Title:
燃料フィルタ装置
Document Type and Number:
Japanese Patent JP5370091
Kind Code:
B2
Abstract:
To provide a fuel filter device capable of preventing excessive increase in pressure inside a housing.
A first check valve 70 provided to a fuel introduction passage 126 consisting of a passage in an introduction pipe 30 and a passage in an introduction passage part 121, is equipped with a relief valve element 91 functioning as a relief valve. When pressure in a downstream part 126b from the first check valve 70 is higher than that in an upstream part 126a from the first check valve 70 by a predetermined value or more, the relief valve element 91 lifts to open so that fuel in the downstream part 126b from the first check valve 70 is refluxed to the upstream part 126a from the first check valve 70.
COPYRIGHT: (C)2011,JPO&INPIT
Inventors:
Tasaki Mamoru
Takafumi Kato
Mitsunori Yanagi
Takafumi Kato
Mitsunori Yanagi
Application Number:
JP2009259134A
Publication Date:
December 18, 2013
Filing Date:
November 12, 2009
Export Citation:
Assignee:
Kyosan Electric Co., Ltd.
International Classes:
F02M37/00; B01D35/02; B01D35/14; F02M37/22; F02M69/00
Domestic Patent References:
| JP11241659A | ||||
| JP2006105038A | ||||
| JP53750U | ||||
| JP493708U | ||||
| JP8121282A | ||||
| JP2002155823A |
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo