Abstract: An active wheel suspension element has a ball screw drive having a screw drive with a threaded spindle and a spindle nut which is mounted in a housing via an axial bearing. The axial bearing is formed as a rolling bearing, whose rolling element rolls directly on the spindle nut.

Abstract: An electrical device (10, 13), in particular a power transformer (13), a shunt reactor, or an on-load tap changer (10), comprises a housing (101, 131) that is filled or fillable with insulation oil (11, 11?); and a sensor (12) that comprises a piezo element (16) in the housing (101, 131) on a level with a minimum fill level (19, 19?) of the insulation oil (11, 11?); and an evaluation device (18) that is connected to the piezo element (16); wherein the evaluation device (18) is formed such that it can induce an oscillation of the piezo element (16); and it can determine the fill level from a measurement of a characteristic of the oscillation, in particular the half-life period of the amplitude of the oscillation.

Abstract: An active wheel suspension element has a ball screw drive having a screw drive with a threaded spindle and a spindle nut which is mounted in a housing via an axial bearing. The axial bearing is formed as a rolling bearing, whose rolling element rolls directly on the spindle nut.

Abstract: A spindle drive includes a spindle nut, wherein the spindle nut is rotatably supported in a housing, a spindle, wherein the spindle is configured to be displaced in relation to the housing, an axial rolling bearing configured to support the spindle nut, wherein the axial rolling bearing does not guide axially, and a sliding bearing configured to support the spindle and act in a radial direction.

Abstract: An apparatus for toe and/or camber adjustment for a running gear of a motor vehicle, having a tie rod and/or a link which can be fastened at one side to a bearing fixed with respect to the car body and at the other side by a bearing can be fastened to the wheel carrier of a wheel of the motor vehicle, wherein one bearing has an adjustment element which is in the form of an eccentric and which has an eccentric shaft, which eccentric shaft can be adjusted by an adjustment drive and is assigned safety bearings arranged on both sides of the eccentric.

Abstract: An engine support (1) for preventing a linear movement, including a clamping element-blocking unit (3) that has two switched states, a housing (4) that is located radially outside the clamping element-blocking unit (3), and a rod (2); in the open switched state, the rod (2) can move linearly relative to the housing (4), and in the closed switched state, a relative linear movement between the rod (2) and the housing (4) is prevented; the clamping element-blocking unit (3) includes two clamping element cages (6, 7) which are located axially next to each other and in which a plurality of clamping elements (10) are guided, and also includes at least one spring (11, 16), the blocking effect being created by axially moving the clamping element cages (6, 7) towards each other.

Abstract: A step-by-step mechanism with a housing (2) in which an outer ring (3) and an output element (4) are disposed, the outer ring (3) including double-clamp ramps (6) and the output element (4) including an inner clamping track (7), and, in an annular space (8) formed between the outer ring (3) and the output element (4), clamping bodies (9) being disposed which cooperate with the double-clamp ramps (6), the clamping bodies (8) being spring-loaded. Provided in the housing (2) is a housing-fixed sleeve (10) and spring elements (13) that spring-load the clamping bodies (9) are supported on the sleeve (10).

Abstract: The invention relates to a method for monitoring an on-load tap changer that is used to switch between winding taps of a tapped transformer without interrupting the load current and is actuated using a motor drive. According to the invention, prior to the actual load switching process, the on-load tap changer is initially moved a short distance, preferably against the direction in which the load is subsequently switched. In said initial process, it is verified whether the on-load tap changer has moved, i.e. has left its previous stationary position, and/or whether the torque on the motor drive has exceeded a predefined threshold value. The actual load switching process takes place only once the test has yielded a positive result.

Abstract: An electrical device (10, 13), in particular a power transformer (13), a shunt reactor, or an on-load tap changer (10), comprises a housing (101, 131) that is filled or fillable with insulation oil (11, 11?); and a sensor (12) that comprises a piezo element (16) in the housing (101, 131) on a level with a minimum fill level (19, 19?) of the insulation oil (11, 11?); and an evaluation device (18) that is connected to the piezo element (16); wherein the evaluation device (18) is formed such that it can induce an oscillation of the piezo element (16); and it can determine the fill level from a measurement of a characteristic of the oscillation, in particular the half-life period of the amplitude of the oscillation.

Abstract: An apparatus for toe and/or camber adjustment for a running gear of a motor vehicle, having a tie rod and/or a link which can be fastened at one side to a bearing fixed with respect to the car body and at the other side by a bearing can be fastened to the wheel carrier of a wheel of the motor vehicle, wherein one bearing has an adjustment element which is in the form of an eccentric and which has an eccentric shaft, which eccentric shaft can be adjusted by an adjustment drive and is assigned safety bearings arranged on both sides of the eccentric.

Abstract: The invention relates to a flange assembly which takes up little installation space yet is nevertheless able to transfer high torques. According to the invention the flange assembly (5) includes a flange section (11) and a receiving section (6), wherein the flange section (11) is connected to the receiving section (6), to a holding body (10) and to a coupling body (7), wherein the holding body (10) is connected to the receiving section (6), wherein the holding body (10) is arranged in the axial direction between the coupling body (7) and the flange section (11), wherein the coupling body (7) is supported in the axial direction on the holding body (10), wherein the coupling body (7) and the flange section (11) are connected to one another in the axial direction and wherein the flange section (11) is connected to the receiving section (6) by virtue of the coupling body (7) being supported on the holding body (10).

