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Title:
筒内噴射型内燃機関および内燃機関の制御方法、燃料噴射弁
Document Type and Number:
Japanese Patent JP4087064
Kind Code:
B2
Abstract:
There is provided a cylinder injection type internal combustion engine capable of performing stratified charge operation at the time of a vehicle speed of 120 km/h and/or an engine rotational speed of 3200 rpm to enhance the fuel efficiency and/or to observe the emission regulations. In the internal combustion engine, a stratum of air and/or air flow is formed between a fuel spray injected from an injection valve and the top face of a piston and/or the wall surface of a combustion chamber, and a face shape contrived to guide the air flow is formed on the top face of the piston. Also, the stratified charge operation can be performed even at the time of cold start or cranking.

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Inventors:
Takuya Shiraishi
Toshiharu Nogi
Minoru Osuka
Yoko Nakayama
Noboru Tokuyasu
Application Number:
JP2000556140A
Publication Date:
May 14, 2008
Filing Date:
June 22, 1999
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
F02B23/10; F02B17/00; F02B31/08; F02D41/00; F02D41/02; F02D41/06; F02D43/00; F02F1/42; F02M61/16; F02M61/18; F02M69/04; F02B75/12; F02D41/30; F02D41/40; F02F1/24
Domestic Patent References:
JPH0681656A1994-03-22
JPH10159621A1998-06-16
JPH0979081A1997-03-25
JPH07102976A1995-04-18
JPH06101554A1994-04-12
JPH10141065A1998-05-26
JPH1136871A1999-02-09
JPH09236036A1997-09-09
JPH10227239A1998-08-25
JPH08114166A1996-05-07
JPH0571405A1993-03-23
JP2751626B21998-05-18
JPH10231744A1998-09-02
JPH10122096A1998-05-12
JPH07293304A1995-11-07
JPH09317479A1997-12-09
JPH09273435A1997-10-21
JPH11193722A1999-07-21
JPH06207542A1994-07-26
JPH07109925A1995-04-25
JPH08260986A1996-10-08
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Yukio Iwamoto
Toru Mori



 
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