Title:
FUEL INJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/139815
Kind Code:
A1
Abstract:
This fuel injection device comprises a nozzle holder, a fixed core, an anchor, and a valve member. The valve member has a valve body and a spacer. The valve body is provided with a shaft portion and an engaging portion that engages with the anchor during a valve-opening action. The spacer has a housing portion in which the engaging portion is housed, and forms a predetermined gap between the engaging portion and the anchor when the valve closes. A fluid resistance reduction portion that reduces the resistance of fluid is provided between the engaging portion and the anchor.
Inventors:
SUGII TAISUKE (JP)
MIYAMOTO AKIYASU (JP)
MIYAKE TAKAO (JP)
SUGAYA MASASHI (JP)
IIZUKA TAKATOSHI (JP)
MUKAI HIROSHI (JP)
YONEYA NAOKI (JP)
MIYAMOTO AKIYASU (JP)
MIYAKE TAKAO (JP)
SUGAYA MASASHI (JP)
IIZUKA TAKATOSHI (JP)
MUKAI HIROSHI (JP)
YONEYA NAOKI (JP)
Application Number:
PCT/JP2022/027702
Publication Date:
July 27, 2023
Filing Date:
July 14, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F02M51/00; F02M51/06
Domestic Patent References:
| WO2016042869A1 | 2016-03-24 |
Foreign References:
| JP2019065848A | 2019-04-25 | |||
| JP2018159294A | 2018-10-11 | |||
| JP2012097704A | 2012-05-24 | |||
| JP2017020478A | 2017-01-26 | |||
| JP2017089425A | 2017-05-25 | |||
| JP2013100756A | 2013-05-23 | |||
| JP2017053253A | 2017-03-16 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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