Abstract: Disclosed herein is an a compressor including a main body, a fixed scroll fixed on the inside of the main body, an orbiting scroll arranged to orbit relative to the fixed scroll, a compressing chamber formed by the fixed scroll and the orbiting scroll, an oil supply hole arranged to supply oil to a contact portion formed by the fixed scroll and the orbiting scroll, and an oil groove formed on an inner side of the contact portion to be closed to an outer side of the contact portion. The oil groove is extended into the form of an arc by being rotated by about 270 degrees or more along the circumference of the fixed scroll to cover the compressing chamber from the outside of the compressing chamber to supply oil all across the area of the contact portion easier which leads to more reliable operation of the compressor.

Abstract: An electric pump is provided, which may include a motor unit including a rotation shaft, and a pump unit including a rotor having a vane groove accommodating a vane and coupled with the rotation shaft, and including a pump plate including an external wall portion and a cam ring having a cam surface on which the vane slides, and a bottom lid portion provided in the pump plate and being integrally formed with the external wall portion and the cam ring, and a connection unit being provided between the external wall portion and the cam ring to connect the external wall portion and the cam ring and protruding in a direction away from the bottom lid portion, and the connection unit is integrally formed with the external wall portion, the cam ring, and the bottom lid portion.

Abstract: Miniature (mesoscale) axial-flow pumps including an inlet guide, a stator spaced apart from the inlet guide, and a rotor rotatably disposed between the inlet guide and the stator.

Abstract: A fan unit (1), in particular for an air conditioning system of a motor vehicle, comprising an electric motor (2) for driving a fan wheel (3), an electronic device (7) which generates waste heat and provides electrical current to the electric motor (2) and a fan housing (6), wherein the fan wheel (3) is disposed together with the electric motor (2) in an air guiding region (5) delimited by the fan housing (6). Provision is thereby made for the electronic device (7) to be fastened to the side of the fan housing (6) which faces away from the air guiding region (5) in a heat transferring manner so that a heat transfer connection is formed between the electronic device (7) and the air guiding region (5).

Abstract: A pump is provided for immersion in a fluid reservoir, such as a pit or lagoon containing liquid manure, from a position at an edge of the reservoir. The pump may be adapted for connection to a farm vehicle, such as a tractor, positioned at the edge of the reservoir. The pump comprises an extensible body, fluid conduit and drive means in order that a length of the pump may be varied in order to accommodate a variety of reservoir fluid heights. In addition, the pump may be pivotable relative to at least a portion of a frame in order that the entrance angle may be adjusted. The pump may comprise a housing with an inlet and an outlet, the outlet in fluid communication with the fluid conduit. An impeller within the housing may direct fluid from the inlet to the outlet in the housing.

Abstract: A fan assembly is provided. The fan assembly includes a fan, a fan casing circumscribing the fan, and a fan casing heating system in thermal communication with the fan casing. The fan includes a hub, and a plurality of fan blades extending from the hub. Each fan blade of the plurality of fan blades terminates at a respective blade tip. A clearance gap is defined between the fan casing and the blade tips. The fan casing heating system is configured to apply heat to the fan casing when the fan is operating in a first operational mode, and remove the applied heat when the fan transitions into a second operational mode.

Abstract: A control method for constant airflow controlled by a direct power-controlled PM motor, wherein the PM motor is installed in an HVAC system to drive the rotation of a fan wheel, and wherein the PM motor has a stator component, permanent magnet rotor components, and a motor controller. In some embodiments, the motor controller includes an operation parameters sensing circuit and a microprocessor.

Abstract: The present application provides an inlet bleed heat control system for a compressor of a gas turbine engine. The inlet bleed heat control system provides an inlet bleed heat manifold and an ejector in communication with the inlet bleed heat manifold such that the ejector is in communication with a flow of compressor discharge air and a flow of ambient air.

Abstract: A gas turbine compressor including a guide vane (1), a moving vane (2), in particular downstream, and a bleed channel (3) having an upstream channel wall (3.1), which merges into an annular space (5), an axially opposite downstream channel wall (3.2) having an inlet edge (3.3), which is rounded in particular, and a bleed channel outlet, the downstream channel wall enclosing with an axis of rotation of the compressor a first angle (?) which increases in the flow direction (x).

