Robert Boschgmbh

Richard Hurst

Ernst Fischer

Juergen Herp

Hansjoerg Karcher

Detlef Lauk

Erik Maurer

Andreas Wiegert

Martin Heyder

Anton Waibel

Bernd Bock

Christian Sauer

Alexander Dudek

Norbert Wegner

Claus Fleischer

Tino Boos

Guenter Kastinger

Lothar Fauth

Armin Stubner

Norbert Martin

Christian Schneider

Thomas Holzer

Matthias Koesters

Andreas Saum

Detlef Lauf

Gerhard Michenfelder

Marco Saettele

A drive unit, especially an actuator unit in a vehicle, comprises an electric drive motor the motor shaft of which is rotatably mounted in bearings. A clamping ring is arranged in a housing and axially supports a bearing of the motor shaft.

Drive unit, especially an actuator unit in a vehicle

The invention relates to a gear housing () comprising a gear, particularly comprising a gear of a wiper device for motor vehicles, having a housing base body (), having a housing cover () affixed at a distance to the housing base body () by means of a plurality of retaining clips () made of spring steel in circumferential direction, and having an annular seal () disposed between the housing base body () and the housing cover () and pressed against a support region () of the housing base body. The invention provides that the radial extension (y) of the support region is smaller than the radial extension (x, x') of the annular seal.

Gear housing

The invention relates to a housing () for a drive device, especially for an adjusting device and/or a windshield wiper drive in a motor vehicle, comprising a pressure compensating membrane () obturating a housing opening (). The invention is characterized in that the pressure compensating membrane () has a peripheral sealing surface () which extends continuously in the direction of circumference. The invention further relates to a drive device and to a method for testing the operativeness of a pressure compensating membrane ().

Housing for a drive device, drive device and method for testing the tightness of a pressure compensating membrane

An electric drive, in particular a wiper drive for vehicles, is proposed, with an electric driving motor in a motor housing (), a brush holder () projecting into the motor housing (), an anti-interference module () which is connected electrically and mechanically to the brush holder () and is intended for the electrical connection and interference protection of the motor, and with a gear mechanism () which is attached to the motor housing (), at least partially accommodates the anti-interference module () and is designed in accordance with the predetermined position of the output shaft () with respect to the drive shaft (). According to the invention, the diversity of components of the electric drive and therefore, in particular, the diversity of tools for producing the components are reduced by the anti-interference module () and the brush holder () being equipped with corresponding retaining means () which permit the installation of a structurally identical anti-interference module () on the brush holder () in two installation positions rotated through 180&#xb0;.

Electric drive

In an electric motor-and-gear assembly for driving automotive power accessories such as front and rear wipers, power window units, or the like, having transmission casing, that can be closed by means of a casing cover, and having a socket that is disposed in the casing cover and can be contacted by means of a connector plug in order to connect the electric motor to the electrical system of the vehicle, for the sake of a uniform, single design of the socket when there are structurally varied designs of connector plugs, the socket is attached to an interchangeable adapter which has a first group of electrical contacts adapted to the socket and a second group of electrical contacts adapted to the connector plug. The contacts of the two contact groups, which are comprised of plug tabs, are connected to one another in an electrically conductive manner inside or along a surface of the adapter.

Interchangeable adapter for electric motor-and-gear assembly

An electric drive unit for windshield wipers of a motor vehicle, including a drive motor having an armature accommodated in a substantially cup-shaped pole housing, a substantially cup-shaped gearbox, secured on a face end to the pole housing, for receiving gear elements that convert the rotation of an armature shaft of the armature, supported on one end in the pole housing and on the other end in the gearbox. The armature shaft, adjacent to a bottom of the pole housing, is supported in a cylinder bearing mounted with a press-fit, whose outer diameter is greater than or equal to three times a length of the cylinder bearing.

Electric drive unit with a cylindrical bearing indented in the housing

In an electric-motor drive device for auxiliary devices in motor vehicles, such as sliding roofs, window controls, windshield wipers, and the like, having a gear housing ( ) and a cup-shaped motor housing ( ) that is slipped with its opening edge ( ) onto the gear housing ( ) and fixed thereon, to reduce manufacturing costs and the requisite installation space and improve force introduction from the motor housing ( ) to the gear housing ( ), the motor housing ( ), in its slip-on region, is roller-burnished into the gear housing ( ).

