Abstract: A cartridge for use in a pulse energy enhanced turbine of a turbocharger. At least first and second fixed separating blades (12) are provided between a nozzle ring (6) and a disk (29), the separating blades (12) maintaining separation of exhaust gas flows through a guide grid between a divided volute and a turbine wheel (11).

Abstract: Methods and systems for identifying rub events of a gas turbine engine are provided. In one exemplary aspect, one or more power level changes of the turbine engine are identified from engine operating data. For a particular identified power level change, a magnitude of the power level change and a rate of the power level change are calculated. The calculated magnitude and rate of the given power level change define a data point that is plotted on a chart of the magnitude versus the rate of power level change. The data points are filtered based on one or more operating parameters, such as flight phase, to obtain a severity threshold specific to the operating conditions of the engine/aircraft at the time the power level change was performed. One or more data points are then compared to the severity threshold to identify possible rub events.

Abstract: The method allows to detect flameout in a combustor of a turbine system; it comprises the steps of: A) measuring angular acceleration of a shaft of the or each turbine of the turbine system, B) calculating a flameout indicator as a function of the angular acceleration, and C) carrying out a comparison between the flameout indicator and at least one threshold.

Abstract: A soft wall containment system having a casing, a liner system, a containment blanket, and a barrel including multiple features is provided. The soft wall containment system may selectively be installable in a gas turbine engine having a turbine with multiple airfoils. The barrel features may be disposed outboard of the airfoils. The casing barrel may have a first thickness, the casing barrel features may have a second thickness, and the first thickness may be greater than the second thickness. Additionally, the features may be slots that extend through the thickness of the barrel.

Abstract: The method is used for detecting one failure in a burner of a combustor of a turbine system; the combustor comprises a plurality of burners arranged annularly; the turbine system comprises a turbine downstream of the combustor, the method comprising the steps of: A) providing a plurality of temperature sensors arranged annularly at the outlet of the turbine, B) detecting a plurality of temperatures through the plurality of temperature sensors, C) calculating a temperature spread indicator as a function of the plurality of temperatures, and D) carrying out a comparison the temperature spread indicator and a threshold; a positive result of this comparison indicates a burner failure.

Abstract: A turbocharger has a turbine for expanding a first medium and a compressor for compressing a second medium utilizing energy extracted in the turbine. The turbine includes a housing with a turbine inflow housing and a turbine rotor. The compressor has a compressor housing and a compressor rotor coupled to the turbine rotor via a shaft. The turbine inflow housing is constructed in a spiral-like, one-piece and double-walled manner such that between an outer wall of the turbine inflow housing and an inner wall of the turbine inflow housing a water duct for conducting cooling water is formed. The inner wall delimiting the water duct on a side of the inner wall facing away from the water duct is directly followed by a guide duct of the first medium to be expanded.

Abstract: A sleeve is provided for supplying lubricant to an inter-shaft bearing mounted between co-axially mounted inner and outer shafts of a gas turbine engine. The sleeve has a sleeve annular outer surface and a sleeve annular inner surface. At least one lubricant supply connecting member extends from the sleeve outer surface for connection to a lubricant supply. At least one sleeve channel fluidly links the sleeve annular inner surface to the lubricant supply connecting member.

Abstract: A housing for retention of the outer race of a bearing of a gas turbine engine includes an arrangement of spring fingers that yields a lightweight housing capable of withstanding very high radial loads combined with very high torsional windup and axial thrust load. Controlled circumferential gaps on both sides of each spring finger limit the deflection and self-arrest the distortion of the housing. The spring fingers define at least one side edge that extends at an angle relative to the axial direction. An axial gap is created on the aft end by a portion of the spring finger beam structure that opposes an axial face of the housing and limits the axial distortion. A radial gap created between interface hardware of the housing and the inner retention housing also acts to retain the spring finger housing under load in a radial direction.

Abstract: Described is a shaft support system for a gas turbine engine comprising: a rotatable fan shaft; first and second support structures extending in parallel from the shaft to a load bearing structure to provide radial location of the shaft within an engine casing, wherein the first support and second support structures include first and second respective mechanical fusible joints; wherein the first fusible joint is a two-stage fuse which partially fails within a first predetermined load range, the second fusible joint fails within a second predetermined load range which is different to the first load range, and the first fusible joint fully fails only when the second fusible joint has failed.