Abstract: A turbo machine includes a rotation shaft that comprises a first taper portion and a first cylinder portion, the first taper portion decreasing in diameter toward one end of the rotation shaft, the first cylinder portion being constant in diameter in an axial direction of the rotation shaft; a first impeller that is fixed to the rotation shaft and that is used for compressing or expanding working fluid; a first bearing that rotatably supports the first taper portion and the first cylinder portion; and a second bearing that is positioned on an opposite side of the first impeller from the first bearing in the axial direction of the rotation shaft and that supports the rotation shaft both in the axial direction and a radial direction of the rotation shaft.

Abstract: A product-lubricated multiphase pump for pumping a multiphase mixture containing hydrocarbon includes a separation system and a supply system. To achieve a good cooling and lubrication of pump elements without a lot of operating media and operating medium circuits, the separation system has a first separation stage for at least partly separating at least a portion of the multiphase mixture into a plurality of phase-enriched components and the supply system supplies a liquid-enriched liquid component as lubricant to a pump element to be lubricated.

Abstract: An axially split pump for conveying a fluid includes an axially split housing with a bottom part and a cover. The bottom part has a first sealing surface and the cover has a second sealing surface. The bottom part and the cover are fastened to one another so that the two sealing surfaces are in direct contact with one another. At least one first sealing groove for the reception of a first sealing element is disposed in the sealing surfaces. A second sealing groove is disposed for the reception of a second sealing element. The first sealing groove and the second sealing groove are connected to one another through a connection region and an elastic pre-loading element is disposed in the connection region, which exerts a pre-load onto one of the two sealing elements.

Abstract: An impeller for a centrifugal fan includes a main plate having a disc shape, a plurality of blades arranged along a circumferential direction about a center part of the main plate, and an outer ring having a ring shape connecting the respective blades. The outer ring is connected to tip end portions of the respective blades at a side of a fluid discharge opening, and each of the blades has a shape which is bent in a rotating direction of the impeller in a vicinity of the tip end portion.

Abstract: An annular diffuser is formed on an outlet side of a wheel in a housing. A shroud-side wall surface and a hub-side wall surface of the diffuser are parallel to a radial direction, respectively. A plurality of annular steps is formed on the shroud-side wall surface of the diffuser. Each step is formed so as to expand a flow passage width of the diffuser along a flow direction of a main flow.

Abstract: A compressor assembly is disclosed. The compressor assembly may have a compressor housing. The compressor housing may have an inner wall. The compressor assembly may also have a compressor impeller disposed within the compressor housing. Further, the compressor assembly may have a bearing housing attached to the compressor housing. The bearing housing may have a body portion and a web extending outward from the body portion to a web end. The compressor assembly may also have a diffuser ring disposed between the inner wall and the web. The diffuser ring may have at least one vane. In addition, the compressor assembly may have a vaneless space extending between the compressor impeller and the vane. The vaneless space may be inclined at an angle relative to a plane disposed orthogonal to a rotational axis of the compressor assembly.

Abstract: A compressor is provided. The compressor includes a rotating member configured to rotate about an axis and a static member radially adjacent the rotating member with a clearance between the static member and the rotating member. A first groove is disposed circumferentially about the static member and radially adjacent the rotating member. A second groove is disposed circumferentially about the static member and a first axial distance aft of the first groove. A third groove is disposed circumferentially about the static member and a second distance aft of the second groove, wherein the first distance is different from the second distances.

Abstract: A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the suction side sections of the first suction portion of the nominal airfoil profile are coupled together to define the first suction portion, the airfoil includes an airfoil length along a Z axis, the first suction portion comprises a first portion length along the Z axis, the first portion length is less than or equal to the airfoil length, and the Cartesian coordinate values of X, Y, and Z are non-dimensional values convertible to dimensional distances.

