Abstract: A foil assembly for a gas powered turbine includes a plurality of floating wall sectors arranged circumferentially about an axis defined by a flowpath. Each of the floating wall sectors includes a first flowpath strut component, a second flowpath strut component, a floating wall panel connected to the first flowpath strut component by a first clamp seal at a first axial joint and connected to the second flowpath strut component by a second clamp seal at a second axial joint, and a plurality of leading edge structures fore of the plurality of floating wall sectors. Each of the leading edge structures is configured to define a foil profile in conjunction with a first flowpath strut component of a first floating wall sector and an adjacent flowpath strut component of a second floating wall sector.

Abstract: The present disclosure relates generally to a seal between two circumferential components. The seal comprises one or more rope seals retained within the seal cavity by a carrier.

Abstract: A mid-turbine frame (MTF”) for a jet engine is disclosed and comprises a duct that extends between a high pressure turbine (“HPT”) and a low pressure turbine (“LPT”), the duct comprising a plurality of segments that together form an outer annular structure and an inner annular structure, the inner annular structure situated radially inward of the outer annular structure, and/or a plurality of vanes that extend radially outward from the inner annular structure toward the outer annular structure, each vane comprising a channel. Each segment may be coupled to an adjacent segment by a seal.

Abstract: A turbine secondary air system seal arrangement (62). The arrangement comprises a first seal land (70) facing radially inwardly; a second seal land (80) facing radially outwardly; and first labyrinth seal teeth (76) directed radially outwardly to seal against the first seal land (70). Also second labyrinth seal teeth (78) directed radially inwardly to seal against the second seal land (80). The first seal land (70) is configured to move radially relative to the second seal land (80) or the first seal teeth (76) are configured to move radially relatively to the second seal teeth (78) to accommodate differential movement of the lands (70, 80) and teeth (76, 78) during use of the seal arrangement (62).

Abstract: A turbine shroud for a gas turbine engine includes an annular metallic carrier and a blade track. One or more cavities are formed between the carrier and blade track to provide cooling air to the blade track.

Abstract: Systems and methods are provided for managing temperatures associated with a throttle loss recovery system. One exemplary system includes a flow control assembly for recovering energy from a fluid bypassing a flow control valve based on an orientation of the flow control valve, a conduit providing fluid communication with the flow control assembly for the portion of the fluid flow bypassing the flow control valve, and an electronics assembly including an electronics module coupled to the flow control assembly. At least a portion of the electronics assembly is in fluid communication with the portion of the fluid flow bypassing the flow control valve, thereby allowing for heat transfer between the electronics assembly and the fluid bypassing the flow control valve.

Abstract: A generator uses a working fluid in a single-cycle Rankine engine for up to three purposes: generation of electricity; generation of hot water from heat exchanger; and generation of chill by the evaporation of liquefied working fluid. The working fluid, which may be carbon dioxide, goes through a single Rankine cycle for both heat engine and heat pump. Instead of using a pump to liquefy the working fluid, the working fluid experiences cryogenic liquefaction method under controlled pressure. The Hui turbine is used for electricity generation. Heat source for the combined heat pump and heat engine could come from concentrated solar power or from burning a fossil fuel.

Abstract: Systems and methods are provided for managing temperatures associated with a flow control assembly, such as a throttle loss recovery assembly. One exemplary method of operating a flow control assembly generating electrical energy in response to a bypass fluid flow influenced by an orientation of a flow control valve involves operating the flow control assembly to deliver the electrical energy to a vehicle electrical system and automatically adjusting operation to increase heat generation at the flow control assembly in response to a temperature condition, such as a potential icing condition or a cold start condition.

Abstract: A high-cycle, short range-of-motion linkage apparatus for actuation of a turbofan engine component includes a pivot member having a head portion and a stem, and an actuator moveable between a first and second position. An actuator first end defines a receiving portion into which the stem is removably secured. An actuator second end defines a coupling member pivotally connected to a turbofan engine structural member and moveable between a first and second position corresponding to the actuator first and second positions. A spherical plain bearing pivotally connects the pivot member head to the turbofan engine component and includes an inner member, an outer member swaged around the inner member and disposed between the inner member and the head of the pivot member, and a liner disposed between the inner and outer members. The outer member defines a range of motion in relation to the inner member up to 90°.

