Abstract: A pressurized incineration facility (100, 200) includes: a pressurized incinerator (1) which incinerates a processing object (P) under a pressure increased by compressed air (A); a turbocharger (5) which produces the compressed air by being rotationally driven by combustion exhaust gas (G) of the pressurized incinerator; and a seal device (5i) which jets seal gas (S) to a rear surface (5a1) of a turbine impeller (5a) of the turbocharger.

Abstract: A seal assembly with an axis is provided that includes a rotor and a seal element that is connected to a stator with an anti-rotation element. The seal element includes a first element surface, a second element surface and an annular notch. The first element surface axially engages the stator. The second element surface radially engages the rotor. The notch extends into the seal element between the first and the second element surfaces. The stator radially overlaps a portion of the notch.

Abstract: The invention relates to an assembly comprising a turbine engine casing and a bladed rotor wheel arranged therein. The casing presents an inside wall having a circumferential strip of abradable material. Facing the tips of the blades, the casing presents upstream the strip of abradable material, and downstream a circumferential groove. The strip of abradable material is defined downstream by the circumferential groove. The downstream end of the circumferential groove is in register with or downstream from the trailing edges of the blades. This arrangement optimizes the use of abradable material in the casings of the turbine engines.

Abstract: A gas turbine power generation system has a dual-shaft gas turbine, an electric generator mechanically connected to a low pressure turbine of the dual-shaft gas turbine and electrically connected to an electric power system, a rotary electric machine mechanically connected to a high pressure turbine through a compressor of the dual-shaft gas turbine and electrically connected to the electric power system, and an electric power output from the electric generator side to the electric power system is adjusted by operation of the rotary electric machine as a motor or as a generator.

Abstract: The present invention relates to a turbine engine (10) comprising: at least one hollow guidance arm (44) radially extending from a hub (38) to an annular housing (42), and having one radially external end which opens out in an opening (60) of said annular housing, a radial countershaft (48) located in said guidance arm (44) for rotatably driving at least one device arranged at the periphery of said annular housing (42). According to the invention, a transfer case (50) is disposed facing the opening (60) of the annular housing, and the turbine engine comprises rotational power transfer means (78, 52) between the radial countershaft (48) and the device, with the guidance arm (44) being equipped, at the external end thereof, with a widened section (56) by which it opens out in the opening (60) of the annular housing and in which part of the transfer case (50) is accommodated.

Abstract: A turbocharger unit (10) incorporating variable turbine geometry. The unit (10) has a turbine housing (12) for receiving exhaust gases from an engine, a turbine wheel (14) located inside a turbine housing (12), and a bearing housing (24) connected to the turbine housing (12), having a recessed portion (28). A spring member is located in the recessed portion (28), and a heat shield (32) receives apply force from the spring member. There is also a cartridge for providing variable turbine geometry located in the turbine housing (12); the cartridge is held in contact with the turbine housing (12) by the spring member in the form of a contoured sleeve (26). The apply force received by the heat shield (32) from the spring member transfers through the cartridge, and holds the cartridge in place in the turbine housing.

Abstract: A steam turbine includes a turbine body; a steam flow passage; a regulating valve which regulates opening and closing of the steam flow passage with a linear motion; a switching drive mechanism which drives the regulating valve; an electronic governor which controls at least the switching drive mechanism; and a controller unit. The switching drive mechanism has an electric motor which rotates when supplied with power, a conversion mechanism which converts a rotary motion of the electric motor into a linear motion of the regulating valve, and a brake which brakes the rotary motion of the electric motor. At least one of the controller unit and the electronic governor performs control such that the brake is actuated and the position of the regulating valve is maintained when at least one of the electric motor and the controller unit breaks down.

Abstract: The present invention relates to a blade or vane for a turbomachine, having at least one impulse element housing with a first impact cavity, in which an impulse element is arranged with play of movement, wherein the impulse element housing has at least one second impact cavity, which is in alignment with the first impact cavity in a first matrix direction and in which an impulse element is arranged with play of movement, and has at least one third impact cavity, which is in alignment with the first impact cavity in a second matrix direction crosswise to the first matrix direction and in which an impulse element is arranged with play of movement.

