发明名称 |
Actuator Arrangement for use in a Fuel Injector |
摘要 |
The present invention relates an actuator arrangement for use in a fuel injector, comprising: a piezoelectric actuator having a body section, said body section having a first end piece and a second end piece; a sleeve which enshrouds at least part of the body section of the actuator; and at least one constrictive member, disposed externally with respect to the sleeve wherein the constrictive member applies a constrictive force to the sleeve to maintain a seal between the sleeve and the underlying body section of the actuator. The underlying body section comprises an alternation of smooth sections and rough sections; said rough sections comprising superficial markings.
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申请公布号 |
EP2372139(A1) |
申请公布日期 |
2011.10.05 |
申请号 |
EP20100157760 |
申请日期 |
2010.03.25 |
申请人 |
DELPHI TECHNOLOGIES HOLDING S.A.R.L. |
发明人 |
WINANDY, JEAN-PIERRE;CARPENTIER, CHRISTOPHE |
分类号 |
F02M51/06;F02M61/16;F02M63/00 |
主分类号 |
F02M51/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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