Abstract: A gas turbine with a compressor having stator side guide blades and rotor side moving blades, a burner a combustion chamber; with a turbine); with a diffuser arranged downstream of the compressor, which has an inside wall and an outside wall and; an intermediate housing following the outside wall. An outlet side guide blade ring of stator side, outlet side guide blades (30a) of the compressor has an inner shroud and an outer shroud. First fastening devices are formed on the outer shroud (34) of the guide blade ring via which the guide blade ring is attached to the intermediate housing, second fastening devices are formed, on the inner shroud (33) of the guide blade ring via which the inside wall of the diffuser is directly attached to the guide blade ring.

Abstract: The invention relates to a particle-trapping device (2) for a turbomachine, said particles being contained in an air stream flowing inside a turbomachine, in particular the air stream flowing in the bypass region (17) of the combustion chamber (13) of said turbomachine. The device is characterized in that it comprises:—at least two particle deflectors (3, 3a, 3b, 3c),—a member (5) for collecting and storing the particles deflected by said deflector,—and means (6) for attaching said trapping device (2) to a part of the turbomachine.

Abstract: A power generation system comprising: a liquefied natural gas (LNG) regasification unit configured to perform a regasification process to regasify LNG supplied from an LNG source to produce natural gas, the regasification process producing cold energy; a gas turbine configured to combust the natural gas to output power, the combusting producing an exhaust gas; a thermal storage unit configured to store heat obtained from the exhaust gas; and a Stirling engine configured to output power, the Stirling engine having a hot end heated by the heat stored in the thermal storage unit and a cold end cooled by the cold energy from the regasification process.

Abstract: The invention relates to a variable valve control device (1) for internal combustion engines of the reciprocating-piston design having at least one gas exchange valve (32), which can be actuated by a camshaft (3) by means of a cam device (4) that is connected to the camshaft (3) for conjoint rotation and that has at least two different cam tracks (7, 8), which camshaft is supported in such a way that the camshaft can be rotated about a camshaft axis (2), wherein, selectively, one of the cam tracks (7, 8) can be activated and at least one other cam track (8, 7) can be deactivated by means of a control device (10), and wherein the control device (10) has at least one control lever (12), which can be pivoted about a pivot axis (11), and has at least one first control body (13), which is connected to the camshaft (3) for conjoint rotation and in the surface of which at least one first control groove (17) and at least one second control groove (18) are formed, wherein, selectively, a first control stud (19) of the

Abstract: A valve mechanism for an engine includes a camshaft, a rocker arm, a synchronization cam that rotates in synchronism with a valve driving cam, and a switch assembly that switches the driving state of an intake valve or an exhaust valve when a cam follower is pressed by the synchronization cam. The synchronization cam presses the cam follower at a time when the intake valve or the exhaust valve is closed. The switch assembly includes a switch unit that switches the driving state when a switch moves, a driver that drives the switch via a transmission, and a positioner including a spring-biased presser that engages with a concave portion of the transmission. The concave portion includes a first concave portion with which the presser engages in a first driving state, and a second concave portion with which the presser engages in a second driving state.

Abstract: A switchable rocker arm is provided having first and second arms. The first arm has a first outer end and a first inner end and the second arm has a second outer end a second inner end, with the first and second outer ends contacting a respective one of a cam or a valve. One of the first and second inner ends includes an opening with a ring gear and the other includes at least one support for a planet gear that engages the ring gear. A sun gear is located on a rocker shaft and engages the planet gear. A locking mechanism is switchable from a locked position, in which the sun gear is rotationally fixed to the rocker shaft to transfer a cam lift to the valve via the gear ratio provided in the sun, planet, and ring gear arrangement, and a release position, in which the sun gear is rotatable on the rocker shaft so no cam lift is transferred.

