Abstract: An exhaust-gas turbocharger (1) comprising a housing (2), a turbine wheel (5) with blades (6), a compressor wheel (4) with blades (6), and a shaft (3) which is mounted in the housing (2) and which connects the turbine wheel (5) and compressor wheel (4), wherein, in a gap (7) between the housing (2) and at least one blade (6), a contactless labyrinth seal (8) is formed on the blade (6) and on the housing (2), wherein the labyrinth seal (8) comprises at least one combination of a groove (13) and a projection (14).

Abstract: A compressor wheel (1) of a radial compressor (2) of an exhaust-gas turbocharger (3), having a hub (8); and having two blade rows (9, 10) which are arranged adjacent to one another on the hub (8), a first blade row (9) forming the leading blade row, and the adjacent, second blade row (10) forming the trailing blade row, wherein the number of blades (11) of the first blade row (9) is equal to the number of blades (12) of the second blade row (10).

Abstract: A variable turbine geometry (VTG) turbocharger is disclosed. The VTG turbocharger may comprise a turbine section having a turbine wheel and plurality of guide vanes configured to regulate a flow of exhaust gases to the turbine wheel. The VTG turbocharger may further comprise an actuation pivot shaft (APS) configured to mediate actuation of opening and closing of the guide vanes, a bushing rotatably supporting the APS with a clearance therebetween, and a radial seal circumscribing the APS and inserted in a cavity of the bushing. The radial seal may form an interference fit with both an outer diameter of the APS and an inner diameter of the bushing to seal a leakage of the exhaust gases between the clearance between the APS and the bushing.

Abstract: A turbocharger (10) has an improved wastegate valve assembly (32) wherein a valve member (35) moves freely within a lever arm (34A), and therefore, is displaceable sidewardly across the opening (28) of the wastegate port (28). The valve member (35) and associated seat (36) respectively have male and female forms so as to sealingly engage with each other when the valve body (35) is in the closed position. As such, the valve member (35) can move freely as it engages the seat (36) to provide a tight uniform seal therebetween. Additionally, the seat (36) may be formed as an insert which fits within the wastegate port (28) and is also free floating in the direction extending across the port (28) which further assists in self-centering of the valve member (35) and seat (36).

Abstract: A flow rotor (1), in particular a turbine wheel, having a wheel core (2) and an outer part (3) which surrounds the wheel core (2) and is connected thereto. The wheel core (2) and the outer part (3) are constructed from different materials.

Abstract: A number of variations may include a product including a thermal management component comprising a housing comprising a first polymer wherein the first polymer is constructed and arranged to provide thermal control of at least one neighbor component comprising an exterior surface in contact with the thermal management component wherein the first polymer comprises a heat generating polymer.

Abstract: A power takeoff unit for an automotive vehicle being a normally front-wheel drive vehicle that is convertible to all wheel drive. The takeoff unit includes an input shaft supported in a housing, the input shaft is torsionally connected with a transmission of said vehicle. An output shaft concentric with the input shaft is provided, the output shaft is torsionally connected with the rear wheels of the vehicle. A shift collar to selectively connect said input shaft with said output shaft is provided. A shift fork is provided to translate the shift collar, the shift fork having a main body with a bore. A cylinder is connected with the housing. A piston is slidably mounted within said cylinder. A headed fastener is provided with a shank extending through the shift fork main body bore. The fastener head engages the shift fork, the fastener's shank being threadably engaged with the piston to capture the shift fork with the piston.

Abstract: A variable turbine geometry turbine turbocharger (1) includes vanes (30) configured to control flow of exhaust gas to a turbine wheel (12), and an adjustment ring (40) connected to each vane (30) that controls the angular orientation of all the vanes (30) in unison. The adjustment ring (40) is supported on the bearing housing (16) and is supported on, and piloted relative to, an axially extending nose portion (17) of the bearing housing (16) by surface features (60) formed along an inner edge (43) of the adjustment ring (40).

Abstract: A cam phaser (30, 130, 230) dynamically adjusts a rotational relationship of a camshaft (32) of an internal combustion engine with respect to an engine crankshaft operably connected with a phaser sprocket (42, 142, 242). The cam phaser (30, 130, 230) can include a planetary gear assembly having a ring gear (34, 134, 234) driven by the phaser sprocket (42, 142, 242), a planetary gear carrier (36, 136, 236) connected to the camshaft (32), a sun gear (38, 138, 238), and at least one rotatable planetary gear (40, 140, 240).

Abstract: An oil drain (8) in a turbocharger bearing housing (1) is provided in which the oil flows out along the outer edge of the oil drain (8) leaving the center of the drain (8) open. Air can flow between the bearing housing (1) and the oil sump allowing for an equalization of air pressure therebetween.

Abstract: An electronically operated autonomous manual transmission clutch system and a second electronically operated vehicle system, such as a belted alternator starter system (BAS), in which the ECU and micro controller of the second electronic system are utilized for both systems.

