Abstract: Vehicle assemblies, such as engine assemblies, including an integrated cylinder head and plurality of liners as well as a polymeric composite housing are provided. Methods of making such vehicle assemblies are also provided.

Abstract: Methods of joining components to form vehicle assemblies, such as engine assemblies, are provided. The methods include arranging a first component having a first channel defined therein in a mold, arranging a second component having a second channel defined therein in the mold, and aligning the first and second channel to define a pin-receiving channel. At least one polymeric composite pin is inserted into the pin-receiving channel thereby joining the first and second components, wherein an adhesive is disposed adjacent to at least a portion of the polymeric composite pin.

Abstract: A turbofan engine includes fan section including a plurality of fan blades, a gear train, a low spool including a low pressure turbine and a low pressure compressor, the low pressure turbine driving the plurality of fan blades through the gear train, and a high spool including a high pressure turbine driving a high pressure compressor. A fan nacelle at least partially surrounds a core nacelle to define a fan bypass flow path. A fan variable area nozzle is in communication with the fan bypass flow path and defines a fan nozzle exit area between the fan nacelle and the core nacelle. The fan variable area nozzle varies the fan nozzle exit area.

Abstract: A method of designing an engine according to an exemplary aspect of the present disclosure includes, among other things, designing an engine and a nacelle assembly together in an interactive process, the engine including a turbine section configured to drive a fan section and a compressor section. The step of designing the compressor section includes the step of designing a first compressor and a second compressor, with an overall pressure ratio being greater than or equal to about 35. The step of designing the nacelle assembly includes the step of designing the fan section to include a fan nacelle arranged at least partially about a fan, with the fan section having a fan pressure ratio of less than about 1.7. The step of designing the fan section includes configuring the fan section to deliver a portion of air into the compressor section, and a portion of air into a bypass duct, and with a bypass ratio equal to or greater than about 5.

Abstract: The present disclosure relates to propellant grain configuration in solid rocket motors. In one embodiment, the propellant grain is a case-bonded, forward-swept, deep finocyl grain offering significant flexibility in tailoring burn surface area regression profiles to meet different performance requirements even while allowing for high propellant volumetric loading densities. The grain comprises of two or more longitudinal fin cavities with forward swept leading edges, circular-patterned about an axial cavity.

Abstract: A pogo effect corrector system for a feed system for feeding a rocket engine with liquid propellant, the corrector system comprising: a feed pipe part for feeding liquid propellant that is configured to be connected both upstream and downstream to a liquid propellant feed pipe of the feed system; and a hydraulic accumulator comprising a tank connected to the feed pipe part via at least one communication orifice; the corrector system being characterized in that: at least a portion of the feed pipe part is at least partly surrounded by the inner volume of the tank; with each cross-section of said portion relative to its central axis being at least partly surrounded by the corresponding cross-section of the inner volume of the tank, in such a manner that the corresponding cross-section of the inner volume of the tank is off-center relative to said cross-section of said portion.

Abstract: The present invention relates to throttleable propulsion launch escape systems and devices. In one embodiment, the system includes a tower and at least one throttleable motor secured to the tower. The throttleable motor is able to throttle to a reduced power setting during flight. In another embodiment, the system includes at least one throttleable motor and a space vehicle unit that includes a containing structure. In a further embodiment, the throttleable motor may be secured about a boost escape system of a space vehicle unit. In an additional embodiment, the present invention is a three-dimensional nozzle.

Abstract: A carburetor for a gas powered internal combustion engine having a plurality of pressure reducing stages for reducing the pressure of the gas phase in a liquified petroleum gas storage bottle prior to the mixing of the gas phase of the liquified petroleum gas with ambient air.

Abstract: The compression system comprises a main fluid inlet adapted to receive a production stream of natural gas; first and second stage scrubbers; first and second compression units; first and second heat exchange units; one or more liquid dump containers; and an engine. The engine operates within a range of 1600-2100 revolutions per minute and the compressed gas comprises a pressure within a range of 360-600 pounds per square inch. The system comprises a weight to thousand cubic feet of gas per day ratio of less than twenty.

Abstract: Methods and systems are provided for conducting a dual test monitor for the presence or absence of undesired evaporative emissions in a vehicle fuel system and evaporative emissions control system. In one example, the dual test monitor includes conducting an evaporative emissions test diagnostic procedure during both boosted and non-boosted conditions during a single drive cycle. In this way, results from the test diagnostic procedure conducted under boost conditions may be compared to the results of the test diagnostic procedure under non-boosted conditions, to unambiguously diagnose functionality of a plurality of components in the fuel system and evaporative emissions system, which may thus reduce undesired evaporative emissions.

