Actuating device for an automatic transmission of a motor vehicle
AssigneeDaimlerChrysler AG
InventorsMartin Burgbacher, Jens Dorfschmid, Hans-Peter Fiederlein, Harald Nauerz, Joern-Marten Ohle
Life of this patent
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Abstract
The invention relates to an actuating device for an automatic transmission of a motor vehicle. To allow the motor vehicle to be operated safely and managed conveniently, the invention makes provision for the actuating device to have not only a first device, by which a parking interlock can be engaged and released in normal operation of the actuating device, but also a second device, by which the parking interlock can be engaged in the event of a malfunction.
Claims32
Actuating device for an automatic transmission of a motor vehicle, the actuating device comprising:
- a drive-setting selector device, which has at least one park position and further positions,
- a control device, which communicates via signals with the drive-setting selector device,
- at least one actuator, which is controllable by the control device, drive ranges, which is selectable by the actuator,
- a parking interlock,
- a first device for engaging and releasing the parking interlock, and
- a second device for engaging the parking interlock.
Method for actuating an automatic transmission of a motor vehicle, which transmission includes a drive-setting selector device, which has at least one park position and further positions, a control device, which communicates via signals with the drive-setting selector device, at least one actuator, which is controllable by the control device, drive ranges, which is selectable by the actuator, a parking interlock, and a first device for engaging and releasing the parking interlock, the method comprising:
- providing a second device for engaging the parking interlock.
Dependencies are inferred from the claim text.