Abstract: There is provided a centrifugal air blower capable of effectively suppressing noise caused by the shapes of a tongue part and a bell mouth formed in a scroll casing, and including: a fan 3 composed of a bottom plate 6 fixed to a rotating shaft, multiple blades 8, and an annular rim 9 provided concentrically with the bottom plate; a scroll casing 4 for housing the fan; a spiral flow passage 19 formed around the fan; and a tongue part 16 for suppressing an inflow of air from the end of winding to the beginning of winding of the spiral flow passage. A portion of the tongue part on the other end side in the axial direction of the rotating shaft is inclined to increase a dimension of overhanging in a counter-rotating direction of the fan toward the other end side in the axial direction of the rotating shaft.

Abstract: A pressure supply device in accordance to one or more aspects includes an elongated body having an internal bore extending from a power end to a discharge end having a discharge port, two or more gas generators connected to the power end and a hydraulic fluid disposed in the bore between a piston and the discharge end. The ignition of one of the gas generators drives the piston to exhaust a partial volume of the hydraulic fluid that is less than the total operational volume of the hydraulic fluid under pressure to operate at a connected device.

Abstract: A hydraulic control system for a work implement is provided. The hydraulic control system includes first hydraulic circuit and second hydraulic circuit. The first hydraulic circuit includes a selector valve and a pair of hydraulic cylinder assembly. Each hydraulic cylinder assembly includes a head end, a rod end, a cylinder, and a rod. The selector valve is configured to operate in neutral position and at least one operating position to selectively connect either the head end or the rod end to a fluid source, and the other of the head end or the rod end to fluid tank. The second hydraulic circuit includes a counterbalance valve and a shuttle valve. The counterbalance valve selectively connects the head end to the fluid tank. The shuttle valve is configured to maintain predefined pressure at relief side pressure port of the counterbalance valve to maintain a threshold pressure at the head end.

Abstract: A turbine valve actuator (100) controls a valve unit of a media-operated consumer unit, such as a steam or gas turbine, and has an actuating part drive (102) with a movable actuating part (104), a first media space (106) and a second media space (108). A pressure build up in the first media space (106) attempts to cause a movement of the actuating part (104) in a first direction (R). A pressure build-up in the second media space (108) attempts to cause a movement of the actuating part (104) in an opposing second direction (GR). The first media space (106) can be supplied with a fluid in predeterminable amounts by a supply (110). The second media space (108) is acted upon by a hydraulic accumulator (112) provided with a preload pressure and permanently connected to the second media space (108).

Abstract: An actuator unit includes a rod side chamber and a piston side chamber defined in the cylinder by a piston; a tank; a direction control valve configured to allow a working fluid discharged from the pump to be supplied selectively to the rod side chamber and the piston side chamber; a first control passage that communicates the rod side chamber with the tank; a second control passage that communicates the piston side chamber with the tank; a first variable relief valve provided on the first control passage, the first variable relief valve being configured to have a varied valve opening pressure; a second variable relief valve provided on the second control passage, the second variable relief valve configured to have a varied valve opening pressure; and a center passage that communicates the tank with the interior of the cylinder.

Abstract: A hydraulic valve with electropneumatic activation includes an air inlet that receives pressurized air from an air compressor and directs it into a line of the cylinder. The line is connected to an extension line attached to a solenoid extension valve that allows or blocks the passage of pressurized air from the extension line to a rear line. The rear line is attached to the rear chamber of the cylinder and connected to a retraction line attached to a solenoid retraction valve that allows or blocks the passage of pressurized air from the retraction line to an anterior line, which is attached to the front chamber of the cylinder. Thus, the passage of pressurized air is managed according to the desired movement of the stem of the hydraulic actuator. The pneumatic tubes are eliminated and electropneumatic valves are replaced by solenoid valves incorporated into the cylinder of the hydraulic valve.

Abstract: A hydraulic swivel drive for a grab that has two gripping arms or shells movable like tongs, including two swivel shafts parallel to each other and rotatably mounted in a drive housing, whose shaft ends are connectable with the gripper arms or shells, wherein the swivel shafts each have two oppositely threaded screw engagement portions, with which two pistons movable in opposite directions by means of hydraulic pressure for driving the swivel shafts are in screw engagement. Two differently large and differently contoured cylinder pressure chambers can be assigned to each piston in order to optimally adapt the cross-sectional area of the pistons for each of the reciprocating positioning movements and to appropriately select the pressure conditions. To be able to run in the differently contoured and dimensioned cylinder pressure chambers, each of the pistons is provided with different piston portions which are adapted to the respective cylinder pressure chamber.