Abstract: A canister valve device for a vehicle that is equipped with a shutoff valve device connected to a pipe providing a passage for air to flow to a canister and selectively opening and closing the passage of the pipe, may include a diverging channel diverging from the passage of the pipe to a position where the shutoff valve device is positioned to provide a passage for a portion of air flowing to the pipe; and a check valve device positioned in the diverging channel, closing when the shutoff valve device closes, and opening when the shutoff valve device opens so that air is distributed to the pipe and the diverging channel, whereby negative pressure applied to the shutoff valve device is configured to be reduced by flow of the air.

Abstract: An engine system may include an engine having an intake line flowing an intake gas supplied to the combustion chambers; an intake manifold; a throttle valve provided at a front of the intake manifold and controlling an air amount supplied to the combustion chamber; an electric supercharger provided at the throttle valve and including a motor and an electric compressor operated by the motor to supply the supercharged air to the combustion chamber; an exhaust gas processing device purifying an exhaust gas generated in the combustion chamber; and an exhaust gas recirculation device including a recirculation line branched from the downstream portion of the exhaust gas processing device and joined to the intake line of the upstream portion of the electric compressor, an EGR cooler mounted at the recirculation line, and an EGR valve mounted at a part where the recirculation line and the intake line are joined.

Abstract: Presented are a method, apparatus and valve assembly for preventing rotation. An exemplary valve assembly includes a butterfly valve rotatably moveable between a closed position and an open position, and a shaft extending from the butterfly valve and rotatable about a longitudinal axis to move the butterfly valve between the open position and the closed position. The valve assembly further includes an actuator having a body operable to maintain an end portion of the shaft, the actuator operable to cause the shaft to rotate about the longitudinal axis, a housing sized to retain a portion of the shaft, the housing operable to be in removeable contact with the body, a seal intermediate the body and the shaft, the seal having an outer sealing surface contacting the body and an inner sealing surface contacting the shaft, and an anti-rotation interface between the seal and the housing.

Abstract: An exhaust gas recirculation valve assembly having a butterfly valve for selectively controlling the flow of exhaust gas includes a splined interface with an actuator, wherein the splined interface includes crowned splines. The crowned splines can be formed on a valve shaft of the butterfly valve, wherein an engaging sleeve includes a corresponding surface. The crowned splines accommodate variances in alignment between the valve shaft and the actuator, thereby improving an operating life of the valve assembly.

Abstract: An internal combustion engine has a tank ventilation system and a crankcase ventilation system. The tank ventilation system is connectable to an intake system downstream of a throttle element via a first non-return valve in a first line and upstream of a compressor via a second non-return valve in a second line and a third non-return valve in a second sub-line. The crankcase ventilation system is connectable to the intake system downstream of the throttle element via a fourth non-return valve in a third line and upstream of the compressor via a fourth line and the third non-return valve. The intake system is connectable to the second line downstream of the throttle element at a transitional point between the second line and the second sub-line via a fifth nonreturn valve in a fifth line. A nozzle is formed at the transitional point from the fifth line to the second line and the second sub-line, and the second line opens into the nozzle downstream of the second non-return valve.

Abstract: An air duct system includes a first member that includes a groove disposed around only a portion of an opening. A second member defines a passage extending along a longitudinal axis, and is in fluid communication with the opening of the first member. The second member includes a flange disposed within the groove of the first member. The engagement between the flange and the groove restricts relative movement between the first member and the second member in an axial direction along the longitudinal axis. An attachment system connects the first member and the second member together, and restricts relative movement between the first member and the second member in a lateral direction that is transverse to the longitudinal axis, to secure the flange within the groove.

Abstract: An air-bypass valve control device is disposed in an engine. The engine includes an intake passage, a compressor, a throttle valve, an air-bypass passage and the air-bypass valve. The air-bypass valve control device includes an intake air amount detector, a controller. The intake air amount detector detects an intake air amount of the engine. The controller configured to temporarily bring the air-bypass valve into an opened state in the case where the intake air amount of the engine immediately before a decrease in an opening degree of the throttle valve is equal to or larger than a predetermined value when the opening degree of the throttle valve decreases at a predetermined speed or higher.

