Abstract: A turbine casing includes at least one shell adapted to enclose one or more turbine stages in a gas turbine engine; an air inlet in the at least one shell; a flow sleeve secured to an inside surface of the at least one shell, the flow sleeve comprising at least two arcuate segments. Each arcuate segment includes an arcuate base, a pair of sidewalls extending radially outwardly of the base thereby forming a circumferentially-extending flow channel defined by the base, the sidewalls and the inside surface. The air inlet is aligned with the flow channel and the sleeve is configured to distribute air flowing in the channel into spaces proximate the one or more turbine stages in circumferential, radial and axial directions, including along the inside surface of the at least one shell.

Abstract: The present application provides a seal for use between adjacent turbine components and with a cooling flow. The seal may include an impingement baffle top plate, a base plate, and one or more spacer elements therebetween. The cooling flow provides cooling through the impingement baffle top plate.

Abstract: An article and method of forming an article are provided. The article includes a body portion separating an inner region and an outer region, an aperture in the body portion, the aperture fluidly connecting the inner region to the outer region, and a conduit extending from an outer surface of the body portion at the aperture and being arranged and disposed to controllably direct fluid from the inner region to the outer region. The method includes providing a body portion separating an inner region and an outer region, providing an aperture in the body portion, and forming a conduit over the aperture, the conduit extending from an outer surface of the body portion and being arranged and disposed to controllably direct fluid from the inner region to the outer region. The article is arranged and disposed for insertion within a hot gas path component.

Abstract: An arrangement to minimize vibrations in a gas turbine exhaust diffuser is provided. The arrangement includes a projection coupled to an inner cylindrical surface or the outer cylindrical surface of a fluid flow path of the gas turbine exhaust diffuser. The projection minimizes pressure oscillations in the gas turbine exhaust diffuser such that an unsteadiness of the fluid flow surrounding the second tangential strut is reduced. A method to minimize pressure oscillations in a gas turbine diffuser is also provided.

Abstract: An exhaust gas treatment system for an advanced humid air turbine system includes a water recovery unit for recovering a moisture contained in an exhaust gas discharged from a gas turbine system by cooling the exhaust gas with a coolant, and an exhaust gas reheater disposed downstream of the water recovery unit with respect to the flow of the exhaust gas, for heating the exhaust gas that has passed through the water recovery unit with a heat medium. The coolant that has exchanged heat with the exhaust gas in the water recovery unit is used as the heat medium for the exhaust gas reheater.

Abstract: A method for operating a closed loop regenerative thermodynamic power generation cycle system is presented. The method includes supplying a high-temperature working fluid stream at a first pressure P1 to an expander, and extracting a partially expanded high temperature working fluid stream from the expander at a second pressure P2. Each of the first pressure P1 and the second pressure P2, are higher than a critical pressure of the working fluid; and the second pressure P2 is lower than P1. The method further includes regeneratively supplying the extracted high temperature working fluid stream at the second pressure P2 to a low temperature working fluid stream at the first pressure P1. A closed loop regenerative thermodynamic power generation cycle system is also presented.

Abstract: The invention relates to power plant with a steam water power cycle and a lignite dryer that uses steam from the steam water power cycle. The connection of the lignite dryer to the steam water power cycle includes a first extraction line and a second extraction line.

Abstract: A valve switching apparatus includes a rocker arm coming into contact with a cam to open and close a valve along with a rotation of the cam, and an eccentric generation means provided to the rocker arm so as to allow an eccentric position to be changed by rotation thereof.

Abstract: A flow passage partition structure including a flow passage member including a flow passage space portion, a partition member partitioning the flow passage space portion into a first flow passage and a second flow passage, the partition member including a first plate and a second plate being in contact with the first plate in a state where the second plate is press-fitted in an inner circumferential surface of the flow passage space portion, the first plate including an outer circumferential surface that is out of contact with the inner circumferential surface of the flow passage space portion, and the first plate, the second plate, and the inner circumferential surface of the flow passage space portion forming a space portion that corresponds to a foreign material storage portion.

Abstract: A valve timing control device for an internal combustion engine includes: a driving rotation member, a driven rotation member, a speed reduction mechanism, a circumferential clearance of the each of the rolling member being formed within an angle range of 0.01° to 0.4° in a circumferential direction from a reference line extending from a rotation axis of the driving rotation member in a radial direction, in a space constituted by the eccentric rotation member, the internal teeth constituting section, and the one of the holding holes.