Abstract: A hydraulically operated camshaft phasing mechanism has two lock pins. One of the lock pins engages at an intermediate position and an end lock pin engages near one of the stops at the end of the phaser range of authority. At least one of the locking pins, preferably the end lock pin, when the vane is at an end stop position, is engaged by oil pressure and spring loaded to release when the oil pressure side of the end lock pin is vented.

Abstract: An oil reservoir for a variable camshaft phaser, comprising a locking cover including a front surface including a pool, the pool having a plurality of through-bores, a rear surface including a locking pin channel, a radially inward facing surface, and a radially outward facing surface, and an oil reservoir cover secured to the front surface of the locking cover.

Abstract: Methods and systems are provided for a phase control apparatus in a variable cam timing (VCT) system of an engine, the phase control apparatus having a locking pin coupled to a rotor vane and engageable with a locking pin recess in the phase control apparatus cover plate. In one example, a method for assembling the phase control apparatus may include positioning respective retarded side surfaces of the rotor vane and the housing in face-sharing contact while positioning respective retarded side surfaces of the locking pin and the locking pin recess in face-sharing contact and maintaining a backlash gap between only the advanced side surfaces of the locking pin the locking pin recess.

Abstract: A control valve for a camshaft adjuster for an engine is provided. The control valve includes a valve sleeve having one or more inlet openings, two supply openings, and an outlet opening, and a control piston guided in the valve sleeve. The piston, together with the valve sleeve and control edges arranged on the control piston, form three annular ducts. A fluid-conducting connection between an inlet opening and a supply opening can be controlled via a first annular channel. A fluid-conducting connection between the inlet opening and another supply opening can be controlled via a second annular channel. The first annular channel and the second annular channels may enclose a central annular channel, via which a fluid-conducting connection between the supply opening and the outlet opening, as well as between the another supply opening and the outlet opening, can be controlled.

Abstract: An oil supply device includes an oil pump and an oil control valve. The oil control valve is connected to a control oil chamber of the oil pump via a control oil passage that includes an oil descent passage and an oil rise passage. One end of the oil descent passage on the control oil chamber side is disposed at a position closer to a bottom of the vehicle than the other end on the oil control valve side. The oil rise passage is disposed at a position closer to the control oil chamber side than the oil descent passage. One end of the oil rise passage on the control oil chamber side is disposed at a position closer to a top of the vehicle than the other end on the oil control valve side.

Abstract: A method of filling and/or draining a replaceable fluid container for an engine or vehicle, wherein the replaceable fluid container comprises a fluid reservoir and a plurality of container ports, wherein replaceable fluid container is configured to be docked with a dock associated with the vehicle or engine with the plurality of container ports positioned on and coupled to at least one port of the dock to place the fluid reservoir in fluidic communication with a fluid circulation system associated with the vehicle or engine, wherein each of the plurality of container ports has an operational function, wherein the operational function of at least one of the plurality container ports is that of being a fluid outlet port to allow the supply of fluid from the fluid reservoir, the method comprising modifying the operational function of at least one of the plurality of container ports to assist filling and/or draining of the reservoir, a related filling and/or draining interface plate configured to interface betwee

Abstract: Provided is a GPF capable of exhibiting better than conventional three-way purification function. A gasoline particulate filter (GPF) that is provided in an exhaust pipe of an engine and that performs purification by capturing particulate matter (PM) in exhaust gas is provided with a filter substrate in which a plurality of cells extending from an exhaust gas inflow-side end face to an outflow-side end face are defined by porous partition walls and in which openings at the inflow-side end face and openings at the outflow-side end face of the cells are alternately sealed; and a three-way catalyst (TWC) supported by the partition wall. The three-way catalyst is the GPF comprising a catalytic metal containing at least Rh, and a composite oxide having an oxygen storage capacity and containing Nd and Pr in a crystal structure.

Abstract: A catalytic wall-flow monolith filter for use in an emission treatment system comprises a wall flow monolith comprising a porous substrate having surfaces that define the channels and having a first zone extending in the longitudinal direction from a first end face towards a second end face for a distance less than the filter length and a second zone downstream of the first zone, wherein a first SCR catalyst is distributed throughout the first zone of the porous substrate, and a second SCR catalyst is located on a layer that covers the surfaces in the second zone of the porous substrate. Systems and methods of using the filter in treating exhaust gases are described.

