooled by the low temperature radiator, thereby providing increased cooling to the intercooler and the compressed charge air to increase engine performance.

Abstract: A pressure wave supercharger for compressing fresh air for an internal combustion engine comprises a cold gas housing, a hot gas housing, and a rotor casing which is arranged therebetween and inside which a rotatable cell rotor is disposed; the hot gas housing comprises a high-pressure exhaust gas duct and a low-pressure exhaust gas duct, while the cold gas housing comprises a fresh air duct and a charge air duct; the high-pressure exhaust gas duct, the low-pressure exhaust gas duct, the fresh air duct and the charge air duct are fluidically connected to the cell rotor; the hot gas housing comprises a first bearing, and the cold gas housing comprises a second bearing; the cell rotor comprises a rotor shaft that is mounted in the first and second bearings; and the hot gas housing comprises a heat exchanger which is designed in such a way that at least the first bearing can be cooled.

Abstract: A pressure wave supercharger for compressing fresh air for an internal combustion engine, comprising a cold gas housing, a hot gas housing, and a rotor casing which is arranged therebetween and inside which a rotatable cell rotor is disposed; the hot gas housing comprises a high-pressure exhaust gas duct and a low-pressure exhaust gas duct, while the cold gas housing comprises a fresh air duct and a charge air duct; the high-pressure exhaust gas duct, the low-pressure exhaust gas duct, the fresh air duct and the charge air duct are fluidically connected to the cell rotor; the cold gas housing comprises a cell rotor bearing, the cell rotor is connected to a rotor shaft that is mounted in the cell rotor bearing, and the cell rotor is split in the direction in which the rotor shaft extends and comprises at least one first cell rotor part and a second cell rotor part.

Abstract: A compressor includes a compressor housing defining a cavity, and a compressor wheel disposed in the cavity, the compressor housing defining an inlet for leading air into the compressor wheel, a discharge volute for receiving air compressed by the compressor wheel, and a recirculation duct connected to the inlet at a location upstream of the compressor wheel. A recirculation valve is disposed between the discharge volute and the recirculation duct for regulating air flow through the recirculation duct into the inlet. The recirculation duct defines multiple parallel channels, the multiple parallel channels respectively conducting multiple parallel streams of air from the recirculation valve into the inlet.

Abstract: The present invention is a device for controlling a quantity of air introduced into an inlet of a boosted internal combustion engine with the engine having exhaust gas outlets each connected to an exhaust manifold of at least one cylinder. The device includes a boosting device comprising a turbocharger having a turbine with intakes connected to the exhaust gas outlets, an external-air compressor and a duct for partially transferring the compressed air from the compressor to the intakes. The partial transfer duct has branches connected to the turbine intakes which each have valve regulation for controlling circulation of compressed air in the branches.

Abstract: A supercharger system includes an impeller, a compressor housing, an input shaft, an input pulley assembly, and a freewheel clutch. The impeller is for acquiring air. The compressor housing surrounds at least a portion of the impeller so as to direct the acquired air toward an internal combustion engine. The input shaft is configured to rotate the impeller. The input pulley assembly is configured to drive the input shaft and interface with a serpentine belt that is associated with the power source. The input pulley is configured to rotate in a primary direction correlating with rotation of the serpentine belt in the primary direction. The freewheel clutch is configured to interface with an input shaft of the supercharger, wherein the freewheel clutch prevents rotation in a reverse direction that is opposite the primary direction.

Abstract: A system includes a hybrid power plant controller programmed to receive a plurality of signals representative of one or more operating parameters of a hybrid power plant. The hybrid power plant includes at least one gas turbine engine, at least one gas engine, and at least one catalyst system. The hybrid power plant controller is programmed to utilize closed-loop optimal control to generate one or more operational setpoints based on the one or more operating parameters for the hybrid power plant to optimize performance of the hybrid power plant. The hybrid power plant controller uses closed-loop optimal control to provide the one or more operational setpoints to respective controllers of the at least one gas turbine engine, the at least one gas engine, and the at least one catalyst system to control operation of the gas turbine engine, the gas engine, and the catalyst system.

Abstract: Disclosed are four-stroke internal combustion engines and engine modules. The engine modules described herein convert linear reciprocating motion of a piston within a cylinder to rotational motion of a flywheel, which rotates around the cylinder's axis, or to rotational motion of the cylinder, which rotates within the flywheel. The linear reciprocating motion of the piston causes rotation of the flywheel or cylinder by piston pins being pushed down a sloped, spiraling surface of the flywheel, resulting in highly efficient power transfer. The rotational motion is transferred through a final drive, such as a drive shaft, drive train or drive chain. Engines described herein may include pairs of engine modules.