Abstract: Methods and systems are described for an engine with a cam torque actuated variable cam timing phaser. Phaser positioning control is improved by reducing inaccuracies resulting from inadvertent spool valve and/or phaser movement when the spool valve is commanded between regions. In addition, improved spool valve mapping is used to render phaser commands more consistent and robust.

Abstract: A sliding mechanism 1 includes a first sliding member 10 and a partner second sliding member 20 configured to slide relative to the first sliding member 10. The first sliding member 10 includes a matrix phase 11 and a hard phase 13 that is harder than the matrix phase 11, in which the hard phase 13 is embedded in the matrix phase 11 in a dispersed state. The second sliding member 20 includes a base 21 and a surface-treatment layer 23 that is formed on the sliding surface 20 of the base 21 and is harder than the matrix phase 11.

Abstract: Provided is a poppet valve capable of realizing maximum. combustion efficiency all of three heat transfer forms. In a poppet valve including a head portion (14) formed integrally with one end side of a stem portion (12), in the head portion (14), a hollow portion (19) extending along a head surface (24) is formed, a metal layer (17) that insulates. radiation heat is formed on a upper end surface (25) of the hollow portion (19), and a heat insulating portion is formed between the metal layer (17) and a bottom surface of the hollow portion (19). Among the heat. transfer forms, conduction and convection are insulated by the heat insulating portion, and radiation is insulated by the metal layer (17).

Abstract: An electric phaser for dynamically adjusting a rotational relationship of a camshaft with respect to an engine crankshaft of an internal combustion engine includes an electric motor and a tapered roller drive. The tapered roller drive includes a sun, rollers, a carrier, at least one ring, and at least one load generator providing an axial load. The rollers are maintained in rolling engagement with the sun and the ring without the use of teeth. In some embodiments, the tapered roller drive is based on a fixed-sun design. In other embodiments, the tapered roller drive is based on a split ring design.

Abstract: A surface type air to oil cooler enables oil to flow from an inlet and down a first pass of an oil passageway. A first bypass, before the end of the first pass, allows oil to flow from the first pass to a second pass of the oil passageway. A second bypass may exist toward the end of the second pass to allow the oil to flow from the second pass to an outlet before the end of the second pass.

Abstract: A blow-by heater includes a tube member allowing a blow-by gas to flow through, and opening in a downstream side, and the tube member is formed such that a thickness of the downstream side decreases toward an opening end.

Abstract: The invention describes a filter element for an oil separator of a crankcase ventilation system in which a filter element is configured to separate oil from fluid and that has a covering surface extending parallel to a direction of flow, together with at least one cover element covering surface in at least some regions. An oil separator is taught having the filter element with at least one pressure control valve controlling crankcase pressure and has a valve closing body that operates in conjunction with a valve seat.

Abstract: This universal technology eternal zero carbon, thermal electric clean engines and gas turbines, with universal cryogenic eternal systems converting all gases in cryogenic working fluids, for solar/atmospheric and geo thermal energy eternal systems, is eliminating 100% all the fossil fuels from energy and universal mobility, variable power, with constant maximum compression pressure and constant maximum combustion pressure, resulting constant maximum efficiency in all the variable eternal power electric generation and universal mobility systems.

Abstract: An exhaust gas purifying device includes a honeycomb carrier which extends from an inlet-side end face to an outlet-side end face of exhaust gas to form a pathway of exhaust gas, and a tubular case member that houses the honeycomb carrier via a retaining member. The honeycomb carrier includes a sloped part formed at an outer circumferential part at both end faces in an X direction thereof in a direction in which the length in the X direction of the outer circumferential edge thereof decreases, and is retained inside of the case member by the sloped part catching on an inner wall of the case member via the retaining member. The case member has a reduced-diameter part provided in a portion thereof in which an inside diameter of an inlet-side terminal part thereof is smaller than at least an outside diameter of the inlet-side terminal part of the honeycomb carrier.

