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Title:
燃料噴射弁
Document Type and Number:
Japanese Patent JP5169950
Kind Code:
B2
Abstract:
A stem is installed to an injector body and is resiliently deformable upon receiving a pressure of high pressure fuel conducted through a high pressure passage of the injector body. A strain gauge is installed to the stem to sense a strain generated in the stem. A molded IC device executes an amplifying operation, which amplifies a signal received from the strain gauge. A retainer is threadably fastened to the injector body and is configured to be rotatable relative to the stem. The stem, the strain gauge the molded IC device are integrally assembled together to form a fuel pressure sensing unit, which is installed to the injector body by threadably fastening a threaded portion of the retainer to the injector body.

Inventors:
Jun Kondo
Fujino Tomoki
Hiroshi Tsuda
Application Number:
JP2009090737A
Publication Date:
March 27, 2013
Filing Date:
April 03, 2009
Export Citation:
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Assignee:
株式会社デンソー
International Classes:
F02M51/06; F02D35/00; F02M51/02; F02M65/00; G01L9/04; G01L23/18
Domestic Patent References:
JP57005526A
JP2008070190A
JP2003161225A
JP2007056816A
Foreign References:
WO2007073963A1
Attorney, Agent or Firm:
Tsuyoshi Yamada
Yasunari Kurita
Kyoko Hino
Satoru Ando



 
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