Invention Grant
- Patent Title: Actuator for active motor vehicle bonnet
- Patent Title (中): 主动汽车发动机罩的执行器
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Application No.: US12280785Application Date: 2007-02-26
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Publication No.: US08196507B2Publication Date: 2012-06-12
- Inventor: Joachim Schäfer , Volker Scheuch , Werner Schmidt , Martin Zilg
- Applicant: Joachim Schäfer , Volker Scheuch , Werner Schmidt , Martin Zilg
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Agency: Ingrassia Fisher & Lorenz, P.C.
- Priority: DE102006008901 20060227
- International Application: PCT/EP2007/001635 WO 20070226
- International Announcement: WO2007/098906 WO 20070907
- Main IPC: B60R21/34
- IPC: B60R21/34 ; B62D25/10

Abstract:
A pneumatic actuator is provided for an active bonnet. The pneumatic actuator includes, but is not limited to a cylinder and a piston transferable from a rest position to an extended position and lockable in its rest position. The piston, in its rest position, is held pre-stressed by a spring element in the direction of the extended state.
Public/Granted literature
- US20090095151A1 Actuator For Active Motor Vehicle Bonnet Public/Granted day:2009-04-16
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