Abstract: A controller alternately repeats a desorption process of desorbing sulfur compound deposited on an NSR catalyst by supplying fuel from a direct injection valve to exhaust gas, and a pausing process of pausing fuel supply from the injection valve to the exhaust gas. The controller executes a cooling fuel addition for adding engine fuel from the addition valve of the exhaust passage to cool the addition valve during execution of the pausing process, and prohibit the cooling fuel addition during execution of the desorption process. The controller calculates a target temperature of the addition valve at the time of start of the desorption process such that the temperature of the addition valve during execution of the desorption process does not exceed an allowable upper limit temperature and calculates the addition amount at the time of cooling fuel addition.

Abstract: Methods and systems are provided for a steam reforming catalyst. In one example, a method may include flowing exhaust gas from a first cylinder bank directly to a three-way catalyst, flowing exhaust gas from a second cylinder bank directly to a steam reforming catalyst, and flowing exhaust gas from the steam reforming catalyst to the three-way catalyst.

Abstract: An exhaust gas cleaning system comprises a reducing agent injection module installed in an housing mounted in an exhaust pipe through which an exhaust gas is discharged, the reducing agent injection module being configured to inject a reducing agent into the housing, a selective catalyst reduction device installed in rear of the reducing agent injection module and configured to catalytic react the reducing agent with nitrogen oxide included in the exhaust gas to reduce the nitrogen oxide, a differential pressure sensor to detect a differential pressure between a pressure in the housing in front of the selective catalyst reduction device and a pressure of the housing in rear of the selective catalyst reduction device, and a control device to receive the pressure information from the differential pressure sensor and to output a first warning signal when the detected differential pressure is lower than a predetermined pressure.

Abstract: Disclosed are model predictive control (MPC) systems, methods for using such MPC systems, and motor vehicles with selective catalytic reduction (SCR) employing MPC control. An SCR-regulating MPC control system is disclosed that includes an NOx sensor for detecting nitrogen oxide (NOx) input received by the SCR system, catalyst NOx sensors for detecting NOx output for two SCR catalysts, and catalyst NH3 sensors for detecting ammonia (NH3) slip for each SCR catalyst. The MPC system also includes a control unit programmed to: receive desired can conversion efficiencies for the SCR catalysts; determine desired can NOx outputs for the SCR catalysts; determine maximum NH3 storage capacities for the SCR catalyst; calculate the current can conversion efficiency for each SCR catalyst; calculate an optimized reductant pulse-width and/or volume from the current can conversion efficiencies; and, command an SCR dosing injector to inject a reductant into an SCR conduit based on the calculated pulse-width/volume.

Abstract: A method for operating a drive device includes heating a hot air stream with a heating device integrated in a cylinder head of an internal combustion engine of the drive device, wherein the internal combustion engine is connected with an exhaust gas system; mixing the hot air stream upstream of a catalytic converter with a cold fresh air stream for adjusting a defined temperature of the hot air stream; and supplying the hot air stream having the adjusted defined temperature to the catalytic converter in at least one operating state of the internal combustion engine so as to heat the catalytic converter.

Abstract: An exhaust heat recovery device includes a first heat exchanger, a second heat exchanger, a gas passage, a liquid passage, and a self-pressure valve. The first heat exchanger performs heat exchange between exhaust gas and a heat medium so as to evaporate the heat medium. The second heat exchanger performs heat exchange between a heated target and the heat medium evaporated in the first heat exchanger, the heated target being defined as at least one of cooling water and oil so as to heat the heated target and to liquefy the heat medium. A loop heat pipe is formed by the first heat exchanger, the second heat exchanger, the gas passage, and the liquid passage.

Abstract: A transport refrigeration system is provided including a refrigeration unit and a diesel engine powering the refrigeration unit. The diesel engine has an exhaust system for discharging engine exhaust from the diesel engine. An exhaust treatment unit is disposed in the diesel engine exhaust system and includes a diesel oxidation catalyst and a diesel particulate filter. An air control valve is configured to control a quantity of air provided to the diesel engine from an air supply fluidly coupled to the diesel engine. A controller is operably coupled to the air control valve. After initiating regeneration of the diesel particulate filter, the controller is configured to operate the system in either a primary regeneration mode or a secondary regeneration in response to a condition monitored within the exhaust treatment unit.