Abstract: An airfoil platform includes a platform body having an arcuate base defining a centerline axis. A rail extends radially outboard from a side of the arcuate base. A feed orifice is defined at least partially in the rail. The inner diameter edge of an axially facing opening of the feed orifice is spaced apart radially outboard of an outer diameter surface of the arcuate base. A method for manufacturing an airfoil platform includes providing an airfoil platform body and forming the feed orifice through the rail. Forming the feed orifice through the rail includes forming the feed orifice radially outboard of and spaced apart from the outer diameter surface of the arcuate base.

Abstract: An assembly for a gas turbine engine includes a strut and a heat shield. The heat shield is disposed adjacent the strut and the heat shield and is adapted to contain a cooling air flow that passes along first cavity between the heat shield and the strut.

Abstract: A sintered alloy includes, in percentage by mass, Cr: 10.37 to 39.73, Ni: 5.10 to 24.89, Si: 0.14 to 2.52, Cu: 1.0 to 10.0, P: 0.1 to 1.5, C: 0.18 to 3.20 and the balance of Fe plus unavoidable impurities; a phase A containing precipitated metallic carbide with an average particle diameter of 10 to 50 ?m; and a phase B containing precipitated metallic carbide with an average particle diameter of 10 ?m or less, wherein the phase A is randomly dispersed in the phase B and the average particle diameter DA of the precipitated metallic carbide in the phase A is larger than the average particle diameter DB of the precipitated metallic carbide of the phase B.

Abstract: A sintered alloy includes, in percentage by mass, Cr: 10.37 to 39.73, Ni: 5.10 to 24.89, Si: 0.14 to 2.52, Cu: 1.0 to 10.0, P: 0.1 to 1.5, C: 0.18 to 3.20 and the balance of Fe plus unavoidable impurities; a phase A containing precipitated metallic carbide with an average particle diameter of 10 to 50 ?m; and a phase B containing precipitated metallic carbide with an average particle diameter of 10 ?m or less, wherein the phase A is randomly dispersed in the phase B and the average particle diameter DA of the precipitated metallic carbide in the phase A is larger than the average particle diameter DB of the precipitated metallic carbide of the phase B.

Abstract: A structural case assembly comprises a frame, fairing and heat shield. The frame is fabricated from a material having a temperature limit below an operating point of a gas turbine engine, and comprises an outer ring, an inner ring and a plurality of struts extending therebetween to define a flow path. The fairing is fabricated from a material having a temperature limit above the operating point of the gas turbine engine, and comprises a ring-strut-ring structure that lines the flow path. The heat shield is disposed between the frame and the fairing to inhibit radiant heat transfer therebetween. The heat shield may block all line-of-sight between the fairing and the frame. The frame may be produced from CA-6NM alloy. A method for designing a turbine case structure includes selecting a frame material having a temperature limit below the operating point of an engine.

Abstract: A device lubricates a transmission (1) and a bearing (1?), in particular a rotor bearing in a wind turbine. The transmission (1) and the bearing (1?) are each associated with at least one lubrication circuit (3, 5). A lubricating medium flows in each circuit during the operation of the device. A heat exchanging device (7, 59, 61) transfers heat between the lubrication circuit (3) of the transmission (1) and the lubrication circuit (5) of the bearing (1?). The heat exchanging device (7, 59, 61) at least partially compensates for a difference between the temperature of the lubricating medium in the lubrication circuit (3) of the transmission (1) and the temperature of the lubricating medium in the lubrication circuit (5) of the bearing (1?) by heat compensation during the operation of the device.