Abstract: The present disclosure relates to various apparatus for controllably restricting an air flow to a vacuum controlled actuator in a vehicle induction system for the purpose of controlling a response of the actuator. In one embodiment the apparatus is a hose component having a hose that forms a flow channel, and which has an air flow restrictor seated within the flow channel. The air flow restrictor has a main body portion and an end wall having a reduced diameter air flow aperture. The air flow restrictor restricts air flow through the hose by a predetermined degree to tailor a response of the actuator in flow communication with the hose.

Abstract: A method of reducing vapor generation in an LNG fueled vehicle is provided. The LNG fueled vehicle includes an LNG fuel system including an external LNG pump. The method includes a step of predicting if the LNG fueled vehicle will be operated during a first forthcoming time period using a controller. If the LNG fueled vehicle will be operated during the first forthcoming time period, as determined by the first predicting step, the method includes cooling the external LNG pump.

Abstract: A fuel injection system designed for an internal combustion engine includes at least one fuel injection nozzle which, by way of a cylindrical shell body, is inserted at least in regions into a bore of a cylinder head and which, by way of a nozzle tip, feeds fuel to a combustion chamber between the cylinder head and a reciprocating piston. The fuel injection nozzle is held in position on a housing section of the internal combustion engine with the interposition of a holding device and, for example, a fastening bolt. The holding device braces a first end region of the fuel injection nozzle against a bore stop within the bore in the cylinder head. To optimize this fuel injection system, the holding device has, outside the bore, a fixing bushing to which the shell body is fixed axially and radially by way of a radial insert element.

Abstract: In a fuel injection device including a body portion that forms an injection hole through which a fuel is injected, the body portion includes an inlet-channel-forming portion that is connected to an inflow port of the fuel in the injection hole and forms an inlet channel which is a fuel flow channel, and an outlet-channel-forming portion that is connected to the inlet channel and an outflow port of the fuel in the injection hole, and forms an outlet channel that is a fuel flow channel. A surface roughness of the outlet-channel-forming portion is larger than a surface roughness of the inlet-channel-forming portion.

Abstract: A brushless starter-generator system is contained within a single housing. The housing has a first end with an opening to receive a drive spline from a motive source and an opposing second end. A brushless, rotating, machine is located adjacent the first end and is kinetically connectable to the drive spline. A power control unit is adjacent the second end and electrically coupled to the brushless, rotating machine. The brushless, rotating machine is selected from the group consisting of a synchronous machine, a permanent magnet machine, and an induction machine.

Abstract: The invention relates to a method and device for managing the charging and discharging of ultracapacitors without control wiring, connected in parallel to the electrical system of a combustion engine, or any other device or process that needs a battery to supply or absorb strong electrical currents. The device is advantageous in that, for the operation thereof, it is not necessary to modify the electrical wiring of the engine and it allows the operation of the engine even when the battery is partially charged, completely discharged, or when there is no battery. The invention relates to a portable embodiment, an embodiment for permanent use and another embodiment in which the device is connected to an electrochemical battery forming an assembly, which is used to supply the engine with electrical energy.

Abstract: An ignition coil has a ferromagnetic core, a primary coil surrounding a portion of the core and wrapped helically with a conductor, a winding form having partitions extending outwardly of a tubular surface of the winding form, and a secondary coil wrapped on the winding form. The partitions define a plurality of annular coil chambers including central chambers and end chambers. The end chambers have a spiral land. The secondary coil includes coil sections in each of the plurality of coil chambers. The secondary coil has coil turns in the end chambers in a spiral configuration on the spiral land and increasing progressively in diameter toward the central chambers.

Abstract: A shielded ignition configuration is provided comprising a non-shield spark plug having an electrode, a spark plug extender having first end configured to mount to the spark plug such that a conductor of the extender makes electrical contact with the spark plug electrode, a second end having a cup configured for connection to a secondary lead such that the conductor makes electrical contact with the secondary lead, and a flange, and at least one retainer configured to engage the flange and cause a lower surface of the flange to engage an upper surface of a valve cover.

Abstract: Systems and methods related to linear turbine systems are presented. Each embodiment described herein may be designed as a single-stage, linear, impulse turbine system. In an embodiment, a linear turbine includes a first shaft extending along a first axis; a second shaft extending along a second axis, the second axis being separated from and substantially parallel to the first axis; a first plurality of buckets to travel a first continuous path around the first shaft and the second shaft along a first plane, the first path including a first substantially linear path segment between the first axis and the second axis; and a nozzle configured to direct a first fluid jet to contact the first plurality of buckets in the first linear path segment.