Abstract: An exhaust gas temperature sensor diagnostic system includes an exhaust gas temperature sensor, a controller and a storage device. The controller is programmed to wakeup after a predetermined time after engine shutdown, determine a temperature of the sensor and ambient temperature, calculate a difference in the temperature of the sensor after wakeup to a temperature of the sensor at engine shutdown, determine an estimated temperature of the sensor based on the ambient temperature and the predetermined time, add the difference in the temperature of the sensor at wakeup to the estimated temperature to determine a compensated estimated sensor reading, determine a difference between the compensated estimated sensor reading and a corrected sensor reading, compare the difference between the compensated estimated sensor reading and a corrected sensor reading to a threshold to determine whether the sensor is operating properly. The storage device is configured to store information related to the sensor.

Abstract: A self-correcting exhaust gas temperature sensor system includes an exhaust gas temperature sensor, a controller and a storage device. The exhaust gas temperature sensor is configured to be disposed in an exhaust manifold of a vehicle. The controller is programmed to determine a reading of the exhaust gas temperature sensor at a predetermined time, determine a comparative temperature value, calculate an offset difference between the comparative temperature value and the reading of the exhaust gas temperature sensor, and based on the offset difference relative of the comparative temperature value, replace an exhaust gas temperature sensor offset value with the offset difference or with a threshold value. The storage device is configured to store the offset difference or the threshold value.

Abstract: An aftertreatment system includes a filtration and reduction unit. The filtration and reduction unit comprises a housing defining an internal volume. A filter is disposed in the internal volume and is configured to substantially remove particulates from the exhaust gas. A selective catalytic reduction system is disposed in the internal volume downstream of the filter and is configured to selectively reduce a portion of the exhaust gas. A first catalyst is formulated to oxidize at least a portion of the exhaust gas. An intake pipe is disposed upstream of the filtration and reduction unit and configured to communicate the exhaust gas o the filtration and reduction unit. The first catalyst is disposed in the intake pipe. An exhaust pipe is disposed downstream of the filtration and reduction unit.

Abstract: A muffler includes an inner pipe and an outer pipe which, along with the inner pipe, forms a double-wall pipe. A cavity is provided between the inner and outer pipes. A first end of the double-wall pipe is closed between the inner and outer pipes, and a second end of the double-wall pipe has an opening between the inner and outer pipes. The cavity communicates with an exhaust channel via the opening. The cavity is formed as a result of the inner pipe being shaped in a manner such that a portion of an outer-circumferential surface of the inner pipe is positioned on an inner-circumferential side relative to a reference, the reference being a position of an outer-circumferential surface of the outer pipe.

Abstract: Provided is an exhaust device connected to an engine body. The exhaust device includes a plurality of independent exhaust pipes, each of which has a circular cross section, and which are connected to exhaust ports of cylinders of the engine body; and a mixing pipe having a circular cross section, connected to downstream ends of the independent exhaust pipes, and through which exhaust gas that has passed through the independent exhaust pipes flows in. The independent exhaust pipes are connected to an upstream end of the mixing pipe in such a manner that parts of internal spaces of the circular cross sections overlap each other in a predetermined section from the downstream ends of the independent exhaust pipes toward upstream, and a ratio of overlapping portions of the circular cross sections gradually increases from upstream toward downstream.

Abstract: A work vehicle includes a blower unit rotatably supported to a vehicle body between a closed position and an open position, and a position adjustment portion configured to adjust a vertical position of the blower unit when the blower unit is at the closed position. The position adjustment portion includes a first plate that is provided on the vehicle body and includes a first through portion vertically penetrating, a second plate that is provided on the blower unit, vertically penetrates, and includes a second through portion communicating with the first through portion from below when the blower unit is at the closed position, and an adjustment bolt that includes a shaft portion inserted into the first through portion and the second through portion.

