发明授权
- 专利标题： Piezoelectric actuator
- 专利标题（中）： 压电执行器
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申请号： US09117891申请日： 1999-02-05
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公开(公告)号： US06172445B2公开(公告)日： 2001-01-09
- 发明人: Rudolf Heinz , Dieter Kienzler , Roger Potschin , Klaus-Peter Schmoll , Friedrich Boecking
- 申请人： Rudolf Heinz , Dieter Kienzler , Roger Potschin , Klaus-Peter Schmoll , Friedrich Boecking
- 优先权： DE19650900 19961207
- 主分类号： H01L4108
- IPC分类号： H01L4108
摘要：
A piezoelectric actuator intended for instance for actuating injection valves in internal combustion engines of motor vehicles is protected against destructive tensile strains in that resilient prestressing elements that subject the piezoelectric body to precompression are provided for the piezoelectric body of the actuator.