Invention Application
US20120204562A1 PYROTECHNIC ACTUATOR WITH A CYLINDER HAVING COMMUNICATING CHAMBERS
有权
带有连通通道的气缸的PYROTECHNIC执行器
- Patent Title: PYROTECHNIC ACTUATOR WITH A CYLINDER HAVING COMMUNICATING CHAMBERS
- Patent Title (中): 带有连通通道的气缸的PYROTECHNIC执行器
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Application No.: US13454400Application Date: 2012-04-24
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Publication No.: US20120204562A1Publication Date: 2012-08-16
- 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
- Priority: DE102005051657.2 20051028
- Main IPC: F02G3/00
- IPC: F02G3/00 ; F42B3/10

Abstract:
A vehicle is provided having an active bonnet and a pyrotechnic actuator configured to lift the active bonnet a plurality of times without having to perform maintenance on the pyrotechnic actuator. The pyrotechnic actuator includes a cylinder having an inlet opening, a first chamber and a second chamber that are separated by a central region; a piston that is configured to be displaced through the central region of the cylinder between a first position in the first chamber and a second position in the second chamber; and a carrier having first and second gas generators each being coupled to the inlet opening. The first gas generator is configured to be ignited to lift the active bonnet a first time, and the second gas generator is configured to be ignited independently of the first gas generator to lift the active bonnet a second time.
Public/Granted literature
- US08596180B2 Pyrotechnic actuator with a cylinder having communicating chambers Public/Granted day:2013-12-03
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