Abstract: A product may include a bearing housing in which a shaft may be supported by a bearing so that it may rotate. A compressor wheel may be disposed on the shaft. A compressor cover may be connected with the bearing housing, which may form a compressor body and may define a chamber within which the compressor wheel may rotate. A diffuser may extend radially outward from the chamber and may receive gas from the compressor wheel. An inlet may be provided to the compressor body, which may receive a supply of exhaust gas. An EGR distribution cavity may be defined within the compressor body and may extend around the shaft. An EGR inlet channel may extend into the bearing housing from the inlet to the EGR distribution cavity. An EGR passage may extend from the EGR distribution cavity to the diffuser.

Abstract: A clutch for selectively preventing rotation of a rotating component may include a first and second pawls pivotable between engagement and disengagement with the rotating component to selectively prevent or allow rotation of the rotating component in one or both directions. An armature moveable between a first and second armature positions may have a common member pivotally connected thereto and engaging the first and second pawls, with a torque spring biasing the common member to rotate toward the first pawl and away from the second pawl. In an intermediate armature position, the common member may disengage the first pawl from the rotating component while engaging the second pawl to allow rotation in one direction while preventing rotation in the opposite direction. In embodiments, a clutch may include a cam actuator rotating to selectively control engagement of the pawls with the rotating component and locking in one or both directions.

Abstract: A variable turbine geometry (VTG) turbocharger is disclosed. The VTG turbocharger may comprise a turbine section, a bearing section, and an actuation pivot shaft (APS) having a bearing side in the bearing section and a pressure side in the turbine section. The VTG turbocharger may further comprise a bushing surrounding the APS and extending from a first end at the pressure side to a second end at the bearing side. In addition, the VTG turbocharger may further comprise a face seal assembly including a cup spring and a composite ring seal circumscribing the APS at the pressure side, with the cup spring forming a face seal with the first end of the bushing. The face seal assembly may further include a spring circumscribing the APS at the bearing side and engaging the second end of the bushing.

Abstract: An alternator configured for use in a vehicle includes a housing, a stator located within the housing, a field coil, a regulator, and a transceiver. The field coil is positioned in proximity to the stator and is configured for rotation relative to the stator. The regulator is electrically connected to the field coil and is configured to supply the field coil with an electrical signal based on a control signal. The transceiver is electrically connected to the regulator and is configured to wirelessly receive the control signal from an engine control module of the vehicle and to transmit the control signal to the regulator.

Abstract: A number of variations may include a product comprising an electrical machine operatively connected to a driveline module comprising a gear train having a fixed gear ratio, a first planetary gear set having multiple gear ratios operatively connected to the gear train, a second planetary gear set having a fixed gear ratio operatively connected to the first planetary gear set, and a synchronizer operatively connected to the first planetary gear set and which is positioned between the first and second planetary gear set; a differential operatively connected to the second planetary gear set; wherein the electrical machine selectively transmits power to the differential through the gear train, first planetary gear set, synchronizer, and second planetary gear set, and wherein the synchronizer is constructed and arranged to shift the driveline module into a high, low, and a neutral mode through placement of a ring gear of the first planetary gear set.

Abstract: A tensioner uses a low rate torsion spring in a first stage and a high rate torsion spring in a second stage to maintain tension in a chain or belt. The first stage is connected to the second stage by a torque coupling. The high rate torsion spring is maintained in an energized state between a ground and a dead stop to store energy and to provide tension under high loads. In some embodiments, the torque coupling is a damper. In other embodiments, the torque coupling is a clutch. A method stores energy in a high rate torsion spring of a tensioner.

Abstract: A race for a mechanical clutch assembly may be formed from multiple race layers that assembled from pluralities of stamped arcuate segments. First and second race layers may have the same shape when their arcuate segments are assembled are assembled. The arcuate segments of the first race layer may be identical to each other, and the arcuate segments of the second race layer may be identical to each other, but the first layer arcuate segments are not identical to the second layer arcuate segments. Interlocking joints between the first layer arcuate segments are not aligned with interlocking joints between the second layer arcuate segments when the race layers are joined together and aligned for use in the mechanical clutch assembly.

Abstract: An exhaust-gas turbocharger with a compressor with a charge pressure control device. An actuator is provided which moves a control rod arrangement. The control rod arrangement is in turn rotatably connected to a lever. The charge pressure control device is actuated by the lever. A pin is arranged on the lever. The control rod arrangement has a bushing which is pushed onto the pin. The connection between pin and bushing constitutes a rotatable connection for enabling the lever to be actuated by the control rod arrangement. This arrangement is very simple to produce and very simple to assemble because the bushing must merely be pushed onto the pin.

Abstract: An exhaust-gas turbocharger (1) having a turbine housing (2) which has a turbine spiral (16); and a compressor housing (3) which has a compressor spiral (17). An internal flow-guiding spiral surface (18 or 19 respectively) of the turbine spiral (16) and/or of the compressor spiral (17) is machined in a material-removing process.