Abstract: An assembly including a connecting rod, a bushing, and a locking pin capable of providing different compression ratios in an engine is provided. The bushing is disposed in a bore of the connecting rod. An outer surface of the bushing includes a pair of notches, and an inner surface of the connecting rod includes a corresponding notch for receiving the locking pin. The notches are spaced from one another by greater than 180° and by no more than 190°. The locking pin is movable in the notch, allowing the bushing to rotate from a low compression position to a high compression position, or vice versa. The bushing has a varying thickness, and thus a center axis of an opening of the bushing is closer to the shaft of the connecting rod body when the bushing is in the low compression orientation than in the high compression orientation.

Abstract: An engine comprises a crankcase and a crankshaft. The crankshaft has a central main portion, a crankpin and a crankshaft web. A crank member is rotatably and eccentrically mounted on the crankpin. An external crank member gear meshes with an external drive shaft gear. A driven portion of the drive shaft is located at a side of the crankshaft web which is opposite to its side where the crankpin is located and is drivably coupled via a first transmission to an intermediate member which is rotatably mounted to the crankshaft. The intermediate member is drivably coupled to a control shaft portion of a control shaft via a second transmission which control shaft portion is located at axial distance of the driven portion of the drive shaft and the control shaft is rotatable at a fixed rotational position with respect to the crankcase under operating conditions at fixed compression ratio.

Abstract: The present invention relates to a vehicle engine-washing apparatus and a washing method using the washing apparatus, and more particularly, to a vehicle engine-washing engine for washing the inside of vehicle engine, which apparatus includes a hollow operation tube; a guide part having a body inserted into a tip portion of the operation tube and formed with a through-hole, and a leading-in tube formed on the body in such a manner as to communicate with the through-hole; a holder fitted on and fixed to an outer circumferential surface of the operation tube and having a tapered part and an engagement panel formed at an end of the tapered part; an end cap fitted to a terminal end portion of the operation tube and formed with an operation hole; an operation rod inserted through the operation hole of the end cap and having a coupling protrusion formed at one end of the operation rod and a coupling groove formed at the other end; a hollow connection socket disposed in the operation tube, the other end portion of t

Abstract: A gas turbine (100) of the present invention is a gas turbine which uses a hydrogen gas as a fuel, and comprises a combustor (20) which includes a fuel injection nozzle (23), and has a combustion chamber (24) in an interior of the combustor; a steam supply unit (40) which supplies steam to the combustor (20) to decrease a combustion temperature; and an air drier (50) which removes the steam from air to be supplied to the combustor (20) to dry the air.

Abstract: An aeronautical propulsion system including a turbine engine having a fan and an electric motor drivingly coupled to at least one of the fan or the turbine engine. The aeronautical propulsion system additionally includes a fuel cell for providing electrical energy to the electric motor, the fuel cell generating water as a byproduct. The aeronautical portion system directs the water generated by the fuel cell to the turbine engine during operation to improve an efficiency of the aeronautical propulsion system.

Abstract: A method and apparatus for separating particles from an inlet airflow of a turbine engine has a centerbody with a radially outer scavenge conduit. The inlet airflow has entrained particulate matter, which can impact an impact surface defining part of the centerbody. The impact surface can be disposed at an angle or have a low coefficient of restitution to reduce the velocity of the incoming particulate matter. The particulate matter is radially diverted radially outward through the scavenge conduit, unable to make a turn defined by the shape of the centerbody.

Abstract: An inlet assembly for a high-mach engine includes a gas turbine core, an inlet turbine, and a core-flow director. When in a closed position, the core-flow director forces air to interact with the inlet turbine before entering the gas turbine core.

Abstract: An oil system of a turbine engine and a method for driving an oil pump of such oil system are disclosed. In various embodiments, the oil system comprises an oil pump for fluid communication with one or more lubrication loads of the turbine engine, a first source of motive power and a coupling device. The first source of motive power is drivingly engaged to the oil pump for driving the oil pump during a first mode of operation. The coupling device is configured to drivingly disengage a second source of motive power from the oil pump during the first mode of operation and drivingly engage the second source of motive power with the oil pump to drive the oil pump during a second mode of operation.

Abstract: A tubular fin heat exchanger is provided with an integrated fan within the confines of a duct assembly. The tubular heat exchanger provides a structure and pathway to minimize space and weight of the integrated heat exchanger into the gas turbine engine.

Abstract: A cooling arrangement (100), including: a substrate having a pocket (24) defined by a rib side surface (28) and a bottom surface (26); a feature (112) formed in the rib side surface; and an impingement plate (102). In an installed configuration (116) a resilience of the impingement plate enables an interference between the impingement plate and the feature that locks the impingement plate in an installed position (118). An elastic compression of the impingement plate from the installed configuration eliminates the interference.