Abstract: An active transfer case is disclosed having a multi-plate friction clutch installed on the front output shaft. A splash recovery lubrication system is provided to capture lubricant splashed from the sump in response to rotation of the friction clutch and transfer the captured lubricant to a central clutch feed chamber to cool and lubricate the components of the friction clutch.

Abstract: A two-speed active transfer case includes an input shaft adapted to receive drive torque from a powertrain, a rear output shaft adapted for connection to a rear driveline and aligned with the input shaft for rotation about a first rotary axis, a front output shaft adapted for connection to a front driveline and aligned for rotation about a second rotary axis, and a transfer mechanism driven by the rear output shaft. The transfer case also includes a two-speed range mechanism operably disposed between the input shaft and the rear output shaft, a range shift mechanism for controlling operation of the two-speed range mechanism, a mode mechanism operably disposed between the transfer mechanism and the front output shaft, and a mode shift mechanism for controlling operation of the mode mechanism.

Abstract: A blockage detector for detecting a blocked state of an electrical machine has: a first power determiner and a second power determiner for determining a first power consumption and a second power consumption of the electrical machine while a first phase voltage and a second phase voltage for operating at a first rotating field speed and a second rotating field speed are applied to the electrical machine, a quotient former for producing a power quotient between the first power consumption and the second power consumption; and a comparator for comparing the power quotient with a threshold value for the power quotient. The invention also relates to an inverter controller, an inverter, a drive, ventilation or air-conditioning system and a vehicle having a blockage detector according to the invention. In addition, the invention relates to a corresponding method for detecting a blocked state of an electrical machine.

Abstract: An electric fluid pump and method of regulating flow of liquid therethrough is provided. The pump has an electric motor including a stator and a rotor, wherein the rotor is supported for rotation to drive an impeller that is fixed thereto for rotation to pump coolant from a fluid inlet to a fluid outlet. A controller is in operable, closed loop communication with the electric motor, and the impeller is operable to rotate in a first rotary pumping direction and an opposite second rotary pumping direction in response to a signal from the controller. The first rotary pumping direction produces a first positive flow rate of coolant outwardly from the fluid outlet and the second rotary pumping direction produces a second positive flow rate of coolant outwardly from the fluid outlet, with the first positive flow rate being greater than the second positive flow rate.

Abstract: A method for controlling a motor vehicle (1) operated in all-wheel drive at times, by means of a control unit (3), wherein the motor vehicle comprises a drive unit (11), a primary drive axle (14) permanently driven by the drive unit (11), a secondary drive axle (24), a torque transmission train (17, 17.1) for transmitting the torque of the drive unit (11) to the secondary drive axle (24), and a disconnect clutch (15) for coupling the secondary drive axle (24) to and uncoupling same from the drive unit (11), wherein the control unit (3) can actuate the disconnect clutch (15) via a first actuating unit (16), characterized by the following steps determining an all-wheel requirement for the motor vehicle from input signals if there is a predetermined all-wheel requirement, preparing an all-wheel operation, wherein the disconnect clutch (15) is not closed.

Abstract: The invention relates to an electric motor-driven motor-vehicle vacuum pump (1), having a drive shaft (3) which has, in particular, two bearings and extends with a shaft stub (5; 35; 45) into a rotor (8) which is connected fixedly to the shaft stub so as to rotate with it. In the rotor, the shaft stub has a centring region (26; 36; 46) which serves to center the rotor, without guiding the rotor in the axial direction.

Abstract: An electric fluid pump, rotor unit therefore, and methods of constructions thereof are provided. The fluid pump includes a stator unit configured to generate a magnetic field in response to a control signal. A rotor unit is received within the stator unit, wherein the rotor unit is configured to rotate about a central rotor axis in response to the magnetic field generated by the stator unit. The rotor unit includes a plurality of magnets contained in through openings of a carrier assembly having first and second carrier members, wherein the first and second carrier members are fixed to one another by bond joints.

Abstract: A variable capacity pump includes a control ring moveable within a pump chamber to alter the volumetric capacity of the pump. First and second control chambers individually receive pressurized fluid to create forces to bias the control ring in a predetermined direction. A return spring urges the control ring toward a maximum volumetric capacity pump position. The control ring connects and disconnects the second control chamber from a source of pressurized fluid based on a position of the control ring. Forces from the control chambers and the spring act in combination with one another or against one another and against the spring force to establish first and second equilibrium pressures based on a pressurized or vented condition of the second control chamber.

Abstract: A cooling fan assembly operable for cooling a radiator of a vehicle includes a brushless motor and a fan element having a plurality of fan blades. The brushless motor includes a stator and a rotor. The fan element is attached at the rotor such that rotation of the rotor by the motor imparts rotation of the fan blades to enhance air flow at the radiator of the vehicle. The rotor is a molded polymeric rotor formed by injection molding a thermoplastic material. During injection molding of the rotor, a plurality of magnetic elements are at least partially overmolded by the thermoplastic material to establish the magnetic elements at the molded polymeric rotor. The rotor may have a bell-like shape, and the magnetic elements may be disposed at an inside facing surface of the rotor.