Abstract: A bearing module for adjusting a rotor blade angle of attack in an underwater power plant includes a rotor-blade shaft, at least two bearings for supporting the rotor-blade shaft, the at least two bearings being axially spaced from each other on the rotor-blade shaft, a first attachment structure for producing a mechanical connection to a rotor-blade hub, a second attachment structure for producing a mechanical connection to the rotor blade, and a third attachment structure for producing a mechanical connection to a blade adjustment mechanism, wherein the bearing module is an installation unit such that it can be assembled at one location and transported to a second location where rotor blades may be attached.

Abstract: The present disclosure discloses anti-drought and anti-flood by still water circulation generation. A pit (4) is dug near water (1), a water turbine (6) and a generator (7) are placed at the bottom of the pit, the water (1) on the pit (4) is released in a planned way along a water discharge pipe to drive a water turbine (6) to operate, a blade (11) and a chain (12) are meshed with an upper gear (9) and a lower gear (10), the upper gear (9) is driven by an electric motor (13) to drive the blade (11) to rotate such that the blade (11) inside a water outlet pipe moves upwards with water (1) circularly, thereby driving the generator to continuously generate power. The present invention is able to meet the power generation demand of users and is also capable of adjusting and meeting the local water consumption.

Abstract: Embodiments of a hydroelectric system for a low head dam can include a module including a protective housing, a turbine housing retained within the protective housing, the turbine housing including an upper inlet portion at a first end, a substantially tubular portion, and a lower outlet portion at a second end, the upper inlet portion being positioned above the lower outlet portion, a turbine retained at least partially within the turbine housing, the turbine including a plurality of blades coupled with a central shaft, and a fluid pump, the fluid pump being coupled with the central shaft, where the fluid pump is configured to pump a high pressure fluid, a fluid circuit, the fluid circuit including piping, where the high pressure fluid is retained within the piping, and a generator, the generator being coupled with the fluid circuit, where the generator is driven by the high pressure fluid that is pumped by the fluid pump in response to the rotation of the turbine.

Abstract: A water flow power generating device, including an installing platform positioned on the water surface, a rotating mechanism on the installing platform, and a tower, a nacelle and an impeller that are positioned in water. The upper end of the tower is fixed on the rotating mechanism; the impeller consists of a hub and a plurality of blades; a central shaft of a hub is parallel to the water surface and connected to a power generator; a wheel ring is nested on a distant end of each blade remote from center of the hub; the side wall of the wheel ring is of a hollow structure or the hub is of a hollow structure; the displacement of the hollow structure of the wheel ring or the hub equals the self weight of the impeller.

Abstract: A wave energy converter is provided. The wave energy converter includes a paravane rotationally and pivotably coupled to a support structure, and operatively coupled to an energy collection device. A method of harvesting water wave energy is provided. The method includes positioning the paravane within water to be impacted by water waves, and transferring water wave energy from the paravane to the energy collection device.

Abstract: A floating piezoelectric assembly for generating energy from waves is provided. The assembly includes a flexible buoyant planar member, an elastic planar member coupled to the same, and two spaced-apart layers of piezoelectric elements extending on and firmly attaching to the top and bottom of the elastic planar member. The elements of a first of the layers are staggered relative to the elements of a second of the layers. The assembly includes a weighted planar member coupled to the buoyant planar member. According to a second aspect, the assembly comprises a first plurality of longitudinally spaced-apart elongate buoyant planar members, a second plurality of longitudinally spaced-apart elongate buoyant planar members, and a series of piezoelectric elements extending between the first and second plurality of buoyant planar members. The assembly further includes a plurality of elastic planar members to which respective ones of the piezoelectric elements couple.

Abstract: The present disclosure is directed to a method for controlling a wind turbine having a rotor with a plurality of rotor blades mounted thereto based on a spatial wind speed distribution. The method includes monitoring, via at least one sensor, one or more operating conditions of the wind turbine. The method also includes determining a rotor azimuth angle of the wind turbine. In addition, the method includes determining, via a physics-based model, at least one individual wind speed for one or more of the rotor blades of the wind turbine based on the one or more operating conditions and the rotor azimuth angle. The method also includes determining a spatial wind speed distribution of the wind turbine based on the at least one individual wind speed. Thus, the method further includes controlling the wind turbine based on the spatial wind speed distribution.