Abstract: The present disclosure describes composite actuator piston rods and methods for making such rods. Composite actuator piston rods of the present disclosure may include a composite actuator rod tube having a flared end, an insert, wherein the insert has a complementary shape to the flared end, a piston head concentrically surrounding the flared end of the composite actuator rod tube, and a piston head nut configured to threadingly attach to the piston head.

Abstract: A cylinder driving apparatus includes a first passage connecting a first chamber of a cylinder to a first port of a pump; a second passage connecting a second chamber of the cylinder to a tank; a third passage connecting a second port of the pump to the tank; a throttle configured to apply resistance to a working fluid flowing through the third passage; and an operated check valve provided in the first passage to allow the working fluid to flow from the pump into the first chamber. The operated check valve is configured to allow the working fluid to flow from the first chamber into the pump in accordance with a fluid pressure of the working fluid in the third passage between the pump and the throttle.

Abstract: A compressed-air system having a safety function and a method for operating such a compressed-air system. The compressed-air system contains two working valves, which each can selectively assume an aerating position that aerates a load and a venting position that vents the load. Both working valves are redundantly connected on the output side to the load by means of a separating device. The separating device allows one or the other of the working valves to be separated, while the aeration of the load is maintained, in order to subject the one or the other working valve to an examination of the switching function of the one or the other working valve.

Abstract: A filter device has a first connection (A1) to a hydraulic working circuit, an associated filter element (F1) and an additional connection (A2) by which leakage oil amounts of hydraulic components can be fed. A control apparatus (V2) can feed the leakage oil amounts from the additional connection (A2) to the filter element (F1) when a specified working pressure of the working circuit is not reached at the first connection (A1).

Abstract: A sub-retaining structure includes a retainer and a compression limiter. The retainer having an attachment hole is provided in a sub-component. A compression limiter is disposed in the attachment hole of the retainer. The compression limiter has a cylindrical shape with a through hole coaxial with the attachment hole. The compression limiter defines multiple side openings arranged in a circumferential direction. The retainer includes multiple retainer arms each of which extends radially inward of the compression limiter through the side openings, respectively. The retainer arms are configured to be engageable with a fastener protruding from a main-component when the fastener is inserted into the through hole.

Abstract: A fastening arrangement and method are provided for coupling a pair of frame members together. The fastening arrangement includes an insert receivable in a slot of one of the frame members. A fastener couples the insert with a receiver, such as a nut or a second insert, receivable in the other of the frame members. The insert includes a notch or similar indicator for indicating the appropriate depth to which the insert is to be driven relative to one of the frame members. The insert includes a threaded portion. The threads of the threaded portion are configured to be embedded into one of the frame members as the insert is driven relative to one of the frame members to secure the insert thereto.

Abstract: A grommet for installation in an opening of a panel comprises an elastically deformable material having a longitudinal axis extending from a proximal end to a distal end of a grommet body. The grommet body comprises an aperture extending longitudinally through the grommet body between the proximal end and the distal end. A wall-engaging segment defines a longitudinal segment of the aperture and is located to be enclosed by a wall of the opening when the grommet is installed in the panel. A clamping element occludes the aperture in the wall-engaging segment and comprises at least one longitudinally extending through-hole sized and configured to receive an elongated element. The clamping element is located to apply a compressive force on the elongated element to retain the elongated element in the through-hole of the grommet body responsive to disposition of the wall-engaging segment in the opening of the panel.

Abstract: An interlocking thread with a tooth-cross-section that is wider at its crest than at its root and with “V” angles located both along the crest and the root which tightens into a tapped hole that has a similar thread cross-section.

Abstract: An insert according to an exemplary aspect of the present disclosure includes, among other things, a body extending along an axis between a proximal portion and a distal portion and a plurality of tabs that protrude radially outwardly from an outermost surface of the body at a location between the proximal portion and the distal portion.