Abstract: A method of calculating an ammonia (NH3) mass generated in a lean NOx trap (LNT) of an exhaust purification device includes sequentially calculating a NH3 mass flow at a downstream of each slice from a first slice to an n-th slice, and integrating the NH3 mass flow at the downstream of the n-th slice over a predetermined time, wherein the calculation of the NH3 mass flow at the downstream of the i-th slice comprises calculating a NH3 mass flow flowing into the i-th slice, calculating a NH3 mass flow generated at the i-th slice, and adding the NH3 mass flow generated at the i-th slice to a value obtained by subtracting the NH3 mass flow used to reduce the NOx and the O2 at the i-th slice from the NH3 mass flow flowing into the i-th slice.

Abstract: A system according to the principles of the present disclosure includes an engine start module and an exhaust valve control module. The engine start module determines when an engine is started based on at least one of an input from an ignition system and the speed of the engine. The exhaust valve control module selectively fully closes an exhaust valve in an exhaust system of the engine when the engine is started to trap exhaust gas in the exhaust system.

Abstract: A aqueous urea solution supply device for an engine is provided with a tank that stores aqueous urea solution, a valve configured to add the aqueous urea solution to exhaust gas, and a passage configured to supply the aqueous urea solution in the tank to the valve. When a pressure of the aqueous urea solution supplied to the valve is equal to or lower than a predetermined pressure and the amount of the aqueous urea solution in the tank is equal to or smaller than a predetermined threshold, an electronic control unit determines that the aqueous urea solution in an amount required for cooling of the valve cannot be supplied from the tank to the valve and executes a return control for returning the aqueous urea solution in the valve to the tank.

Abstract: A reducing agent supply device includes a tank, an adding valve, a pump, and an electronic control unit. The adding valve is configured to receive the reducing agent supplied from the tank and inject the reducing agent. The pump is configured to send the reducing agent from the tank and suction the reducing agent back into the tank. The electronic control unit is configured to open the adding valve and suction the reducing agent back into the tank as a purge control when the internal combustion engine is commanded to stop. The electronic control unit is configured to increase an amount of a return suction of the reducing agent during the purge control as an amount of the reducing agent, remaining in a supply path and the adding valve when the stop command is given, increases.

Abstract: An exhaust aftertreatment system may include an injector, an aftertreatment device and a mixer assembly. The injector may be configured to inject a fluid into an exhaust passageway that receives exhaust gas from a combustion engine. The aftertreatment device may be disposed in the exhaust passageway downstream of the injector. The mixer assembly may be disposed in the exhaust passageway upstream of the aftertreatment device and may include a first stage having a plurality of parallel plates and a second stage connected to the first stage and disposed downstream of the first stage. The second stage may include an auger blade. The mixer assembly may divide an exhaust stream into at least two flow paths.

Abstract: An aftertreatment module includes a catalytic brick having upstream and downstream flanges sized to extend over potential leak flow paths between bricks. Additionally, an aftertreatment module has an array of similarly flanged bricks to reduce leakage through all interfaces between adjacent bricks. A frame for holding the array of bricks includes flow modulators to restrict leakage through an interface between the frame and at least one side surface defined by the array of bricks.

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: Deposition of urea is prevented or reduced by a simple measure in an exhaust system structure equipped with an addition device that adds aqueous urea solution to exhaust gas. An exhaust system structure for an internal combustion engine includes an exhaust pipe connected to the internal combustion engine and an addition device located midway in said exhaust pipe to add aqueous urea solution to exhaust gas flowing in said exhaust pipe. The outer wall of a portion of the exhaust pipe on which aqueous urea solution added by the addition device impinges is in contact with the outer wall of a component of the exhaust system arranged upstream of the aforementioned portion so that the temperature of the aforementioned portion is raised.

Abstract: It is aimed to analyze a gas component of a to-be-analyzed gas with a reduced influence of a liquid component contained in the to-be-analyzed gas. Provided is an analyzing apparatus for analyzing a gas component of an exhaust gas that has passed through a scrubber apparatus and the like. The analyzing apparatus includes a collecting nozzle configured to collect a to-be-analyzed gas, a liquid collecting unit configured to collect a liquid component contained in the to-be-analyzed gas collected by the collecting nozzle and to allow the to-be-analyzed gas to pass therethrough, a liquid discharging unit configured to discharge the liquid component collected by the liquid collecting unit, and an analyzing unit configured to analyze a gas component of the to-be-analyzed gas that has passed through the liquid collecting unit.