Abstract: A two-speed transfer case configured for use in heavy-duty four-wheel drive vehicles and which is equipped with a low-torque power transfer arrangement and a high-torque power transfer arrangement.

Abstract: A device for actuating a clutch-controlled transfer case including a rotatable selector shaft, a clutch cam disk rotatable about a clutch cam disk axis by means of the selector shaft and having a gate, and at least one scissor lever having an end guided in the gate. The gate has at least one curved portion having a continuously increasing radial distance from the clutch cam disk axis. The clutch cam disk defines an opening about the clutch cam disc axis, and the clutch cam disk defines a pair of stops extending radially into the opening. The selector shaft is rotatably positioned in the opening. The selector shaft includes a stopping member in radial alignment with the pair of stops such that the selector shaft can be rotated with respect to the clutch cam disk between two stops.

Abstract: A selectable one-way clutch includes a clutch module and at least one electromagnetic actuator module. Each electromagnetic actuator module includes at least one electromagnetic actuator assembly having a coil assembly, a locking strut, and a connection member mechanically interconnected to the locking strut for moving it between released and deployed positions in response to energization of the coil assembly.

Abstract: An integrated pinion/bearing/coupling (PBC) assembly for use with a hypoid gearset in power transfer assemblies of motor vehicles having mounting features and venting features. The integrated PBC assembly includes a hollow pinion unit made of steel and including a pinion shaft segment and a pinion gear segment, and a coupling unit having a hub segment made of aluminum. A brazing sleeve is used to braze the aluminum hub segment of the coupling unit to the steel pinion shaft segment of the pinion unit.

Abstract: A transfer case for a motor vehicle, comprising a housing, an input shaft, a first output shaft, which is arranged substantially coaxially with the input shaft and is operatively drive-connected to the input shaft, a second output shaft, which is arranged offset in relation to the input shaft and which is or can be operatively drive-connected to the input shaft via an offset mechanism, in the form of a flexible traction drive, and via a clutch unit, an actuator unit which serves for actuating the clutch unit, the actuator unit comprising a ramp mechanism having a first ramp disk fixed to the housing and a second, axially displaceable ramp disk, and a carrier shaft which is embodied as a hollow shaft and which at least partially encloses the input shaft, the carrier shaft being rotatably supported on the first ramp disk via a radial bearing.

Abstract: An electrical machine with a rotor which has at least one electrical sheet. The electrical sheet having crosspieces, wherein the crosspieces have a deformation in a direction normal to the plane of the electrical sheet.

Abstract: A locking arrangement for a transmission of a motor vehicle, comprising a locking toothing; a locking pawl, wherein the locking pawl is pivotable about a first rotary axis; a control element, wherein the locking pawl can be brought optionally into engagement with the locking toothing via the control element; a drive unit, wherein the control element can be brought by means of the drive unit into a release position and a locking position; a holding mechanism, wherein the control element can be held by means of the holding mechanism in the release position and in the locking position; and a safety mechanism comprising an electromagnet, an actuator and a first elastic element, wherein the actuator is pretensioned in a first actuator position by the first elastic element and can be held in a second actuator position by the electromagnet.

Abstract: The invention relates to a motor vehicle vacuum pump having a pump housing surface, on which a noise absorption cap is mounted, said cap defining a noise damping volume.

Abstract: A transfer case for a four-wheel drive vehicle having a disconnectable secondary axle assembly. The transfer case is configured to include a pumpless lubrication sump maintained in relation to a mainshaft for lubricating rotary components surrounding the mainshaft.

Abstract: A starting system for a vehicle including an internal combustion engine having a crankshaft includes a pinion gear driven by a starter motor. A drive plate includes a set of teeth in constant meshed engagement with the pinion gear. A one-way clutch assembly is adapted to drivingly interconnect the drive plate and the crankshaft. The clutch assembly includes an inner race adapted to be fixed for rotation with the crankshaft, an outer race fixed for rotation with the drive plate, and a plurality of rollers positioned radially therebetween. One of the inner and outer races includes circumferentially spaced apart cam surfaces. The clutch assembly also includes a cage for positioning the rollers in a circumferentially spaced apart alignment with the cam surfaces and a roller bearing assembly positioned axially offset from the one-way clutch rollers to rotatably support the outer race on the inner race.

Abstract: A venting arrangement for use with power transfer assemblies of the type used in motor vehicle driveline and drivetrain applications includes a vent oil deflector assembly. The vent oil deflector assembly is associated with an inside wall within an enclosed chamber and is configured to deflect lubricating oil splashed within the chamber away from an air venting passageway. The deflection feature and the venting feature are integrated into a common assembly.