Abstract: A vertical axis fluid turbine for mechanical and electrical power generation is disclosed. The turbine is comprised of at least three camber-less symmetrical foils rotating about a main axis. Each foil is capable of independent rotation about its own respective axis. A closed loop feedback control system orients the foils to consistently maintain a forward edge into the flow of the fluid. Each foil generates lift in the forward and rearward arcs of rotation, while minimizing drag.

Abstract: An embodiment of Horizontal and Vertical Axis Wind Generator (HVAWG) concept with the rotating big and small wings, the magnectic coils, magnetic field magnets attached to the wings, generator motor, generator motor coils and generator motor magnetics is described. The generator motors in the present invention use the generator motor coils, the generator motor magnets, magnetic filed coils and magnetic field magnets to amplify the power using the repulsive characters of the same magnetic poles. Also, both the outside and the inside parts of the generator motors rotate the present invention while the inside parts of the generator motors rotate in the traditional wind generators. These features allows for a number of improvements over the current state of the art including damage protection, scalability depending the application and the speed regulation ability to remain operational during high wind and low wind conditions.

Abstract: A hydro-pneumatic energy storage system for deep sea water (DSW) is described. The system includes a floating support structure including a floating support platform, and a floating air chamber mounted on the floating support platform. The floating air chamber is configured for holding compressed air. The system also includes a sea-bottom mounted structure including a sea-bottom accumulator chamber configured for holding the compressed air and the DSW to store the DSW under pressure of the compressed air, and an air umbilical pneumatically interconnecting the floating air chamber with the sea-bottom accumulator chamber.

Abstract: A bolt connection of a tower for a wind turbine is provided, the bolt connection including a tower base module with a tower flange, wherein the tower flange forms the bottom end of the tower, a base flange for connecting the tower base module with a foundation, wherein the base flange includes a traverse bore, and a bolt which extends through the traverse bore of the base flange, wherein the bolt includes a bolt head which is arranged at the bottom side of the base flange facing the foundation. The bolt connection further includes a clamping element which at least partially covers the bolt head. The clamping element presses the bolt head against the bottom side of the base flange.

Abstract: An Airborne Wind Turbine (“AWT”) may be used to facilitate conversion of kinetic energy to electrical energy. An AWT may include an aerial vehicle that flies in a path to convert kinetic wind energy to electrical energy. The aerial vehicle may be tethered to a ground station with a tether that terminates at a tether termination mount. In one aspect, the tether has a core and at least one electrical conductor. The tether core may be terminated at a first location in a tether termination mount along an axis of the termination mount, and the at least one electrical conductor may be terminated at a second location in the tether termination mount along the same axis that the core is terminated. This termination configuration may focus tensile stress on the tether to the tether core, and minimize such stress on the at least one electrical conductor during aerial vehicle flight.

Abstract: A method and system for installing a site-deployable wind turbine offshore. The wind turbine can be substantially assembled onshore and includes a gravity base and a tower that is extendable at the installation site. A pivoting system can be configured to couple the wind turbine and turbine blades to the extendable tower in an onsite deployable configuration. After the wind turbine is delivered to an offshore location, the wind turbine is deployed and the extendable base and pivoting system can be made to deploy the wind turbine and turbine blades into functional positions such that the wind turbine can begin generating electricity.

Abstract: A method and system for installing a site-deployable wind turbine offshore. The wind turbine can be substantially assembled onshore and includes a floating structure and a tower that is extendable at the installation site. A pivoting system can be configured to couple the wind turbine and turbine blades to the extendable tower in an onsite deployable configuration. After the wind turbine is delivered to an offshore location, the wind turbine is deployed and the extendable base and pivoting system can be made to deploy the wind turbine and turbine blades into functional positions such that the wind turbine can begin generating electricity.

Abstract: A method of constructing and assembling a floating wind turbine platform includes constructing pre-stressed concrete sections of a floating wind turbine platform base, assembling the floating wind turbine platform base sections to form the base at a first location in a floating wind turbine platform assembly area, and moving the base to a second location in the floating wind turbine platform assembly area. Pre-stressed concrete sections of floating wind turbine platform columns are constructed, and the column sections are assembled to form a center column and a plurality of outer columns on the base to define a hull at the second location in the floating wind turbine platform assembly area. The hull is then moved to a third location in the floating wind turbine platform assembly area. Secondary structures are mounted on and within the hull, and the hull is moved to a fourth location in the floating wind turbine platform assembly area.