Abstract: Methods and systems are provided for flowing exhaust gas in an exhaust system of an engine. In one example, a method may include flowing exhaust gas through a turbine, from the turbine to at least one aftertreatment device, and then from the at least one aftertreatment device to atmosphere, during a first condition. The method may also include, during a second condition, flowing exhaust gas through the at least one aftertreatment device, from the at least one aftertreatment device to the turbine, and then from the turbine to atmosphere.

Abstract: A tailpipe for a vehicle, which has a tubular body may include a central pipe positioned in the body, and a plurality of sub-pipes which is disposed to surround an outer circumferential surface of the central pipe.

Abstract: A modular exhaust manifold includes a plurality of exhaust manifold segments coupled together along a common axis. Exhaust manifold segments include a water jacket tube defining a liquid coolant passage around each of the plurality of exhaust manifold segments. The internal combustion engine also includes a coupling assembly for joining adjacent exhaust manifold segments. The coupling assembly includes a plurality of annular sealing devices configured to fit within a first set of grooves formed on an end portion of a first exhaust manifold segment. The coupling assembly also includes a spacing collar configured to attach to the end portion of the first exhaust manifold segment and couple with a fixed radial flange formed on an adjacent end portion of a second exhaust manifold segment to join the first exhaust manifold segment and the second exhaust manifold segment.

Abstract: System and methods for preventing leakage of exhaust gasses in the segmented manifold of an engine system are disclosed. In an aspect, an assembly includes a first manifold, a flange, and a first carrier and a second carrier having recessed portions configured to accommodate compressions rings to deliver a sealing force.

Abstract: An exhaust gas treatment device (1), for an exhaust system of an internal combustion engine, includes a tubular housing (2) and an insert (5) arranged replaceably in the housing (2). The insert (5) has an exhaust gas treatment element (7) fixed in a tubular jacket (6) and is able to be pushed into the housing (2) in a pushing-in direction (9), which extends parallel to a central longitudinal axis (10) of the housing (2). The jacket (6) has, on an outer side (15), an axial stop (14), axially in contact with an axial counterstop (18) in the pushing-in direction (9) and is formed on the housing (2) on an inner side (17). A locking element (19) is axially supported on a support contour (20), is formed on the jacket (6) in the pushing-in direction (9), and is provided on the inner side (17) of the housing.

Abstract: A change in a valve opening degree from an opening degree (a) to an opening degree (d) is caused by a decrease in a radiator outlet water temperature, and at such time a flow rate through a radiator enters a boiling region. Therefore, when such entry is predicted, a target engine outlet water temperature is forcedly changed from 105° C. to 100° C. Thereupon, the valve opening degree is changed from the opening degree (a) to an opening degree (f). The flow rate through the radiator when the valve opening degree is the opening degree (f) is greater than the flow rate through the radiator when the valve opening degree is the opening degree (d), and furthermore, the flow rate through the radiator does not enter the boiling region while the valve opening degree is changing from the opening degree (a) to the opening degree (f).

Abstract: An engine cylinder block forms a cooling jacket adjacent to a cylinder and that intersects a deck face adapted to mate with a cylinder head. The cooling jacket has an inlet passage intersecting a mounting face adapted to mate with a coolant pump housing. The block forms a vent passage extending from the cooling jacket to the mounting face. The pump housing forms a volute adapted to receive an impeller. The housing forms a discharge passage that fluidly connects to the inlet passage of the block. The pump housing also forms a vent passage the fluidly connects with the vent passage of the block. The vent passages of the block and pump housing are positioned between the deck face of the block and the inlet and discharge passages when the pump housing is connected to the engine block.

Abstract: An internal combustion engine includes a pre-chamber assembly including a wall having an internal surface opposite an external surface, the internal surface of the wall defining a combustion pre-chamber and at least one orifice extending to an aperture through the external surface of the wall; a block having an internal surface defining a bore therein; a piston disposed within the bore and configured for reciprocal translation within the bore, the piston, the bore, and the external surface of the wall at least partly defining a main combustion chamber, and the combustion pre-chamber being in fluid communication with the main combustion chamber via the at least one orifice; an energy source operatively coupled to the combustion pre-chamber; and a controller operatively coupled to the energy source.

