Abstract: A differential having a circulating carrier with drive gearwheel, at least two planet gearwheels rotatably mounted in the circulating carrier, with lateral gearwheels leading to side shafts of the drive axle of a vehicle and enmeshing with the planet gearwheels, wherein one lateral gearwheel can be connected either to the associated side shaft or to the circulating carrier via a coupling arrangement. The coupling arrangement is located between the circulating carrier and the side shaft and includes an actuator sleeve with an axially active claw coupling towards the lateral gearwheel and a radially active sliding toothing towards the side shaft.

Abstract: A differential having a circulating carrier with drive gearwheel, at least two planet gearwheels rotatably mounted in the circulating carrier, with lateral gearwheels leading to side shafts of the drive axle of a vehicle and enmeshing with the planet gearwheels, wherein one lateral gearwheel can be connected either to the associated side shaft or to the circulating carrier via a coupling arrangement. The coupling arrangement is located between the circulating carrier and the side shaft and includes an actuator sleeve with an axially active claw coupling towards the lateral gearwheel and a radially active sliding toothing towards the side shaft.

Abstract: A distribution gearbox for distributing a drive torque of a drive unit of a motor vehicle to a first axle and a second axle of the motor vehicle, and including a housing, an input shaft, a clutch unit which is seated coaxially with respect to the input shaft, and a chain sprocket which can be driven by the clutch unit and by way of which a drive moment of the input shaft can be transmitted to an output shaft, wherein the chain sprocket is mounted on a neck-shaped reduced portion of the housing.

Abstract: A transmission unit comprises a planetary wheel set, which comprises a plurality of gearwheel elements and is designed as a pump which effects delivery of hydraulic fluid from a suction zone to a pressure zone of a pump casing containing the planetary wheel set by means of the gearwheel elements. A controllable throttling device is provided in order to selectively throttle a fluid flow pumped between the suction zone and the pressure zone and thereby to brake the gearwheel elements of the planetary wheel set relative to one another. A fluid reservoir, which can be connected simultaneously to the suction zone and to the pressure zone via the throttling device, is arranged in a pump casing interspace formed between a plurality of gearwheel elements of the planetary wheel set.

Abstract: A distribution gearbox for distributing a drive torque of a drive unit of a motor vehicle to a first axle and a second axle of the motor vehicle, and including a housing, an input shaft, a clutch unit which is seated coaxially with respect to the input shaft, and a chain sprocket which can be driven by the clutch unit and by way of which a drive moment of the input shaft can be transmitted to an output shaft, wherein the chain sprocket is mounted on a neck-shaped reduced portion of the housing.

Abstract: A torque transmission device for the transmission of torque between a first component and a second component which are mounted such that they can rotate about a common rotational axis. The torque transmission device includes a clutch configured to actuate in the axial direction and an actuation unit with a converter device and an actuating device. The converter device includes at least one axially movable first converter element and a second converter element assigned to the second component. The converter elements are configured such that relative rotation between the first and the second converter elements is converted into an axial movement of the first converter element to actuate the clutch. The actuating device is configured to generate selective coupling action between the first converter element and a structural element of the clutch.

Abstract: A transmission unit comprises a planetary wheel set, which comprises a plurality of gearwheel elements and is designed as a pump which effects delivery of hydraulic fluid from a suction zone to a pressure zone of a pump casing containing the planetary wheel set by means of the gearwheel elements. A controllable throttling device is provided in order to selectively throttle a fluid flow pumped between the suction zone and the pressure zone and thereby to brake the gearwheel elements of the planetary wheel set relative to one another. A fluid reservoir, which can be connected simultaneously to the suction zone and to the pressure zone via the throttling device, is arranged in a pump casing interspace formed between a plurality of gearwheel elements of the planetary wheel set.