Abstract: A variable geometry system turbocharger includes an annular heat shield plate which shields heat from a turbine wheel side. The heat shield plate is integrally provided at a central part of a side surface of a bearing housing opposed to a back surface of a turbine disk. A first seal ring is provided between an inner peripheral surface of a first nozzle ring and an outer peripheral surface of the heat shield plate. A second seal ring is provided between an inner peripheral surface of a second nozzle ring and an outer peripheral surface of a protrusion of a turbine housing.

Abstract: A diagnosis device for a turbocharger, the diagnosis device includes an electronic control unit. The electronic control unit is configured to calculate a turbine expansion ratio as a ratio of a pressure of the exhaust gas flowing into a turbine of the turbocharger to the pressure of the exhaust gas flowing out from the turbine; operate a deterioration evaluation value toward a predetermined one of an increase side and a decrease side when the turbine expansion ratio exceeds a threshold; and determine a replacement timing of a turbine component when a total operation amount of the deterioration evaluation is equal to or larger than a specified value, the total operation amount being an operation amount from an initial value of the deterioration evaluation value.

Abstract: Portable aircraft turbine engine washing systems and methods are provided. One such washing system has a portable base unit, a wash line connectable to the portable base unit and configured to be connected to an aircraft turbine engine or a fluid delivery cleaning device, and a water tank movable with the portable base unit and can hold water. A water pump apparatus is movable with the portable base unit and can pump water out of the water tank and into the wash line. A solution tank is movable with the portable base unit and can hold a solution. A solution pump apparatus is also movable with the portable base unit and can pump solution from the solution tank into fluid communication with the wash line. A controller apparatus adjustably controls a dilution ratio of the solution with water while the solution and water are pumped into the wash line.

Abstract: The present disclosure relates generally to the field of guide vanes for gas turbine engines. More specifically, the present disclosure relates to a compressed chopped fiber composite inlet guide vane for a gas turbine engine.

Abstract: A vane assembly for a gas turbine engine is disclosed herein. The vane assembly includes an inner platform, an outer platform, and a ceramic-containing airfoil that extends from the inner platform to the outer platform. The ceramic-containing airfoil is manufactured to have radially discontinuous ribs spaced radially apart from one another between the inner platform and the outer platform.

Abstract: Turbine assemblies, loss recovery systems, and related fabrication methods are provided for managing temperatures associated with an electrical generator. One exemplary turbine assembly suitable for use in a loss recovery system includes a wheel configured to rotate in response to a portion of a fluid flow bypassing a flow control valve, a generator including a stator assembly disposed about a rotor coupled to the wheel to rotate in response to rotation of the wheel, a conductive structure in contact with the stator assembly, and an insulating structure radially encompassing the conductive structure and the generator. The conductive structure accesses at least a portion of the fluid flow bypassing the flow control valve and impacting the wheel, thereby providing thermal coupling between the stator assembly and the bypass fluid flow to transfer heat from the stator assembly to the bypass fluid flow via the conductive structure.

Abstract: A mid-turbine frame for a gas turbine engine according to an example of the present disclosure includes, among other things, a first frame case, a flange coupled to the first frame case, and a heat shield adjacent to the flange and between adjacent spokes. A method of cooling a portion of a gas turbine engine is also disclosed.

Abstract: A bearing housing may include a main body integrated with a bearing receiving portion. A bearing retention stop may extend from the main body and include a plurality of access cutouts for facilitating the removal of a bearing from the bearing housing without causing damage to the bearing.

Abstract: A gas turbine engine has a turbine driving a gear reduction. The gear reduction drives a fan drive shaft assembly to, in turn, drive a fan rotor at a reduced speed relative to the turbine. A generator generates current upon rotation of the fan drive assembly. The generator supplies electric current to an electric motor driven pump. The electric motor driven pump delivers lubricant to components within the gear reduction.