Abstract: A step-by-step mechanism with a housing (2) in which an outer ring (3) and an output element (4) are disposed, the outer ring (3) including double-clamp ramps (6) and the output element (4) including an inner clamping track (7), and, in an annular space (8) formed between the outer ring (3) and the output element (4), clamping bodies (9) being disposed which cooperate with the double-clamp ramps (6), the clamping bodies (8) being spring-loaded. Provided in the housing (2) is a housing-fixed sleeve (10) and spring elements (13) that spring-load the clamping bodies (9) are supported on the sleeve (10).

Abstract: The invention relates to a method for monitoring an on-load tap changer that is used to switch between winding taps of a tapped transformer without interrupting the load current and is actuated using a motor drive. According to the invention, prior to the actual load switching process, the on-load tap changer is initially moved a short distance, preferably against the direction in which the load is subsequently switched. In said initial process, it is verified whether the on-load tap changer has moved, i.e. has left its previous stationary position, and/or whether the torque on the motor drive has exceeded a predefined threshold value. The actual load switching process takes place only once the test has yielded a positive result.

Abstract: The seat adjustment mechanism has a housing with an outer ring and an inner ring. The rings are arranged concentrically. Clamping bodies interact with double clamping ramps on the rings and are arranged in an annular space between the rings. Spring supports pivot in relation to each other, interact with a stop on the housing, are arranged concentrically with the rings, and engage in each case both in the annular space and in an inner space arranged radially within the inner ring. The spring supports are braced in relation to each other by a spring, which is arranged in the inner space to secure the clamping bodies in the center of the double clamping ramps. Stop surfaces of the spring supports are acted upon by a force in the direction in which they are minimally spaced apart.

Abstract: A device for damping rotary oscillations in a drive train with a freewheel clutch (27) located between a pulley (25) and a rotor hub (26) is provided. The hub (26) is connected to an input shaft of an auxiliary unit, and the pulley (25) is connected to a crankshaft via a traction means, and the freewheel clutch (27) has an inner ring (34), which surrounds the hub (26) while being fixed thereto, and includes an outer ring (35), which surrounds the inner ring (34) with radial play and which is fixed to the pulley (25). At least one locking element (36) that is actuated by centrifugal force is provided in the inner ring (34), and at least one locking receptacle (37) is provided in the outer ring (35).

Abstract: The seat adjustment mechanism has a housing with an outer ring and an inner ring. The rings are arranged concentrically. Clamping bodies interact with double clamping ramps on the rings and are arranged in an annular space between the rings. Spring supports pivot in relation to each other, interact with a stop on the housing, are arranged concentrically with the rings, and engage in each case both in the annular space and in an inner space arranged radially within the inner ring. The spring supports are braced in relation to each other by a spring, which is arranged in the inner space to secure the clamping bodies in the center of the double clamping ramps. Stop surfaces of the spring supports are acted upon by a force in the direction in which they are minimally spaced apart.

Abstract: A clamping device includes a first clamping plate and a second clamping plate, the first clamping plate being rotatable between a released position and a clamped position in relation to the second clamping plate. The clamping device further includes a rolling body which establishes contact between the first and second clamping plates. The second clamping plate includes a clamping ramp with a contour for the rolling body so that when the clamping plates are rotated in relation to each other, the space between the clamping plates changes. The first clamping plate has a surface which forms a plane on which the rolling body rolls from the released position to the clamped position.

Abstract: A device for damping rotary oscillations in a drive train with a freewheel clutch (27) located between a pulley (25) and a rotor hub (26) is provided. The hub (26) is connected to an input shaft of an auxiliary unit, and the pulley (25) is connected to a crankshaft via a traction means, and the freewheel clutch (27) has an inner ring (34), which surrounds the hub (26) while being fixed thereto, and includes an outer ring (35), which surrounds the inner ring (34) with radial play and which is fixed to the pulley (25). At least one locking element (36) that is actuated by centrifugal force is provided in the inner ring (34), and at least one locking receptacle (37) is provided in the outer ring (35).

Abstract: In a device for damping rotary oscillations in a traction mechanism drive for auxiliary units of an internal combustion engine, having an overrunning clutch (27), which is arranged between a pulley (25) and a hub (26), according to the invention a locking device (33) is located between the pulley (25) and the hub (26), axially behind the overrunning clutch (27). This locking device includes an inner ring (34), which surrounds and is secured to the hub (26), and outer ring (35), which surrounds the inner ring (34) with a radial clearance and is secured to the pulley (25), and a plurality of retaining balls (36) which, together with compression springs (37), are arranged in radial bores (39) in the outer ring (35).

Abstract: A vehicle roll stabilizer for the chassis of a motor vehicle is provided, with its actuator (3, 38) being energized with independent energy, as necessary, for counteracting a roll. The actuator (3, 38) is provided with at least one additional energy accumulator (33a, 57), with its stored energy additionally counteracting the roll.