Abstract: A nozzle for a prechamber assembly of an engine includes a hollow nozzle body which includes an outer surface, an inner surface, and an orifice surface. The outer surface defines an outer orifice opening and a coolant passage inlet opening. The inner surface defines an interior chamber and an inner orifice opening. The orifice surface defines an orifice passage extending between, and in communication with, the outer orifice opening and the inner orifice opening. The orifice passage is in communication with the interior chamber via the inner orifice opening. The orifice surface defines a coolant passage outlet opening which is in communication with the orifice passage. The nozzle body includes a coolant surface which defines a coolant passage within the nozzle body. The coolant passage extends between the coolant passage inlet opening and the coolant passage outlet opening and is in communication with the orifice passage.

Abstract: Gaseous fuel injection pressures are normally less than liquid fuel injection pressures, resulting in reduced gaseous fuel jet momentum and mixing. A combustion system for an internal combustion engine comprises an intake port and valve, a cylinder and a piston that cooperate to provide a quiescent combustion chamber. The piston includes a re-entrant type piston bowl comprising an outer periphery and a protuberance emanating from the outer periphery. A fuel injector is configured to directly introduce a gaseous fuel into the combustion chamber and an ignition source is provided for igniting the gaseous fuel. A controller actuates the fuel injector such that a gaseous fuel jet is directed towards and splits upon impacting the protuberance forming first and second fuel plumes. The first fuel plume is redirected towards a first mixing zone adjacent a cylinder head and the second fuel plume redirected towards a second mixing zone adjacent the piston bowl.

Abstract: This invention relates to an assembly comprising: an intake pipe (4) extending between an air inlet (11) and a combustion engine (2), a combustion engine (2), an electric compressor (5) arranged on the intake pipe upstream of the combustion engine (2), a valve (8) arranged upstream of the combustion engine (2), the electric compressor (5) being configured to enable the residual burnt gases to be scavenged.

Abstract: The present invention relates to an assembly (1) for a combustion engine (10) comprising an electric compressor (5) and an air intake system, the air intake system comprising a double manifold (2) at the inlet to which there is a valve (4) configured to allow the intake gases to circulate in the manifold (2) and/or to allow the intake gases to bypass the electric compressor (5). The double manifold (2) comprises a swirl manifold (22) and a filling manifold (21), fed by two independent inlets, which can be closed off by the valve (4) independently of one another.

Abstract: An actuating device for a valve of an exhaust-gas turbocharger may include a lever arm and a flap plate connected to one another for closing and opening the valve. The flap plate may have a concave recess, and the lever arm may have a spherical region configured in a complimentary manner to the concave recess of the flap plate. A holding device may be disposed on the flap plate and engage around the spherical region of the lever arm to secure the flap plate on the lever arm. The holding device may include at least two holding elements and a connecting element that connects the at least two holding elements.

Abstract: A variable geometry may include a blade bearing ring, guide blades mounted therein or thereon in a rotatable manner, and an adjustment ring for simultaneously adjusting the guide blades. The adjustment ring may be in operative connection with adjusting levers of the guide blades, and may be mounted on the blade bearing ring via rollers. A roll engagement may be provided for each roller, which may be guided into and may roll onto the respective roll engagement. Each roller may have two guide collars between which a groove runs and on which the roller may roll onto the blade bearing ring. A rail may be arranged on the blade bearing ring, and may engage in the groove between the two guide collars for each roller. Each roller may be retained on the blade bearing ring and on the adjustment ring exclusively via the guide collars of the respective roller.

Abstract: A method for balancing an exhaust-gas turbocharger rotor (14), comprising the steps of arranging a shoulder (12; 16; 20) rotationally conjointly on a shaft (10) of the rotor (14) and of removing at least a part of the material of the shoulder (12; 16; 20) in order to reduce the imbalance, and an exhaust-gas turbocharger rotor (14) having a shaft (10) on which a bearing arrangement (13) can be mounted, having a turbine wheel (6) on a first end (10a) of the shaft (10), and having a compressor wheel (2) on a second end (10b) of the shaft (10). A shoulder (12; 16; 20) is arranged on the shaft (10) between the compressor wheel (2) and the turbine wheel (6), which shoulder is connected rotationally conjointly to the shaft (10).

