Title:
燃料噴射弁及び燃料噴射装置
Document Type and Number:
Japanese Patent JP5079650
Kind Code:
B2
Abstract:
A fuel injection device characterized in that it comprises a fluid path to which high-pressure fluid is supplied externally, a spray hole which connects with said fluid path and sprays at least a portion of the high-pressure fluid, a branch path which diverges from said fluid path and has a closed tip end, a diaphragm which connects with said branch path and has at least a portion which strains and deforms when subjected to pressure of said high-pressure fluid which is changed by spraying of the fluid from the spray hole, displacement sensing means for sensing a displacement of said diaphragm, an injector body which has said fluid path and said spray hole formed therein, and a separate member which is formed to be separate from said injector body and disposed inside said injector body is disclosed. Further, said separate member has formed therein a hole or a groove which communicates with said fluid path to form at least a portion of said branch path and a thin-walled portion which communicates with said hole or said groove to form said diaphragm.
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Inventors:
Jun Kondo
Toru Taguchi
Arikawa civilization
Akitoshi Yamanaka
Toru Taguchi
Arikawa civilization
Akitoshi Yamanaka
Application Number:
JP2008243807A
Publication Date:
November 21, 2012
Filing Date:
September 24, 2008
Export Citation:
Assignee:
株式会社デンソー
株式会社日本自動車部品総合研究所
株式会社日本自動車部品総合研究所
International Classes:
F02M51/06; F02M45/00; F02M47/00; F02M47/02; F02M61/10
Domestic Patent References:
| JP2001512564A | ||||
| JP2001272292A | ||||
| JP2000275128A | ||||
| JP2005076618A | ||||
| JP2004027910A |
Attorney, Agent or Firm:
Tsuyoshi Yamada