Title:
FUEL INJECTION VALVE
Document Type and Number:
WIPO Patent Application WO/2019/087325
Kind Code:
A1
Abstract:
Provided is a fuel injection valve for internal combustion engine with which atomization characteristics are maintained in a suitable state, even if impurities are deposited thereupon. The fuel injection valve has a valve 10 for opening and closing a valve seat 12, and by operating the valve 10, fuel is injected from a plurality of injection holes 14 provided to an injection plate 13 fitted to the downstream side opening of the valve seat 12. The injection hole plate 13 is equipped with a rotating chamber 18 which imparts a rotational force to the fuel and injects fuel from the injection holes 14 to the exterior, and a fuel passage 17 which introduces fuel into the rotating chamber 18. The fuel passage 17 has, at a position where the sidewall portion and bottom portion thereof intersect, a recess 19 which is recessed into the sidewall portion of the fuel passage 17 in the direction of expansion of the fuel passage 17.
Inventors:
KAWASAKI SHOTA (JP)
MUNEZANE TSUYOSHI (JP)
ITO KEISUKE (JP)
MUNEZANE TSUYOSHI (JP)
ITO KEISUKE (JP)
Application Number:
PCT/JP2017/039508
Publication Date:
May 09, 2019
Filing Date:
November 01, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F02M61/18; F02M51/06; F02M51/08
Domestic Patent References:
| WO2016111149A1 | 2016-07-14 |
Foreign References:
| JP2014181610A | 2014-09-29 | |||
| JPH01271656A | 1989-10-30 |
Attorney, Agent or Firm:
OIWA Masuo et al. (JP)
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