Abstract: The present invention provides a cooling device for an internal combustion engine of a vehicle. While the vehicle is in a decelerating state and while the internal combustion engine is in an idle reduction state, the cooling device increases the ratio of the cooling water circulation rate through a first path which extends through a heater core and a radiator while reducing the ratio of the cooling water circulation rate through a second path which bypasses the heater core and radiator. In addition, the cooling device increases the discharge flow rate of the electric water pump while the vehicle is in a decelerating state, and maintains the electric water pump in an operating state during idle reduction. Thus, the present invention allows accelerating the temperature decrease of the cylinder head during idle reduction, as well as improving fuel economy during acceleration when the vehicle is started.

Abstract: An engine cooling system includes a coolant circulation path, which circulates coolant between the water jacket and the radiator of an internal combustion engine, a pump, a control valve, which is provided in the coolant circulation path, and a controller. The controller executes a warming-up promotion control and a pressure relaxation control. In the pressure relaxation control, the controller controls the aperture ratio of the radiator port such that the lower the temperature of the radiator, the lower becomes the engine rotational speed at which the aperture ratio of the radiator port is increased.

Abstract: A venting tank (1) for a cooling system of a motor vehicle includes a main wall (3), which defines an inner venting volume (V) of the venting tank, the main wall including a bottom (5) and a cover (7) opposite one another, an intake (45, 47, 49, 51, 53) for a heat transfer fluid to be vented within the interior venting volume, and a discharge (55, 57) for discharging the vented heat transfer fluid outside the inner venting volume. This venting tank (1) further includes a heat transfer fluid duct (19), which crosses through the cover (7) and the bottom (5) and includes an inner segment (29) extending within the inner venting volume (V) from the cover (7) to the bottom (5) and whereof an inner volume (V29) is separated from the inner venting volume.

Abstract: An internal combustion engine includes: a main combustion chamber; an intake port connected to the main combustion chamber at an intake opening; an exhaust port connected to the main combustion chamber at an exhaust opening; a sub-chamber provided between the intake opening and the exhaust opening, and connected to the main combustion chamber through a plurality of through-holes; a fuel injector injecting fuel into the sub-chamber; and a spark plug performing ignition in the sub-chamber. A tumble flow flows from a first side to a second side as seen from the sub-chamber. The through-holes include: a first through-hole formed in a first side part of a side wall of the sub-chamber; and a second through-hole different from the first through-hole. A diameter of the first through-hole is larger than that of the second through-hole.

Abstract: A split-cycle internal combustion engine (ICE) is provided, comprising a compression cylinder, an expansion cylinder and a crossover valve having a valve cylinder housing inside a shuttle and a combustion chamber structure defining a combustion chamber. The shuttle is configured to perform reciprocating motion inside the valve cylinder synchronously with a compression piston and an expansion piston, thereby alternatingly fluidly coupling and decoupling the combustion chamber with the compression cylinder and with the expansion cylinder, selectively. Sealing rings positioned between the valve cylinder and the shuttle prevent gas leaks between them during the reciprocating motion. In some embodiments, a phase shift between the pistons may be set or varied by a piston phase transmission gear. A bi-directional fluid flow split-cycle internal combustion engine (ICE) is also provided having a first cylinder, a second cylinder, a combustion chamber and a single crossover valve fluidly communicating them.

Abstract: A vent insert is disclosed for use with an automotive turbocharger system. The vent has a substantially cylindrical hollow tube with a first end for seating the vent and a second open end. The first end has a rim around an opening. The second end of the vent has an angled opening that faces away from the direction of the gas flow when the vent insert is operating within the turbocharger system. There are a plurality of protrusions extending outward from the outside surface of the vent to assist in keeping the vent insert in place in the turbocharger system.

Abstract: A wastegate valve includes a swing arm, a valve body including a valve stem inserted through an insertion hole of the swing arm and a valve plate configured to close a wastegate port, a support plate being fixed to an end of the valve stem on a side opposite to the valve plate, and an elastic member biasing the valve plate in a extending direction of the valve stem. The elastic member includes a plurality of first lug portions and a plurality of second lug portions projecting from an outer peripheral edge of a connecting portion of the elastic member. The first lug portions and the second lug portions curve toward different sides in the extending direction of the valve stem.

