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Title:
圧電式に制御される燃料噴射弁用のアクチュエータユニット
Document Type and Number:
Japanese Patent JP4142709
Kind Code:
B2
Abstract:
An actuator unit which is suitable for actuating a fuel injection valve of an injection system for internal combustion engines includes a piezoelectric actuator and a hollow body embodied as a spring. The service life of the actuator unit can be improved by designing the hollow body to eliminate or minimize bending stresses on the piezoelectric actuator.

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Inventors:
Friedrich becking
Dieter Keenzler
Ditmer Woolman
Uve Brutsch
Application Number:
JP2006500482A
Publication Date:
September 03, 2008
Filing Date:
March 19, 2004
Export Citation:
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Assignee:
ROBERT BOSCH GMBH
International Classes:
F02M51/06; F02M47/00; H01L41/053; H01L41/09; H02N2/04; F02M63/00
Domestic Patent References:
JP2001512911A
JP2003065179A
JP2083987A
JP1178762A
JP2001111125A
JP2002058260A
Foreign References:
WO2000008353A1
WO2003019688A1
Attorney, Agent or Firm:
Toshio Yano
Einzel Felix-Reinhard
Reinhard Einsel



 
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