Abstract: A turbomachine includes a sealing segment ring that is provided between a front guide vane row and a back guide vane row for sealing a radial gap between a casing section and a rotor blade row rotating between the guide vane rows, wherein the sealing segment ring has a plurality of identical sealing segments and at least one of the guide vane rows has a plurality of identical guide vane segments, wherein the sealing segments each have a plurality of engagement sites lying adjacent to one another in the peripheral direction for interaction with securing elements of this guide vane row, wherein the engagement sites and securing elements are distributed uniformly over the periphery and the engagement sites are a multiple of the securing elements, a sealing element, and a guide vane segment.

Abstract: A gas turbine engine mid-turbine frame includes an annular case that has a hole. A tie rod with a first end extends through the hole. The first end includes a threaded portion. A nut is secured to the threaded portion to clamp the tie rod to the annular case. A tab washer is arranged between the nut and the annular case. The tab washer interlocks the nut to the case to prevent relative rotation therebetween.

Abstract: An engine mounting arrangement is provided for supporting a gas turbine engine. The mounting arrangement comprises a module adaptor mounted to an overhead or a ground based carrier for rotation about a substantially horizontal axis. The module adaptor extends horizontally from a base to an axially-opposed distal end having a first mounting interface configured for attachment to a module of the engine. The module adaptor holds the engine by the module to which it is attached and with the other engine modules projecting in a cantilever fashion from the supported module.

Abstract: A method for operating a steam turbine plant including a steam turbine and a steam generator allows a power reserve to be provided whilst simultaneously maintaining a high level of efficiency in the normal mode of operation. The steam turbine plant includes a heat reservoir which is associated with the steam turbine, from which the steam is removed and is fed to the steam turbine. The steam is fed to the steam turbine when the steam generator is not in operation.

Abstract: An evaporator (1), for evaporating a liquid (4), particularly for a waste heat utilization device of an internal combustion engine, includes a plurality of channel plate arrangements (2) that are stacked in a stacking direction (3). A gas path (6) is formed between each pair of adjacent channel plate arrangements (2), through which a gas (7) can be conducted. The gas is used to supply the heat that is required to evaporate the liquid (4). Each channel plate arrangement (2) contains a liquid inlet (8), a steam outlet (9), and a channel (11) which connects the liquid inlet (8) and steam outlet (9) together and which forms a repeatedly deflecting evaporation path (12) for the liquid (4) to be evaporated. The channel (11) has, in an evaporation path (12) evaporation zone (14), a flowable cross-section (18) which increases in a direction of liquid (4) flow.

Abstract: The present invention relates to an arrangement (1) and method for the utilization of waste heat comprising at least a waste heat exchanger (3, 3?, 3?), at least two turbines (6, 6?, 6?}, at least two recuperators (7, 7?, 7?), and at least a cooler unit (8, 9, 8?, 9?, 8?, 9?) in at least one fluid circuit. A pump and compressor (10, 10?, 10?) in one device is comprised, switchable between a pump and compressor function by a change of the rotational frequency of a rotor of the device.

Abstract: An apparatus (10) and method for controlling an angular position of a camshaft (12) in an internal combustion engine having a camshaft phaser (14) for controllably varying the phase relationship between a crankshaft of the internal combustion engine and the camshaft (12). The camshaft phaser (14) can be actuated by an electric motor (16) having an actuator shaft (18) operating through a gear reduction drive train (20) having a stationary adjusting member (22) which rotates when a phase change adjustment is desired. A sensor (30) can generate a signal corresponding to an angular position of the stationary adjusting member (22) of the gear reduction drive train (20). An engine control unit (40) can adjust a position of the camshaft (12) through operation of the electric motor (16) for rotating the stationary adjusting member (22) based on the generated signal corresponding to the angular position of the stationary adjusting member (22).

Abstract: A camshaft phaser includes a stator having an inner wall with lobes extending radially inward and a stator flange extending radially outward, the stator flange having a plurality of apertures; a rotor coaxially disposed within the stator, the rotor having vanes interspersed with the lobes defining alternating advance chambers and retard chambers; a plurality of compression limiters extending through the apertures; a front cover which closes one end of the advance and retard chambers; a back cover which closes the other end of the advance and retard chambers; and a plurality of fasteners which extend through the apertures such that the fasteners apply a clamping load which clamps the stator between the front cover and the back cover such that the clamping load is transmitted through the compression limiters.