Abstract: The invention relates to a torque transmission unit for a motor vehicle with a permanently driven primary axle and a switchable secondary axle, comprising a first connecting part and a second connecting part. The invention furthermore comprises several lamellas that are divided into primary lamellas and secondary lamellas in an alternating arrangement. The unit further comprises a planetary gear system, comprising an at least first gear element, rotationally connected with the first connection part, a second gear element, rotationally connected with the second connection part, and a third gear element, rotationally connected with the primary lamellas. The secondary lamellas are rotationally connected with the first connection part, the second connection part or with a stationary housing part.

Abstract: A magnetorheological clutch includes a primary part, a secondary part and a magnet for the generation of a magnetic field. The primary part and the secondary part are rotatable relative to one another around an axis of rotation of the clutch, with the primary part being rotationally fixedly connected to at least one disk. The disk is surrounded by coupling gaps in which a magnetorheological medium is arranged. The thickness of the at least one disk along the coupling gap has a value of approximately 0.4 mm to approximately 1 mm, with the at least one disk being formed along the coupling gaps without material interruptions.

Abstract: A magnetorheologic clutch includes a stationary part, a rotatable primary part having primary discs, a secondary part having secondary discs, and a chamber containing magnetorheologic fluid formed between the primary and secondary parts that is exposed to an adjustable magnetic field. To make a magnetorheologic clutch as small as possible which is capable of transmitting a peak torque at a minimum power consumption and which is easily controlled, at least one magnet coil is axially arranged before or after the discs and encompasses a first U-shaped cylinder head whose two surfaces are arranged on the side of the discs in a parallel thereto. A second cylinder head is disposed on the side of the discs opposite with respect to the first cylinder head. Areas of the secondary part are radially disposed inside and outside the discs which are made of a low-permeability magnetic material.

Abstract: A magnetorheological clutch comprises a stationary part, a rotating primary part with primary laminated strips and a secondary part with secondary laminated strips, whereby a controllable magnetic field acts upon the magnetorheological fluid. The aim of the invention is to allow transmission of a highest possible torque in a smallest possible space and with minimal power consumption. Said aim is achieved, whereby a number of solenoid coils, each having a first yoke with a substantially radial winding axis, are alternately oppositely polarized; the first yokes have cylindrical front faces, whereby the magnetic field lines radially enter and exit said yokes, the primary laminated strips and secondary laminated strips form closed cylindrical envelopes and second outer and inner yokes are provided radially outside of and radially inside the first yokes, whereby the magnetic field lines radially enter the second yokes and radially exit said yokes in the opposite direction.

Abstract: A transmission unit for a motor vehicle has a drive shaft for a connection to an internal combustion engine of the motor vehicle, an output shaft for the driving of the motor vehicle, a change speed gearbox, an additional drive motor and a planetary transmission, with the additional drive motor being coupled to a first part of the planetary transmission and the output shaft being coupled to a second part of the planetary transmission. The change speed gearbox has at least one selectable gear stage via which the drive shaft of the transmission unit can be operationally coupled directly to the output shaft while bypassing the planetary transmission. The change speed gearbox furthermore has at least one second selectable gear stage via which the drive shaft can be operationally coupled indirectly to the output shaft via a third part of the planetary transmission.

Abstract: The invention relates to a torque transmission unit for a motor vehicle with a permanently driven primary axle and a switchable secondary axle, comprising a first connecting part and a second connecting part. The invention furthermore comprises several lamellas that are divided into primary lamellas and secondary lamellas in an alternating arrangement. The unit further comprises a planetary gear system, comprising an at least first gear element, rotationally connected with the first connection part, a second gear element, rotationally connected with the second connection part, and a third gear element, rotationally connected with the primary lamellas. The secondary lamellas are rotationally connected with the first connection part, the second connection part or with a stationary housing part.

Abstract: The invention relates to a component (10) with a retaining function, comprising at least one first element (16) and at least one second element (26) which are arranged movably with respect to each other, at least one magnetizable component (18) with residual properties, a magneto-rheological fluid (38) or magnetic powder which is located in the magnetic field of the at least one magnetizable component, when the latter is magnetized, and via which the two elements can be brought into operative connection, and a coil (20) which is arranged in such a manner that, when energized, it can generate a magnetic field sufficient to magnetize the at least one magnetizable component, wherein the coil and the at least one magnetizable component are arranged in such a manner that a first currentless or energized state can be generated, sufficient so as to maintain the operative connection, and a second currentless state can be generated, as a result of which the operative connection can be undone.