Abstract: A vehicle having a dimethyl ether (DME) fuel storage and delivery system for an internal combustion engine, includes a DME fuel filter in the DME fuel storage and delivery system, a DME fuel pump having a fuel inlet downstream of the filter, and, at least one sensor having at least one transducer, the at least one transducer being disposed at the filter and the at least one sensor being operable to detect a change in at least one electrical property of the at least one transducer for determining DME fuel quality according to a secondary effect of a DME fuel condition.

Abstract: An accessory drive system for an engine 1 includes: a drive shaft (a crankshaft 21); a driven shaft (an oil pump drive shaft 31); an endless transmission member (a drive chain 33); a first tensioner disposed on a slack side of the endless transmission member (a first hydraulic tensioner 41); and a second tensioner disposed on a tight side of the endless transmission member (a second hydraulic tensioner 43). The second tensioner has a damping function to damp pushing force applied to the second tensioner by the endless transmission member in a direction opposite to a biasing direction.

Abstract: A length-adjustable connecting rod has a first rod part and a second rod part, with the rod parts being displaceable telescopically toward and/or in one another by means of a length-adjusting means, and with the length-adjusting means being chargeable via a hydraulic channel with a hydraulic medium. The hydraulic channel is fluidly connectable by means of a control device to a hydraulic medium supply channel. The control device has a first and a second valve, each with a valve chamber and each with a valve body that can be pressed by a restorative force against a valve seat. The valve chamber of the first valve is fluidly connected to a first hydraulic channel, and the second valve chamber of the second valve to a second hydraulic channel. The valve bodies are operatively interconnected via a connecting device that can be displaced between a first position and a second position.

Abstract: The variable compression ratio mechanism comprises a variable length connecting rod 6 able to be changed in effective length. The variable length connecting rod comprises a connecting rod body 30, an eccentric member 40 and an eccentric member drive mechanism 50. The eccentric member 40 is provided with a piston pin receiving opening 44, is rotatably attached to the body, and changes in effective length if it is rotated. The eccentric member drive mechanism 50 comprises a projecting pin 66 sticking out from the body and making the eccentric member rotate if a relative position of the projecting pin to the body changes. The variable compression ratio mechanism further comprises a guide member for guiding the projecting pin during operation of the internal combustion engine. The guide member guides the projecting pin so that the relative position of the projecting pin changes if the guide position is changed.

Abstract: A compressed air energy storage power generation device includes a first heat exchanger, a heat storage tank, a second heat exchanger, a heating unit, a first power distributor, and a controller. The first heat exchanger performs heat exchange between the compressed air from a compressor and the heating medium. The heat storage tank stores the heating medium heatexchanged by the first heat exchanger. The second heat exchanger performs heat exchange between the compressed air from an accumulator tank and the heating medium from the heat storage tank. The first power distributor distributes the generated power of the power generator to a power system and the heating unit. When the internal pressure of the accumulator tank reaches a predetermined pressure and the generated power is larger than the power demand, the controller supplies a part or all of the generated power to the heating unit by the first power distributor.

Abstract: The present invention relates to a powerplant of an aircraft including at least one twin-spool gas generator of longitudinal axis (XX), at least one main fan arranged upstream of the gas generator on the longitudinal axis (XX) and driven in rotation by the gas generator, the main fan being shrouded with a main fan housing; and at least one auxiliary fan with axis (XY, XY?) offset relative to the longitudinal axis (XX) and driven by the gas generator, the auxiliary fan being shrouded with an auxiliary fan housing, the gas generator including at least one low-pressure compressor and a low-pressure turbine connected by a low-pressure shaft, the low-pressure turbine driving in rotation the main fan and the auxiliary fan via at least one power transmission system including a differential gear system incorporating a bevel gear.

Abstract: The present application provides a gas turbine engine. The gas turbine engine may include a compressor and an inlet air system positioned upstream of the compressor. The inlet air system may include a wetted media pad for evaporative cooling. The wetted media pad may include a number of synthetic media sheets with a number of micro-channels therein.