Abstract: A multipart rotor (1) for a hydraulic camshaft adjuster, including a rotor main body (2) which is connected to a first rotor auxiliary body (3) for conjoint rotation and in an axially fixed manner, the rotor main body (2) and the first rotor auxiliary body (3) together forming at least one hydraulic medium guide channel (5). A second ring-shaped rotor auxiliary body (4) is arranged concentric to the rotor main body (2) and the first rotor auxiliary body (3) on the radially inner side of both components, the second rotor auxiliary body (4) being fastened to the rotor main body (2) and/or to the first rotor auxiliary body (3) for conjoint rotation and in an axially fixed manner.

Abstract: A hydraulic camshaft adjuster includes an at least two-part rotor which can be rotated about an axis and comprises a first rotor element and a second rotor element. The first rotor element has at least one first bore, which is aligned with at least one second bore of the second rotor element. A connecting element sits in the at least one first bore and the at least one second bore such that the first rotor element is connected to the second rotor element in a positive-locking, frictional, and/or bonded manner. An at least two-part rotor of a hydraulic camshaft adjuster is also provided, and a method for producing a rotor of a hydraulic camshaft adjuster.

Abstract: A camshaft phaser includes an input member and an output member defining an advance chamber and a retard chamber; a valve body having a valve bore which extends along an axis, an annular groove extending radially outward from the valve bore and having a first width in the direction of the axis, and a passage which opens into the annular groove and which extends from the valve bore through the valve body radially outward from the valve bore such that the passage has a second width in the direction of the axis that is greater than the first width of the annular groove. The camshaft phaser also includes a valve spool which moves along the axis within said valve bore, the valve spool having a land which varies a flow area between the valve bore and the annular groove and between the valve bore and the passage.

Abstract: A camshaft adjusting device, wherein said camshaft adjusting device has a lubricant supply unit, wherein the lubricant supply unit has a filter device for filtering the lubricant, wherein the filter device has at least one lubricant inlet, at least one lubricant outlet and at least one filter path, wherein the lubricant inlet and the lubricant outlet are fluidically connected to each other by way of the filter path, and wherein an output shaft of the camshaft adjusting device has two wall sections, wherein the at least one filter path is configured in a filter volume between the two wall sections, and wherein the lubricant inlet is at a smaller distance from the axis of rotation than the lubricant outlet, and the filter path extends at least in sections in the radial direction with respect to the axis of rotation.

Abstract: A continuous variable valve duration apparatus may include a camshaft, a first and second cam portions on which a cam is formed respectively, of which the camshaft is inserted thereto and of which relative phase angles with respect to the camshaft are variable, a first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively, a slider housing in which the first and second inner brackets are rotatably inserted, of which a relative position with respect to the camshaft is variable, and on which a control slot is formed, a cam cap rotatably supporting the first and the second cam portions and to which the slider housing is slidably mounted, a control shaft parallel to the camshaft and on which a control rod is eccentrically formed, an eccentric plate rotatably connected to the control rod and rotatably inserted into the control slot, a separation prevention pin disposed to inhibit the eccentric plate from being separated from the slider housing and a contr

Abstract: A heat shield comprising a sidewall portion, a top portion, and a plurality of flexible tabs attached to the sidewall portion is described herein, in accordance with various embodiments. The top portion may comprise an aperture. The sidewall portion may extend at an angle between 80 degrees and 100 degrees from the top portion. The sidewall portion may bound a hexagonal void. The flexible tab may comprise an angle between 80 degrees and 100 degrees. The flexible tab may be fixed to the sidewall portion, wherein the flexible tab is configured to be attached to a fitting.

