Title:
FUEL-INJECTION VALVE
Document Type and Number:
WIPO Patent Application WO/2018/230082
Kind Code:
A1
Abstract:
A fuel-injection valve provided with a fuel filter (13) in a fuel supply unit into which fuel flows, wherein: the fuel filter (13) is provided with a filtering part (X1) that is disposed along the circumferential direction of the fuel filter (13) and along the central axis line (13x) thereof and that is provided with a net-like member (13c) which captures foreign objects mixed in with fuel flowing from the radially inner side to the radially outer side of the fuel filter (13); and the fuel filter (13) has, on the upstream side from the filtering part (X1), first fuel swirl generation units (13d-1, 13d-2, 13d-4) which generate swirl in the fuel that flows down along the inner circumferential surface of the filtering part (X1).
Inventors:
TAMURA EIJI (JP)
YAMAZAKI AKIHIRO (JP)
SAITO TAKAHIRO (JP)
NAGAOKA MASAKI (JP)
YAMAZAKI AKIHIRO (JP)
SAITO TAKAHIRO (JP)
NAGAOKA MASAKI (JP)
Application Number:
PCT/JP2018/011958
Publication Date:
December 20, 2018
Filing Date:
March 26, 2018
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F02M61/16; B01D29/11; B01D29/90; B01D35/02; F02M55/00
Foreign References:
| JP2013142323A | 2013-07-22 | |||
| JP2017502841A | 2017-01-26 | |||
| US20030052052A1 | 2003-03-20 | |||
| EP2884091A1 | 2015-06-17 | |||
| JPH10122085A | 1998-05-12 |
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
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