Abstract: Provided is a turbine housing that comprises: a scroll unit; a flat annular cover (6) that is disposed in a state where one end face abuts a flanged portion (20a) of the scroll unit and that is welded to the flanged portion (20a); an annular seal portion (4) that extends from a basal end (4a) welded to the inner circumferential side of the other end face of the annular cover (6) to the distal end (4b) disposed further to the exterior than the basal end (4a) in the radial direction and that comprises a member that can be elastically deformed; and a plurality of threaded bushings (16) that are each welded in a plurality of locations on the outer circumferential side of the other end face of the annular cover (6) and that have fastening holes (16a) for fastening bolts (40) inserted along the direction of the axis of rotation.

Abstract: The invention can be used in energy technology. In the method for conversion with recovery of energy carriers in a cyclical process of a thermal engine, a first recirculation cycle is formed: gas generator (1)—device (4) for converting kinetic and thermal energy into mechanical energy—hydrogenation reactor (5)—gas generator (1). The water is evaporated in steam boilers (2, 6), and the steam is then fed into a device (7) for converting the steam energy into mechanical energy, for instance into a turbine. In the process the steam boilers (2, 6) are located in the gas generator (1) and in the hydrogenation reactor (5). The steam is carried onward from the conversion device (4) into a condenser (8), and a second recirculation cycle is formed. Atmospheric oxygen from an air bubble is supplied to the gas generator (1). The air is cooled, and the cooling operation is repeated, until a maximum residual water content in the air of 0.2 g/m3 is attained.

Abstract: A system includes a controller communicatively coupled to a compressor. The controller is configured to sense an exhaust temperature of a gas turbine system fluidly coupled to the compressor and derive a setpoint based on the sensed exhaust temperature. The controller is also configured to actuate an inlet bleed heat valve based on the derived setpoint and an ambient temperature. The inlet bleed heat valve directs a compressor fluid from the compressor into a fluid intake system fluidly coupled to the compressor upstream of the compressor and configured to intake a fluid.

Abstract: An internal combustion engine includes a cylinder head, a crankshaft, intake and exhaust camshafts, first and second chain covers, a chain, and a fastening bolt. The first chain cover having a cutout includes a first flange positioned at a specific edge portion of the cutout, which is positioned between the crankshaft and the camshafts, and a first boss through which a shaft portion of the fastening bolt is passed. The cylinder head includes a second flange, and a second boss into which the shaft portion is inserted, and which is disposed coaxially with the first boss. The liquid gasket is held between the second flange and the first flange. A groove is provided in at least one of a position between the first flange and the first boss of the first chain cover and a position between the second flange and the second boss of the cylinder head.

Abstract: An actuator for a valve in an internal combustion engine includes a housing, an electric drive unit arranged in an interior of the housing, an aeration opening arranged in the housing, a plug configured to electrically connect the electric drive unit to a voltage source, and a membrane comprising pores. The membrane is configured to close the aeration opening in the housing.

Abstract: An exhaust gas purification catalytic device 1 contains Pt, Pd, and Rh as catalytic metals. The catalytic metal Pt is loaded on silica-alumina which serves as a support, and Pt-loaded silica-alumina obtained by loading the Pt on the silica-alumina is contained in a catalytic layer with which an exhaust gas contacts first.

Abstract: A method is disclosed for evaluating a soot quantity accumulated in a Selective Catalytic Reduction wash-coated particulate filter of an internal combustion engine. The internal combustion engine is equipped with an exhaust gas aftertreatment system including an urea injector. Using a map correlating a urea quantity value, a NOx quantity value, a temperature value and a mass flow value to a correction value of a soot quantity is used to correct an estimated value of the soot quantity in order to obtain an evaluated value of the soot quantity.

Abstract: An exhaust gas control apparatus includes an exhaust passage, a urea water tank, a urea adding valve, a urea pump, a pipe, and an electronic control unit. The electronic control unit is configured to drive the urea pump to perform a filling control when a condition requiring an execution of urea water addition to the exhaust gas in the exhaust passage by the urea adding valve is satisfied so that the pipe is filled with the urea water. The electronic control unit is configured to execute the filling control when an exhaust pressure of the exhaust passage is equal to or less than a specified value. The electronic control unit is configured to stop the filling control when the exhaust pressure of the exhaust passage exceeds the specified value during the execution of the filling control.