Abstract: An oil drain plug and wireless oil level sensor assembly is provided including an oil drain plug having a shaft and a head, the shaft having external threads and an axial passage extending axially therein in communication with at least one radial passage extending through the shaft from the axial passage to an exterior of the shaft. An oil level sensor includes a housing having an annular mounting portion defining an aperture extending there through for receiving the shaft of the oil drain plug. A pressure transducer is in fluid communication with the aperture and connected to a circuit and a battery disposed within the housing that provide wireless signals representative of the oil level.

Abstract: Burning of hydrocarbon fuels in a combustion engine creates pollutants that include carbon monoxide, nitrogen oxides, and various hydrocarbons. Catalytic converter which is designed to reduce such pollutants relies on precious metal catalysts like platinum. There is an ongoing need to find more effective methods of pollution control as well as cheaper alternatives to precious metals. The solution proposed in this disclosure takes advantage of electrical characteristics of exhaust gases. Some of the pollutants in the exhaust gas exhibit positive electron affinity. Such pollutants are converted to negative ions by providing extra electrons. Many of the pollutants have charge distributions which facilitate electrical interactions with the ions. They are attracted to the ions to form clusters. Pollutant clusters formed as such are separated from the rest of the exhaust gas by electric and/or magnetic forces.

Abstract: A cleaning system for reducing SOx and particulate matter in exhaust gases from a marine combustion engine, burner or boiler. The cleaning system comprises first and second scrubber process loops having first and second scrubber, respectively, and first and second water circulation tanks, respectively. Water from the first tank is evaporated to water vapor inside the first scrubber by contact with the exhaust gases, whereby the water vapor and the exhaust gases form humid exhaust gases. The humid exhaust gases are transferred to the second scrubber, wherein water from the second tank condensates the water vapor in the humid exhaust gases. A reflux of water from the second scrubber process loop to the first scrubber process loop is provided. At least 60% and more preferred at least 90% of a total amount of alkaline agent supplied to the cleaning system is supplied to the second scrubber process loop.

Abstract: A dosing valve includes at least a valve housing with a duct, a valve body being movable in order to open and close the dosing valve and a spring exerting a spring force on the valve body and thus holding the valve body in a rest position. The spring is supported on at least one calibration body. The valve body, the spring and the at least one calibration body are disposed in the duct. The at least one calibration body is fastened in the valve housing at least by using a cohesive or material connection. A method for producing the dosing valve and a motor vehicle having the dosing valve are also provided.

Abstract: A device for aftertreatment of exhaust gas includes: a prechamber having an exhaust gas inlet; a main chamber; a mixing device, in which the exhaust is mixable with an additive; and an intermediate device, via which a partial exhaust gas flow is deliverable from the prechamber to the mixing device. The intermediate device has swirl elements configured to reverse the direction of swirl of swirled exhaust gas flow generated in the prechamber as the exhaust gas overflows into the interior of the intermediate device, and/or the prechamber is configured to impel a first partial exhaust gas flow in a direction of swirl, and the main chamber is configured to impel a second partial exhaust gas flow from the prechamber in a direction of swirl, the direction of swirl of the exhaust gas in the prechamber being opposed to the direction of swirl of the exhaust gas in the main chamber.

Abstract: Heat from a rotating prime mover(s) driving a fluid shear pump, heat from the prime mover and any exhaust heat generated by the prime mover is collected. The heat energy collected from all of these sources is transmitted through heat exchangers to a fluid where heat energy is desired. This fluid heating process is performed in the absence of an open flame.

Abstract: An integrated air shroud assembly is provided for a motor vehicle. That air shroud assembly includes a body having a radiator opening, a charge air cooler opening and a cooling fan opening. The charge air cooler opening is offset from the radiator opening and the radiator opening and the charge air cooler opening are in parallel communication with the cooling fan opening.

