Motor vehicle parking lock device having at least one locking element
US9267599B2 · kind B2 · utility
6Cited by
1References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 10, 2011 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Mar 14, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H63/3491
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A motor vehicle parking lock device has at least one locking element for locking a parking lock piston in a positive-fit manner and a release unit having at least one electromagnetic actuator for releasing the parking lock piston. The release unit has a hydraulic and/or pneumatic actuator acting parallel to the electromagnetic actuator and which releases the parking lock piston at least in the event of a failure of the electromagnetic actuator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.