Electric-motor drive device

The invention is based on a windshield wiper system with a wiper motor ( ), which is fastened to a vehicle body by means of a linkage housing ( ) connected to the wiper motor and by means of a wiper support ( ) with a hollow profile ( ). The linkage housing ( ) has at least one screw fitting ( ), which is disposed spaced apart from a drive-side bearing dome ( ) and extends in its direction. The hollow profile * ) of the wiper support is guided between the at least one screw fitting and the bearing dome and is supported against the circumference surfaces ( ) of the at least one screw fitting and/or the bearing dome ( ).

Windscreen wiper system

An electric motor-and-gear assembly for driving vehicle aggregates such as windshield and rear window wipers, power-window units and the like, having a transmission housing that can be closed by a housing cover. A motor housing that contains a commutator motor whose commutator protrudes into the transmission housing and cooperates with a brush holder fixed in the transmission housing. For the sake of a more reasonably priced manufacture and a time-saving, more rapid assembly of the brush holder, the commutator brushes are embodied as hammer brushes with spring leaf actuators prestressed toward the commutator. The spring leaf actuator are respectively fixed with their one actuator end in a U-shaped plastic carrying part of the brush holder, which is inserted into the transmission housing radial to the commutator, through the housing opening and is positioned in the transmission housing in a positively engaging manner by means of the housing cover.

Electric motor-and-gear assembly for vehicle accessories

An electric drive unit for vehicle systems, such as power windows and windshield wipers, having a commutator motor that has a commutator and at least two commutator brushes. The electric drive unit includes electrical components of an electronic system for the motor. To reduce production costs and simplify assembly, the electrical components are electrically secured to a lead frame that makes the electrical connection between the components and the commutator motor and the commutator brushes are embodied as hammerhead brushes, whose carrier plates are bent in one piece out of the lead frame.

Electric drive unit for vehicle systems

An electric drive unit for windshield washers of a motor vehicle, including a drive motor having an armature accommodated in a substantially cup-shaped pole housing, a substantially cup-shaped gearbox, secured by its face end to the pole housing, for receiving at least one transmission gear wheel that meshes with a worm connected to an armature shaft of the armature. The armature shaft has a mushroom-shaped stop face on its face end, against which a spring for generating a defined initial stress comes to rest. The spring is a curved bendable spring, which has a substantially V-shaped profile, with a tensioning plate secured in the gearbox and with a leg that yields in the axial direction of the armature shaft, which in the installed state of rest, the spring exerts a spring force, on the mushroom-shaped face of the armature shaft.

Electrical drive unit

An electric drive unit having an electric drive motor and a transmission. The electric drive motor has an armature shaft which extends, for example, to a worm shaft of the transmission. The shaft is embodied of one piece with the armature shaft. A first bearing and a second bearing are provided to support the armature shaft. The second bearing is embodied as a ball bearing with an outer ring, an inner ring, and balls. The inner ring is press-fitted in a rotationally fixed manner onto the armature shaft. The outer ring is slid into a receiving bore disposed in the transmission housing and is pressed against an axial stop face adjoining the receiving bore by means of a retaining part that is supported in an installation channel and has flexible tongues that are directed toward the outer ring. This axial pressing can be produced in an easy-to-assemble fashion and is also inexpensive thanks to a low cost of the retaining part. The proposed electrical drive unit can be used, for example, for at least one windshield wiper of a vehicle.

Electric drive unit

The invention relates to a shaft and hub connection for securing bearings, in particular ball bearings (,), on a shaft (,). The proposal is made that the hub part (,) of the bearing (,) encompassing the shaft (,) have at least one axial surface (,), against which a projection (,) rests, which is produced from the shaft (,) by means of plastic deformation and prevents an axial movement.

Shaft-hub assembly and method of production thereof

An electric drive unit, for windshield wipers of a motor vehicle, including a drive motor, having an armature accommodated in a substantially cup-shaped pole housing, and including a gearbox, secured by a face end to the pole housing for receiving at least one worm, wheel supported on a power takeoff shaft. The worm wheel engages a worm connected to an armature shaft of the drive motor. The power takeoff shaft is supported in an eccentric bush which is rotatable to set the axial spacing between the armature shaft and the power takeoff shaft and can be mounted in the rotated state, in a manner fixed against relative rotation, in the gearbox. The eccentric bush is embodied in a graduated fashion, such that it has a larger diameter on a side toward the flange than on another side remote from the flange.

Growing community of inventors

Offenburg, Germany

Richard Hurst