Abstract: A method for nitriding of at least one component of an aftertreatment system is provided. The method includes passing heated gases through the at least one component of the aftertreatment system. The method also includes heating the at least one component, based on the passage of the heated gases. The method further includes dosing a reductant into the at least one component. The method includes forming a nitride layer on an inner surface of the at least one component, based on the passage of the heated gases and the dosing of the reductant. The method also includes controlling the formation of the nitride layer on the at least one component based on adjusting at least one of the passage of the heated gases or the dosing of the reductant.

Abstract: The invention relates to a malfunction diagnosis device for an exhaust gas purification catalyst of an engine. The device calculates, on the basis of a parameter of the engine other than an output value of a NOx concentration sensor, (a) an estimated NO concentration of the exhaust gas and expected to flow out from the catalyst and (b) an estimated particular component concentration of the exhaust gas and expected to flow out from the catalyst. The device calculates an expected output value such that the expected output value calculated when the influence parameter value is a first value is smaller than the expected output value calculated when the influence parameter value is a second value, the expected output value being an output value which is expected to be output from the sensor when the exhaust gas, which includes NO having the expected NO concentration and the particular component having the expected particular component concentration, reaches the sensor.

Abstract: A marine engine exhaust system is provided that utilizes a single catalyst housing through which exhaust gases from multiple heads of an exhaust system flow. A first conduit directs a first exhaust gas from a first engine head or exhaust manifold to the catalyst, and a second conduit directs a second exhaust gas from a second engine head or exhaust manifold to the catalyst. The first and second conduits may be separate or may merge prior to the catalyst. The catalyst includes a housing and at least one substrate to convert the first and second exhaust gases into processed exhaust gas. A third conduit directs the processed exhaust gas away from the catalyst. At least one pre-sensor may be located upstream of the catalyst housing, and at least one post-sensor may be located downstream of the catalyst housing.

Abstract: A heat insulator includes a first covering part and a second covering part. The first covering part is configured to cover a bent part formed in an exhaust pipe of an internal combustion engine. The first covering part has a plurality of slits extending in a circumferential direction of the exhaust pipe. The plurality of slits are arranged with a given space from each other in a direction in which the exhaust pipe extends such that a plate part between slits is present between the plurality of slits. The second covering part covers the other part of the exhaust pipe than the bent part. At least a part of the second covering part is bonded to the exhaust pipe.

Abstract: A engine device for a work vehicle, in which an engine, a first case, and a second case can be constituted in the same vibration structure, and exhaust gas path structure between the engine and the second case can be constituted in such a manner as to reduce costs. The engine device for a work vehicle according to the present invention of the instant application includes the first case for removing particulate matter in exhaust gas of the engine and the second case for removing nitrogen oxides in the exhaust gas of the engine, and configured to connect the first case to the second case via a urea mixing pipe. The engine, the first case, and the second case are integrally adhered, and the engine, the first case, and the second case are configured to be integrally vibrated in a swingable manner.

Abstract: A method for controlling a fan. The method includes determining an actual air flow over an engine of a vehicle at a current time, and determining a necessary air flow over the engine for maintaining an appropriate engine coolant temperature. The actual air flow is associated with the vehicle traveling in a first direction. The method further includes estimating a future air flow over the engine that is associated with the vehicle travelling in a second direction. The method also includes controlling a fan operating characteristic based on the actual, necessary, and future air flows.

Abstract: A method for controlling a fan. An ECU estimates the time for an engine to reach a substantially decreased engine load relative to a current engine load. The ECU determines whether the time to reach the substantially decreased engine load is within a threshold. And the ECU controls a fan operating characteristic based on whether the time is within the threshold.

Abstract: An electrically motorized coolant pump includes a pump housing, a pump impeller being driven in a pump chamber, two suction-side intake ducts and a pressure-side outflow duct for the coolant. A control actuator that can be hydraulically actuated in response to a demand for coolant is disposed in a housing section of the pump housing between the suction side and the pressure side and the control actuator is coupled to a control element so as to open and close the intake ducts.

Abstract: An engine cooling system having thermostat may include a cylinder head disposed on a cylinder block and forming a combustion chamber with the cylinder block, and configured to include an intake port and an exhaust port connected to the combustion chamber, a coolant valve configured to receive a coolant that is passed through the cylinder head and the cylinder block and exhausted from each of a first side of the cylinder head and the cylinder block, and configured to distribute the coolant to cooling elements, an oil cooler disposed to control temperature of an oil that circulates through the cylinder head or the cylinder block, and a thermostat configured to receive a coolant exhausted from a second side of the cylinder block, and selectively transmit the coolant to the oil cooler.