Abstract: A cooling system circulates a cooling medium between an engine and a radiator. The cooling system includes a determination unit. The determination unit sets a relatively small predetermined value for a threshold when a thermostat is closed, and sets a predetermined value larger than the predetermined value for the threshold when the thermostat is open. The determination unit determines that there is a stuck-closed failure in a selector valve when a temperature difference between a coolant temperature from a first coolant temperature sensor and a coolant temperature from a second coolant temperature sensor is larger than or equal to the threshold.

Abstract: A pre-chamber assembly for an internal combustion engine is disclosed. The pre-chamber assembly may have a pre-chamber main body configured to be mounted to the internal combustion engine and defining at least a portion of a pre-chamber extending along a longitudinal axis. The pre-chamber assembly may also have an ignition electrode. The ignition electrode may have a center electrode and at least one electrode arm extending from the center electrode at least partially into the pre-chamber. The at least one electrode arm may extend in both a radial direction with respect to the longitudinal axis and an axial direction with respect to the longitudinal axis. Additionally, the pre-chamber assembly may have a mass element including at least one radial inner face facing the at least one electrode arm. The at least one radial inner face may be non-parallel with respect to the longitudinal axis.

Abstract: An intake manifold for a charged internal combustion engine has an intercooler provided with coolant connectors that is disposed in an intake manifold housing. The intake manifold housing has at least two housing parts including a basic housing part. The intake manifold housing is provided with at least one inlet and at least one outlet for charge air and is further provided with at least one passage for the coolant connectors of the intercooler. The intercooler is arranged between the at least one inlet and the at least one outlet so as to be flowed through by the charge air. The intercooler is fastened in the basic housing part by a fastening device such that the intercooler separates at least on one side of the basic housing part the at least one inlet seal-tightly from the at least one outlet.

Abstract: An internal-combustion-engine supercharger includes a centrifugal compressor, a pre-compression flow path, a post-compression flow path, a bypass passage, and a control valve. The centrifugal compressor is disposed in an intake passage of an internal combustion engine and has an impeller to compress and discharge intake air using a radial centrifugal force generated by rotating the impeller. The intake air in the post-compression flow path is to be recirculated to the pre-compression flow path via the bypass passage. A connecting portion between the bypass passage and the pre-compression flow path is disposed at a position other than an extreme-bottom surface portion located at a lowest portion in a flow path section of the pre-compression flow path in a state where the internal-combustion-engine supercharger is installed in a vehicle. The control valve is disposed in the bypass passage to control a recirculation flow rate of the intake air.

Abstract: An object is to provide an engine in which the exhaust manifolds capable of switching a dynamic pressure supercharging method and a static pressure supercharging method can be easily changed to the exhaust manifolds only of the dynamic pressure supercharging method or only of the static pressure supercharging method without replacing exhaust manifolds themselves. In an engine in which a plurality of independent exhaust manifolds is respectively connected to a supercharger, end parts of the exhaust manifolds are coupled to each other by one or more coupling pipes, an on/off valve that brings the exhaust manifolds into an independent state is provided each of in the coupling pipes, and the coupling pipe is configured such that a part including the on/off valve or the on/off valve is detachable from the exhaust manifolds.

Abstract: A supercharger-equipped combustion engine includes a crankcase supporting a crankshaft extending in a widthwise direction of a vehicle, and a cylinder block disposed above the crankcase. A supercharger is disposed above the crankcase and rearward of the cylinder block and driven by power of the crankshaft. The power of the crankshaft is transmitted to the supercharger through a counter shaft which rotatably supports a counter gear. The counter shaft extends parallel with the crankshaft, and a starter gear is arranged on the counter shaft so as to be aligned in the widthwise direction. The counter shaft is disposed rearward of the crankshaft, and the supercharger is disposed rearward of the counter shaft. A starter motor meshing with the starter gear is disposed frontward of the supercharger.