Abstract: A cap and washer fastener assembly includes a cap with an upper surface and a lower surface with a post extending from the lower surface. The assembly also includes a washer with an upper surface, a lower surface, and a hole. The assembly includes an assembled configuration wherein the post of the cap is inserted into the hole of the washer and a portion of the post is permanently deformed within the cavity. In the assembled configuration, a substrate layer is disposed between the cap and the washer. The cap and washer are configured so they are prevented from rotating relative to one another and relative to the substrate when in the assembled configuration.

Abstract: Provided is a hook which is capable of holding multiple objects or an object having a large size of width by efficiently using a space inside the hook, reliably preventing the hanged object from dropping, and allowing the hanged object to be taken out easily. A hook body has a latch that locks an arm biased toward an outside of the hook body by an arm biasing mechanism, and regulates a displacement of the arm, thereby closing an opening portion. While the latch is biased by a latch biasing mechanism so as to face the opening portion and be present at an arm regulating position for locking the arm, the latch is displaced from the arm regulating position against a biasing force of the latch biasing mechanism so as to unlock the arm.

Abstract: A snap hook assembly includes a hook body defining a neck portion and a hook portion which form a capture area. A gate and a trigger are both pivotally mounted to the hook body. The gate is moveable between a closed position and an open position and is biased to the closed position. The snap hook is configured such that, when the gate is in the closed position, it cannot be moved to the opened position. The trigger is operable to release the gate, so that the gate can be moved from the closed position to the opened position.

Abstract: The purpose of the present invention is to provide a ball joint and a method for manufacturing the same, the method injection-molding a ball sheet using a ball stud having a spherical head portion, which has a non-spherical surface formed thereon, thereby simplifying the manufacturing process and improving productivity. In order to implement the purpose, a ball joint according to the present invention comprises: a ball stud (100) provided with a spherical head portion (110); a ball sheet (200) surrounding the outer peripheral surface of the spherical head portion (110) and allowing the ball stud (100) to play within an operating angle range; a cap (300) covering the spherical head portion (110) to form a sealed space between the cap (300) and the outer peripheral surface of the spherical head portion (110); and a socket (400) having an inner space, into which the spherical head portion (110), the ball sheet (200), and the cap (300) are inserted.

Abstract: The invention relates to a bearing for supporting a shaft, in particular a rudder shaft, or a rudder blade, by means of which bearing the bearing clearance or the bearing wear can be continuously monitored, determined, and optionally documented. According to the invention, for a bearing for supporting a shaft, in particular a rudder shaft, comprising a first bearing element and a second bearing element, wherein the first bearing element has a sliding surface for contacting the second bearing element in a sliding manner, and a measurement-value sensor having a wear surface for contacting the second bearing element in a sliding manner, the at least one measurement-value sensor is not pin-shaped.

Abstract: A tapered roller bearing is disclosed having a support for pressing roller bodies and a holder for holding an outer ring. A method for producing the tapered roller bearing and a method for mounting a tapered roller bearing are also disclosed.

Abstract: Disclosed is a cooling and lubricating system (and method of use) for an RCD bearing/seal assembly comprising an internal conduit for directing fresh oil into the lower end of the bearing assembly where it can then progress upwardly through the bearing assembly and seals to provide cooling and lubrication to the internal bearings and rotary seals. The RCD system employs a small footprint oiler to deliver, via pressurized air, the oil to the RCD. Also disclosed is an RCD bearing assembly outfitted with the oil channel conduits for directing oil through the RCD bearing assembly to cool and lubricate the seals and bearings.

Abstract: Provided is a sensor-equipped wheel support bearing assembly for rotatably supporting a wheel, including a sensor unit associated with one of outer and inner members that serve as a stationary member. The sensor unit includes a strain generator member that has at least three fixation contact segments fixedly in contact with the stationary member and at least two strain sensors mounted on the strain generator member. A first load estimator is provided to estimate load acting on the bearing assembly, using an average value of output signals of the sensors. A second load estimator is provided to estimate load acting on the bearing assembly, using the average value and an amplitude value of output signals of the sensors. An estimated load provider is provided to sum these outputs from the load estimators in a ratio that depends on wheel rotation speed, for outputting an estimated load.