Abstract: An engine assembly includes an engine head defining a block coolant outlet, a head coolant outlet, and a block coolant inlet. The engine assembly further includes a thermal control module coupled to the engine head. The thermal control module includes a support body and a hot coolant gallery supported by the support body. The hot coolant gallery is in fluid communication with the head coolant outlet and the block coolant outlet. The engine assembly also includes a cold coolant gallery supported by the support body. The cold coolant gallery is in fluid communication with the block coolant inlet. The engine assembly additionally includes a bypass conduit fluidly coupled between the hot coolant gallery and the cold coolant gallery. The support body supports the bypass conduit.

Abstract: A temperature control device for an internal combustion engine includes a determining drive processor and an abnormality determining processor. The determining drive processor drives an electric pump when the difference between the water temperature and the ambient temperature is greater than or equal to a predetermined value while the electric pump is stopped. The abnormality determining processor determines that at least one of the water temperature sensor and the ambient temperature sensor is abnormal on a condition that the decrease amount of the water temperature. The determining drive processor includes a stopping processor, which stops driving of the electric pump when the cumulative amount of coolant discharged from the electric pump reaches the predetermined cumulative amount with driving of the electric pump. The predetermined cumulative amount is set according to the volume of the engine passage between the inlet of the engine passage and the water temperature sensor.

Abstract: Provided is a compact boiling cooling system for an internal combustion engine that can operate in a stable manner. A lower end (4c) of a water jacket (4) of an engine (1) is connected to a lower tank (7c) of a radiator (7), and an upper end (4d) of a water jacket is connected to an upper part (7a) of the radiator. A substantially entire part of the radiator is located above the upper end of the coolant jacket so that the boiling cooling water is forwarded from the upper end of the water jacket to the upper part of the radiator, and the cooling water condensed in the radiator is forwarded from the lower end of the radiator to the lower end of the water jacket under the gravitational force without requiring a pump.

Abstract: An internal combustion engine where a tumble flow is generated inside a combustion chamber includes: a spark plug; an in-cylinder injection valve that injects fuel at a specific timing so that a fuel spray proceeds towards the vortex center of the tumble flow at the time of stratified charge combustion operation; and a control device that, in a case where the size of a combustion fluctuation during the stratified charge combustion operation is greater than a determination value, changes an in-cylinder injection ratio so that a plug-periphery air-fuel ratio becomes richer. The changing of the ratio is performed by, first, decreasing the ratio by a fixed amount, and when the plug-periphery air-fuel ratio becomes richer as a result thereof, continuing to decrease the ratio, while when the aforementioned result is that the plug-periphery air-fuel ratio becomes leaner, increasing the ratio.

Abstract: Stable combustion is achieved in an internal combustion engine, in cases where an air stream has occurred in a cylinder. The engine includes a fuel injection valve having a first nozzle hole and a second nozzle hole, and an spark plug disposed at a position through which the swirling flow flows, and which is at the downstream side of the flow of the swirling flow from an extension line of the first nozzle hole and at the upstream side of the flow of the swirling flow from an extension line of the second nozzle hole, for igniting a spray of fuel injected from the fuel injection valve, wherein the first nozzle hole and the second nozzle hole are formed in such a manner that the shortest distance from the extension line of the first nozzle hole to the spark plug becomes longer than the shortest distance from the extension line of the second nozzle hole to the spark plug.

Abstract: Apparatuses, systems and methods for utilizing crankcase compression air to effect forced air induction (i.e. “boost”) into the combustion chamber of an internal combustion engine is provided. In some embodiments, the apparatuses are a supercharger apparatus that is attached to an existing engine. In other embodiments, the supercharger components are located within the structure of a novel engine itself. An embodiment of the apparatus includes a conduit that includes three inlets: 1) an inlet that is capable of being placed in fluidic communication with the crankcase chamber of an engine; 2) an inlet that is capable of being placed in fluidic communication with an intake to a combustion chamber of the engine; and 3) an inlet in fluidic communication with the atmosphere.

