| 发明名称 |
Tubular spring for actuator, and method for assembling the tubular spring |
| 摘要 |
A tubular spring is provided for preloading a piezoelectric or magnetostrictive actuator for the actuation of fuel injection valves for fuel injection systems of internal combustion engines. The tubular spring has at least two assembly engagements for uniform preloading of the tubular spring.
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| 申请公布号 |
US7564175(B2) |
申请公布日期 |
2009.07.21 |
| 申请号 |
US20040558812 |
申请日期 |
2004.04.06 |
| 申请人 |
ROBERT BOSCH GMBH |
发明人 |
STIER HUBERT;SCHMIEDER DIETMAR;DEPONTE RENE |
| 分类号 |
H01L41/02;F02M51/06;F02M63/00;F16F1/02;H01L41/053;H01L41/12;H01L41/24;H01L41/25;H02N2/04 |
主分类号 |
H01L41/02 |
| 代理机构 |
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