Abstract: An internal combustion butterfly engine system includes a cylindrical housing; a first cylindrical snitch rotabably carried within the cylindrical housing and having a first tab and a second tab; a second cylindrical snitch rotabably carried within the cylindrical housing; a plurality of chambers; a plurality of spark plugs secured to the cylindrical housing and in gaseous communication with the plurality of chambers; a plurality of injectors secured to the cylindrical housing and in gaseous communication with the plurality of chambers; a bevel gear mechanism disposed within a center opening formed by the cylindrical housing, the first cylindrical snitch, and the second cylindrical snitch, the bevel gear mechanism is configured to cause the first cylindrical snitch to rotate in a direction opposite to a rotation of the second cylindrical snitch within the housing; and a ratchet and pawl mechanism disposed within the center opening and secured to the first cylindrical snitch and the second cylindrical snitch.

Abstract: An intake system is arranged in a side portion of one side of an engine body in a left-right direction, and the exhaust passage and the air pump are arranged in a side portion of the other side of the cylinder block and the cylinder head of the engine body in the left-right direction.

Abstract: A multi-joint crank drive of an internal combustion engine includes at least one coupling member supported on a crankpin of a crankshaft for rotation about a coupling member rotation axis; and at least one articulated connecting rod supported on a crankpin of an eccentric shaft for rotation about an eccentric rotation axis, wherein the at least one coupling member is connected with a piston connecting rod of a piston of the internal combustion engine for pivoting about a piston connecting rod rotation axis, and with the at least one articulated connecting rod for pivoting about an articulated connecting rod rotation axis, and wherein a rotation axis of the eccentric shaft is situated above a plane which receives a rotation axis of the crankshaft and is perpendicular to at least one cylinder longitudinal center axis, and wherein, respectively in relation to a total travel of the piston.

Abstract: The novel, Compact and Non Vibrating Endothermic Engine (CoNVEE) is an internal combustion engine with reciprocating motion of the pistons inside one cylinder. The “CoNVEE” has the mechanism for the transformation of the axial reciprocating motion of the pistons into rotational motion of the motor shaft. Its innovative architecture makes the engine more compact, given the same delivered power, with respect to the current state of the art. The CoNVEE core occupies a very reduced volume, with a very limited number of moving parts which act in perfect anti-symmetry, compensating all inertia forces developed. The CoNVEE may be conveniently used with any type of propulsion fuel and, particularly, for those applications which require high power density and low vibration in the motor.

Abstract: A variable bleed valve includes a variable bleed valve door disposed in a bleed inlet in transition duct and rotatable about an axis at or near a forward end of door. Valve is operable to open and close a bleed slot open to a booster bleed flowpath located outwardly of transition duct and having an airflow restrictor. Airflow restrictor may be variable such as a flapper valve. Booster bleed flowpath may pass through a bifurcated bleed duct including an inner passage radially bound by spaced apart inner and middle bleed walls and an outer passage radially bound by middle bleed wall and an outer bleed wall. Airflow restrictor may include an outlet area smaller than an inlet area of inner passage. Door seals against middle bleed wall to open inner passage and against outer bleed wall to open both passages.

Abstract: A gas turbine engine has a first particle separator stage including a surface for impacting air at outer periphery of an air flow passage, capturing impacted particles at the outer periphery, and routing captured particles towards a second particle separator stage. Air inward of the first particle separator stage passes towards a core of the engine. Cleaner air upstream of the second particle separator stage is utilized for an air function at a location other than the core engine. A particle discharge is disposed downstream of said second particle separator stage.

Abstract: A coupling arrangement for a gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a conduit between a first frame case defining a frame axis and a second frame case. A flange is coupled to the conduit defining a first axis and abuts the first frame case. A capture plate coupled to the conduit defines a second axis and abuts the second frame case. The first axis is offset relative to the second axis in an axial direction relative to the frame axis.

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: In at least one aspect of this disclosure, a shut off valve for an ecology fuel return system can include an inlet for receiving a fluid, an outlet for effusing the fluid, and a valve member configured to move between an open position such that the valve member allows fluid to effuse from the outlet and a closed position such that the valve member prevents fluid from effusing from the outlet. The valve member can include a pressure deflector configured to prevent fluid flow from biasing the valve member toward the closed position.