Abstract: A spindle-bearing protecting device for protecting a bearing that supports a spindle so as to be rotatable, includes: a rotating part positioned further to an outer side in an axial direction than the bearing, and having a rotor blade configured to rotate along with the spindle; a supply part configured to supply coolant or lubricant between the rotor blade and the bearing; a detection unit configured to detect abnormality of the bearing; and a control unit configured to control a supply of the coolant or the lubricant by the supply part and a revolution speed of the spindle, in a case where the detection unit detects abnormality of the bearing.

Abstract: The present invention provides a sliding support assembly comprising an elongate rail of channel section defining a first web and first and second flanges. A slide cassette is positioned between the first and second flanges of the elongate rail such that the slide cassette and the first and second flanges define a first endless track and a second endless track and a plurality of bearing balls is positioned within the first and second endless tracks. The slide cassette comprises a body member formed from extruded material.

Abstract: The present invention provides a split inner ring for an adjustable guide blade arrangement, having a ring segment arrangement with at least two ring segments (1, 2) and a bearing bush arrangement with at least one bearing bush (5) for mounting an adjustable guide blade (4) of the guide blade arrangement, in which a ring segment and another ring segment of the ring segment arrangement can be joined together by the bearing bush arrangement.

Abstract: The present invention relates to a bearing device (61) provided with: a plurality of bearing pads (72) arranged between the outer peripheral surface of a turbine rotor (30) and the inner peripheral surface of a bearing housing (71) so as to be separated from each other in the circumferential direction of the rotor (30), the bearing housing (71) externally surrounding the rotor (30), the bearing pads (72) being supported on the inner peripheral surface of the bearing housing (71) and rotatably supporting the rotor (30); and a thermometer (75) provided to at least one of the plurality of bearing pads (72). The thermometer-equipped bearing pad (73) provided with the thermometer (75) has: a pad body (90) disposed facing the outer peripheral surface of the rotor (30); and a pair of pad shoulders (91) having different shapes and protruding from the pad body (90) to both sides of the bearing housing (71) in the direction of the center axis (O1) thereof.

Abstract: The invention relates to a plain bearing composite material, comprising a supporting layer (12) made of steel, a bearing metal layer (14) made of copper or a copper alloy, which is applied to the supporting layer (12), and a functional layer (16) made of aluminum or an aluminum alloy, which is applied to the bearing metal layer (14).

Abstract: A bearing arrangement includes a shaft with an outer circumferential supporting surface, and a mounting device with an inner circumferential supporting surface. The mounting device supports the shaft in a rotatable manner using a bearing structure. At least one tiltable sleeve member is arranged between at least one of the supporting surfaces and the bearing structure.

Abstract: A vertical in-line split couple pump includes a motor shaft having a motor shaft collar; a pump shaft having a pump shaft collar with a pump shaft angled collar surface oblique to an axis of the motor and pump shafts; and a coupler having coupler halves that attach together, that have a couple groove to receive the motor shaft collar, and have a couple angled groove to receive the pump shaft collar. The couple angled groove has a couple angled groove surface oblique to the axis. The coupler halves respond to a force that moves them together to couple the pump and motor shaft together, moves the pump shaft angled collar surface in relation to the couple angled groove surface, causing the pump shaft to move upwardly towards the motor shaft along the axis, to provide a way to jack-up and recouple the pump shaft and any impeller attached thereto by one mechanic.

Abstract: A bicycle crank assembly includes a sprocket having a rotational center axis, a crank, a crank axle and a slide mechanism. The crank axle is attached to the crank and includes an internal space. The slide mechanism is configured to displace the sprocket relatively to the crank in an axial direction parallel to the rotational center axis. At least part of the slide mechanism is disposed in the internal space of the crank axle.

Abstract: A fixed type constant velocity universal joint of a track groove crossing type has track grooves of an inner joint member formed to be mirror-image symmetrical with paired track grooves of an outer joint member with respect to a joint center plane at an operating angle of 0°. The track grooves of both the joint members each have a length corresponding to a maximum operating angle (?max) required for a propeller shaft, and surface treatment is performed, for example, on a defined surface of each of the track grooves of the outer joint member so as to reduce frictional resistance (sliding resistance) against balls.