Abstract: A supercharging device is provided for an internal combustion engine that has at least one exhaust gas turbocharger (1, 2) and at least one charge air cooler (LLK) arranged in the outflow of the exhaust gas turbocharger (1, 2). An additional electrically driven compressor (e-booster 6, 7) is arranged downstream of the charge air cooler (LLK) in a bypass (5) to the main flow line (3) to the throttle valve (4) of the internal combustion engine. The main flow line (3) can be closed by a check valve (9) that acts in the direction of a return flow.

Abstract: A housing, a solenoid disposed in the housing, a pin that can be moved by the solenoid, and a piston connected to the pin. The housing has a first canister-type part and a second annular part, the second annular part being connected to the first canister-type part and having at least two axial drillings.

Abstract: Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control.

Abstract: A cyclone separator having a circular cross section is arranged upstream of an air filter. An introduction passage extends from a branch air inlet, which is provided at a position displaced from a main passage, to the cyclone separator. A margin space where at least part of air introduced in the introduction passage flows is formed in the introduction passage before the cyclone separator. A swirl flow occurring in the cyclone separator starts at this margin space.

Abstract: A portable flexible fuel generator, having an engine, includes: a cylinder and a spark plug in the cylinder, a primary fuel tank fluidly connected to the cylinder, an air intake path fluidly connecting atmosphere to the cylinder, a start module including a starting fuel tank holder and a starting fuel line, where the starting fuel line is fluidly connected to the air intake path, a coolant path which provide a flow path for coolant to cool the cylinder, and a thermal controller along the coolant path. Furthermore, the engine has full cylinder cooling.

Abstract: A connecting rod (10) has a pin bearing eye connected to a crankshaft and a connecting rod bearing eye (12) connected to a piston. An eccentric adjusting device (13) adjusts an effective connecting rod length and has eccentric rods (15, 16) that act on an eccentric lever (14) of the adjusting device (13). The eccentric adjusting device (13) has an eccentric (36) guided in a recess of the lever (14) and a recess for receiving a gudgeon pin (37). Lubricating oil bores extend radially of the eccentric in the connecting rod bearing eye (12) and in the eccentric (36). Lubricating oil builds up via the lubricating oil bores between the connecting rod bearing eye (12) and the eccentric (36) and between the eccentric (36) and the gudgeon pin (37). Lubricating oil bores of the eccentric (36) are diametrically larger than lubricating oil bores of the connecting rod bearing eye (12).

Abstract: A connecting rod (10) has a crankpin bearing eye (11) attached to a crankshaft (38) and a connecting-rod bearing eye (12) attached to a piston. An eccentric adjustment device (13) adjusts an effective connecting rod length and has eccentric rods (15, 16) that engage a lever (14) of the eccentric adjustment device (13). Each eccentric rod (15, 16) has a piston (20, 21) guided in a hydraulic chamber (22, 23). The hydraulic chambers (22, 23) can be charged with hydraulic oil from first hydraulic lines (41) that lead to the crankpin bearing eye (11) and second hydraulic oil lines (24, 25) that lead from the crankpin bearing eye (11). Check valves (26, 27) prevent a backflow of hydraulic oil back into the second hydraulic lines (24, 25). At least one filter prevents an ingress of contaminants from the crankshaft into the hydraulic chambers (22, 23) via the hydraulic oil.

Abstract: A filter assembly including a filter media sized for positioning within an air induction system, the filter media possessing a first side and a second side substantially opposite the first side. The filter assembly includes a layer of sound absorbing foam positioned adjacent one of the first side of the filter media and the second side of the filter media, the sound absorbing foam including a plurality of perforations therein, the plurality of perforations permitting air to flow through the filter media and the layer of sound absorbing foam.

Abstract: A magnetic gearbox for use in a gas turbine engine includes an inner rotor assembly, a stator assembly, and an outer rotor assembly. The inner rotor assembly includes a first plurality of permanent magnets and an inner rotor. The outer rotor assembly includes an outer rotor and a second plurality of permanent magnets. Each of the inner and outer rotors include a plurality of slots to receive an attachment portion of each of the first and second plurality of permanent magnets to secure the plurality of magnets relative to the rotors during rotation.