Title:
DIRECT INJECTION SPARK-IGNITION TYPE INTERNAL COMBUSTION ENGINE
Document Type and Number:
Japanese Patent JP3598880
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To layer-likely and surely transport fuel atomization to nearby an ignition plug, by collecting an air flow from the groove part of a piston crown surface to one point, to lead the air flow to nearby a fuel injection valve.
SOLUTION: A sequential tumble flow, guided by the groove part 11 of a piston 3 crown surface to move toward nearby a fuel injection valve 10 and toward nearby an ignition plug 9 from nearby the valve 10, is produced in a combustion chamber 4. The groove part 11 of the piston 3 crown surface has a width having the broad exhaust valve 6 side and the narrow intake valve 5 side, and a depth having the shallow valve 6 side and the deep valve 5 side.
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Inventors:
Yasuyuki Ito
Tomonori Urushihara
Yuichi Iriya
Takashi Fukuda
Tomonori Urushihara
Yuichi Iriya
Takashi Fukuda
Application Number:
JP15921499A
Publication Date:
December 08, 2004
Filing Date:
June 07, 1999
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
F02B17/00; F02B23/10; F02B31/00; F02F3/24; F02F3/28; F02B75/02; F02B75/12; F02F1/24; F02F3/26; (IPC1-7): F02B23/10; F02B17/00; F02F3/24; F02F3/28
Domestic Patent References:
| JP9144543A | ||||
| JP7158454A | ||||
| JP10054246A | ||||
| JP7042556A | ||||
| JP9317479A | ||||
| JP8246877A | ||||
| JP7158453A | ||||
| JP10339140A | ||||
| JP9105330A | ||||
| JP5021132U | ||||
| JP9144544A | ||||
| JP2122123U |
Foreign References:
| WO1999067514A1 |
Attorney, Agent or Firm:
Tomijio Sasashima