Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg

Magna Pt B.v. & Co. Kg

Getrag B.v. & Co. Kg

Stefan Kapp

Georg Burgardt

Reinhard Schaarschmidt

Stephan Bungart

Andreas Palme

Oliver Eppler

A selector drum for an automated manual transmission, in particular a dual clutch transmission, having a selector drum body, which can be mounted in the manual transmission for rotation about an axis of rotation, wherein at least one shifting contour is formed on the selector drum body, said shifting contour extending over a peripheral portion of the selector drum body, wherein the selector drum is designed for shifting at least one high gear stage, one middle gear stage and one low gear stage, wherein the at least one shifting contour has a shifting contour switch in a region of a switch gear portion.

Selector drum and motor-vehicle manual transmission

Parking-lock arrangement for a motor-vehicle transmission. The parking-lock arrangement has a parking-lock wheel which is mounted such that it can be rotated about a first axis. The parking-lock arrangement has a parking-lock pawl which is mounted such that it can be moved between a locking position and a release position. The parking-lock arrangement has an actuating arrangement which actuates the parking-lock pawl and is mounted such that it can be rotated about a second axis over an angular range. The angular range has a first angular section, within which the parking-lock pawl can be actuated, and a second angular section, within which the parking-lock pawl is held in a position.

Parking-lock arrangement and motor vehicle transmission

A gear shift arrangement for a motor vehicle gear mechanism comprises at least one clutch arrangement by means of which a gear of the gear mechanism can be engaged and disengaged. An actuator arrangement is coupled with the clutch arrangement via a first force transmission device. A parking block arrangement is coupled with the actuator arrangement via a second force transmission device. The actuator arrangement can be moved into a parking block position in which the parking block arrangement is activated. The actuator arrangement is configured to engage the gear on its travel to the parking block position and/or in the parking block position via the first force transmission device. The first force transmission device has a decoupling device which is configured to move or to let move the actuator arrangement into the parking block position even when the clutch arrangement is blocked.

Gear shift arrangement with parking block and method for its activation

A parking lock arrangement for a motor vehicle gearbox. A parking lock cog can be fixed to a shaft of the motor vehicle gearbox rotatable about a first axis. A parking lock pawl is supported so that it can pivot about a second axis. An actuating mechanism can pivot the parking lock pawl into a locking position, in which the parking lock pawl meshes with the parking lock cog. A release mechanism can pivot the parking lock pawl out of the locking position into a release position, in which the parking lock pawl is decoupled from the parking lock cog. The actuating mechanism has a cam, which is supported so that it can pivot about a third axis and which in a first cam position holds the parking lock pawl in the locking position.

Parking lock arrangement

A step variable transmission for a motor vehicle has a plurality of forward gear stages and at least one reverse gear stage. The transmission comprising: a drive input shaft arrangement, a drive output shaft arrangement, and a plurality of wheel sets which have loose wheels and shift wheels, wherein the shift wheels are rotatably mounted on a shaft arrangement and can be rotationally fixedly connected to the associated shaft arrangement by means of respective shift clutches.

Step variable transmission for a motor vehicle

A groove follower () for cooperating with a shift groove () of a shift drum () of a multi-step transmission for a motor vehicle, the groove follower () having a vertical crowning and a longitudinal crowning, and the shift groove () defining an active diameter along which the groove follower () is to be guided in a state in which the groove follower () engages into the shift groove (), and the entirety of all the vertices (S) of the vertical crowning forming a guide curve (L) along the circumference of the groove follower, characterized in that the position of the vertices of the vertical crowning is selected such that the guide curve (L) corresponds essentially to the active diameter of the shift drum ().(FIG.)

Groove follower for a shift drum of a multi-step transmission

An actuator arrangement for a twin-clutch transmission has a first and a second partial transmission. The first partial transmission contains odd forward gear stages and the second partial transmission contains even forward gear stages. At least one first and one second selector drum have in each case one controllable drive motor and at least one control cam. Each control cam is assigned at least one cam follower. The control cam of at least one selector drum encircles through at least 360&#xb0;. The associated drive motor is designed to drive said selector drum through at least 360&#xb0;. The gear stages are distributed on the two selector drums, and arranged on the control cams, in such a way that at least one direct multiple shift can be carried out.

Actuator arrangement having selector drums for a twin-clutch transmission

Shift drum (') for a multi-step transmission of a motor vehicle, with at least one circumferential track (), in particular circumferential groove (), into which at least one axially displaceable track follower (S, T) can engage, the circumferential track () having flanks () along which the track follower (S, T) is guided, characterized in that one of the flanks () has a portion () which is mounted so as to be movable axially out of a normal position against a restoring force (F).

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Walheim, Germany

Stefan Kapp