Abstract: Disclosed is a magnetorheological clutch comprising a stationary part (1), a rotating primary part (2) with primary lamellae (7), and a coaxially rotating secondary part (3) with secondary lamellae (20). An adjustable magnetic field acts upon the magnetorheological fluid. In order to be able to transmit the greatest possible torque in a minimum of space and at minimal power consumption, at least one magnet coil (25) encompassing a first yoke (24a, 24b) is disposed such that primary lamellae (7, 7?) and secondary lamellae (20, 20?) are located on both sides thereof. The lamellae are made of a material which is provided with moderate magnetic permeability and allows limited short-circuit flux. A second yoke (27, 27?) having a face (32, 32?) that extends parallel to the lamellae adjoins the outermost lamella on both sides, “outermost” being in relation to the axial direction.

Abstract: The inventive magnetorheological clutch comprises a fixed part (1), a primary rotatable part provided with primary discs (4) and a secondary part (6) provided with secondary discs (14), wherein a magnetorheological fluid-containing space (19) is formed and a magnetic field acts on said magnetorheological fluid. The aim of said invention is to minimise the assembly space and the current consumption and, for this purpose is characterised in that at least one solenoid coil (10) comprising a yoke (9) is arranged upstream or downstream of a space (19) surface opposite to the first yoke (9), a second yoke (8) whose front surface (17) is arranged in a parallel position to the discs (4, 14) and the discs (4, 14) are embodied in the form of plates made of a moderate magnetic permeability material in such a way that fluxes are distributed through the discs by magnetic short circuit.

Abstract: The present invention relates to a magnetorheological clutch including a primary part, a secondary part and a magnet for the generation of a magnetic field. The primary part and the secondary part are rotatable relative to one another around an axis of rotation of the clutch, with the primary part being rotationally fixedly connected to at least one disk. The disk is surrounded by coupling gaps in which a magnetorheological medium is arranged. The thickness of the at least one disk along the coupling gap has a value of approximately 0.4 mm to approximately 1 mm, with the at least one disk being formed along the coupling gaps without material interruptions.

Abstract: A magnetorheological clutch consists of a stationary part, a primary part and a secondary part, a working space which contains a magnetorheological fluid being formed between primary part and secondary part, in which working space primary discs and secondary discs successively alternate in the radial direction, and a controllable magnetic field acting on the magnetorheological fluid. In order to prevent segregation of the fluid by centrifugal force in a simple type of construction, the working space is L-shaped in longitudinal section, the primary part is a shaft and the secondary part is a pot enclosing the working space, and are of pot-shaped design.

Abstract: A magnetorheological clutch comprises a stationary part (1), of a rotatable primary part (2) with primary lamellae (3) and of a secondary part (8) with secondary lamellae (17) which surrounds the primary part (2), there being formed between the primary part (2) and the secondary part (8) a space (28) which contains a magnetorheological fluid, a regulatable magnetic field acting on the magnetorheological fluid.

Abstract: Disclosed is a magnetorheological clutch comprising a stationary part (1), a rotating primary part (2) with primary lamellae (7), and a coaxially rotating secondary part (3) with secondary lamellae (20). An adjustable magnetic field acts upon the magnetorheological fluid. In order to be able to transmit the greatest possible torque in a minimum of space and at minimal power consumption, at least one magnet coil (25) encompassing a first yoke (24a, 24b) is disposed such that primary lamellae (7, 7?) and secondary lamellae (20, 20?) are located on both sides thereof. The lamellae are made of a material which is provided with moderate magnetic permeability and allows limited short-circuit flux. A second yoke (27, 27?) having a face (32, 32?) that extends parallel to the lamellae adjoins the outermost lamella on both sides, “outermost” being in relation to the axial direction.