Abstract: A turbocharger includes: a shaft provided with a small-diameter portion, and two large-diameter portions formed on two sides of the small-diameter portion; and a semi-floating bearing to rotatably support the shaft. The semi-floating bearing includes a cylindrical body into which the shaft is inserted. An inner peripheral surface of the body includes: two bearing surfaces opposed to the large-diameter portions of the shaft; a non-bearing surface located between the two bearing surfaces, having a larger inner diameter than inner diameters of the bearing surfaces; and an oil passage opened to the non-bearing surface to supply lubricant oil to a gap in a radial direction between the non-bearing surface and the shaft. At least one of the two bearing surfaces extends more in an approaching direction of the two bearing surfaces than does the large-diameter portion opposed in the radial direction to the one bearing surface.

Abstract: A turbocharger that includes a turbine and a compressor, an electric supercharger that is arranged in an intake passage, and a control device that increases a rotational speed of the electric supercharger upon receipt of a torque increase request with respect to the internal combustion engine are provided. During a process in which the rotational speed of the electric supercharger is increasing, if the rotational speed arrives at a predetermined switching rotational speed “Ntec”, the control device decreases a rate of increase in the rotational speed from a first rate of increase “Nteup1” to a second rate of increase “Nteup2” (<Nteup1). At such time, the control device sets each of “Ntec” and “Nteup2” based on at least any one of an engine speed, a rate of increase in the engine speed, and a supercharging pressure difference between a target supercharging pressure and an actual supercharging pressure.

Abstract: An auxiliary machine drive device for an engine includes a fuel pump including first and second sprockets mounted on a rear end surface of an engine body; a starter disposed below the fuel pump; a drive sprocket and a crankshaft sprocket fixed to a crankshaft; an oil pump including an oil pump sprocket disposed below the drive sprocket; an intake camshaft including an intake camshaft sprocket, and disposed on the upper side of the engine body than the fuel pump; a balancer drive shaft including a balancer shaft sprocket disposed on the exhaust side than the crankshaft and below the crankshaft; a first chain wound between the crankshaft sprocket and a first sprocket; a second chain wound between the intake camshaft sprocket and a second sprocket: and a third chain wound between the drive sprocket, the oil pump sprocket, and the balancer shaft sprocket.

Abstract: A thermal energy harvesting system employs a hot flow conduit and a cold flow conduit with a flow routing device interruptibly interconnecting the hot flow conduit and cold flow conduit with a flow casing. At least one shape memory actuator (SMA) tube is in fluid contact with the flow casing and fixed at a first end. The flow routing device sequentially supplies hot flow from the hot flow conduit and cold flow from the cold flow conduit inducing rotation of the at least one SMA tube at a second end. A generator or alternator is operably connected to the second end of the at least one SMA tube.

Abstract: An example diffuser assembly includes a diffuser case, an annular ring, and a retaining tab that is mounted to the annular ring and has an end that engages an inner wall of the diffuser case. The engagement between the second end and the inner wall locks the retaining tab and limits movement of the annular ring along a central longitudinal axis of the diffuser case. Another example diffuser assembly includes a diffuser case, an annular ring, and a snap ring. The snap ring is situated in an annular groove of an inner wall of the diffuser case, and restricts movement of the annular ring along a central longitudinal axis of the diffuser case. A retaining tab is affixed to either the annular ring or the diffuser case, and has an end retaining the annular ring in the annular groove.

Abstract: An oil lubrication system is provided. The oil lubrication system may comprise an oil pump, a conduit fluidly coupled to the oil pump, and a damper fluidly coupled to the conduit. The damper may further comprise a volume configured to receive oil in response to a pulse event. A heat exchanger may also be fluidly coupled to the conduit. In various embodiments, the damper may comprise a spherical volume. The damper may be fluidly coupled to the conduit between the oil pump and the heat exchanger. An adapter may be mechanically coupled between the conduit and the damper. The adapter may comprise a passage in fluid communication with the conduit and the damper. The damper may further comprise a membrane. A gas or compressible fluid may be disposed in the damper on a first side of the membrane. The membrane may be configured to separate the gas from the oil.

Abstract: A device and method feeding turbomachines with lubricant, the turbomachine including a first set of bearings and a second set of bearings. Both the first and the second sets of bearings are fed with lubricant, and the second set of bearings operate at a temperature higher than the first set. The second set of bearings is fed with lubricant at a temperature higher than the first set.