Abstract: A bearing arrangement of an electrical machine is provided that includes a drive shaft extending through a housing, the bearing arrangement including a front-end bearing arranged about a front end of the drive shaft, and a back-end bearing arranged about an opposite end of the drive shaft, wherein a bearing includes a plurality of bearing pads arranged in an annular space between the drive shaft and the housing, and wherein at least one bearing includes an uneven distribution of bearing pads about the drive shaft. Furthermore, a wind turbine including such a bearing arrangement is also provided.

Abstract: A shape memory article comprises a shape memory material that transitions to a first shape from a second shape when a temperature of the shape memory material exceeds a threshold temperature. A plurality of microcapsules is in thermal contact with the shape memory material. Each microcapsule in the plurality of microcapsules has a first compartment, a second compartment, and an isolating structure separating the first and second compartments. The isolating structure is rupturable in response to a stimulus. The first compartments each contain a first component, and the second compartments each contain a second component that reacts with the first component to produce heat.

Abstract: A device of a grease gun is used for delivering a viscous liquid to flow from a reservoir of the viscous liquid to a hose. The device includes a delivery head, two plungers, a cam member, and a drive source configured to drive the cam member to rotate. The delivery head has an outlet port for delivering the viscous liquid into the hose, two bores, and an intake port disposed for receiving the viscous liquid from the reservoir. Each of the plungers is slidably disposed in a corresponding one of the bores. Rotation of the cam member is translated into linear reciprocating motions of the plungers so as to permit the viscous liquid to alternately flow into the bores and then to flow out of the outlet port.

Abstract: A fluid delivery system comprises a motor that is configured to provide rotational motion to a rotary component. The fluid delivery system also comprises an alignment mechanism. The alignment mechanism comprises a first roller that engages a pin at a first end, and a second roller that engages the pin at a second end. The alignment mechanism also includes a coupler that is configured to couple the rotary component to a reciprocating component. Additionally, the alignment mechanism comprises a first alignment cavity that is configured to receive the first roller and a second alignment, and a second cavity that is configured to receive the second roller to align reciprocating motion of the reciprocating component.

Abstract: Methods and systems relate to a pressure exchanger which exchanges pressure energy from a high pressure clean fluid system to a relatively low pressure harsh fluid system for use in pressurizing the harsh fluid and directing the fluid to a wellbore as high pressure harsh fluid without the harsh fluid contacting identified portions of the pressure exchanger.

Abstract: A reciprocating piston pump includes a pumping chamber, an inlet valve through which fuel passes to enter the pumping chamber, a piston configured to pressurize the fuel entering the pumping chamber, an outlet valve through which the pressurized fuel passes to exit the pumping chamber, and a solenoid actuator assembly coupled to the piston. The solenoid actuator assembly includes a fixed stator, a coil, and a movable armature. The movable armature is configured to move toward a first end of the fixed stator in response to the coil being energized. The solenoid actuator assembly includes a magnetic flux path that passes substantially between the movable armature and the fixed stator via a radial gap and an axial gap that are defined at least in part by the first end of the stator.

Abstract: Disclosed herein is a double-headed swash type compressor, and a distance between an outer peripheral surface of a shaft (20) and an inner peripheral surface of a shaft bore (11) is greater than a distance between the outer peripheral surface of the shaft (20) and an inner peripheral surface of a journal bearing (30).

Abstract: A variable-capacity swash plate-type compressor including: a lug plate coupled to a swash plate so as to be fixed to a driving shaft; and the swash plate coupled to the lug plate and having a varying inclination angle while making a rotational motion. The swash plate includes a body, and first and second arms that protrude from the body toward the lug plate and are spaced apart from each other. The lug plate includes a plate, a center lug arm that protrudes from the plate to be inserted between the first and second arms and is coupled to the body of the swash plate, and left and right lug arms that protrude from the plate to be spaced apart from each other and support both sides of each of the first and second arms.

Abstract: When a power switching element brought into contact with a contact part formed at a back side of a suction refrigerant passage is cooled by refrigerant that has been sucked in through a suction port and that is passing through the suction refrigerant passage, high-temperature, high-pressure refrigerant flowing in from a compression chamber to a suction chamber is prevented from flowing back by a check valve. Therefore, there is always low-temperature, low-pressure refrigerant in the suction refrigerant passage, and the power switching element can be efficiently cooled by the refrigerant in the suction refrigerant passage.