Title:
FUEL PUMP UNIT
Document Type and Number:
WIPO Patent Application WO/2017/104376
Kind Code:
A1
Abstract:
A fuel pump unit (9) is provided with: a suction filter (19); and a fuel pump (10) that suctions fuel filtered through the suction filter (90). The fuel pump (10) is provided with: a rotary shaft (13a) placed along a rotational center line (Cig) and driven to rotate; a rotor part (19a) rotated according to the rotary-driving of the rotary shaft (13a); a suction hole part (76) that suctions the fuel into a rotor storage chamber; and an outer circumferential wall (78) provided to surround the suction hole part (76). The suction filter (90) is provided with: a filter element (92) that filters the fuel to capture the fuel in an internal space (92a); and a cylindrical hole part (94) that is formed into a cylindrical hole shape having an inner circumferential wall (94a), and communicatively connects the internal space (92a) and the suction hole part (76) with each other by fitting the outer circumferential wall (78) and the inner circumferential wall (94a) so as to face each other. The cylindrical hole part (94) is arranged in a manner that the rotational center line (Cig) passes through the inside of the inner circumferential wall (94a).
Inventors:
HAYAKAWA TETSUO (JP)
SAKAI HIROMI (JP)
FURUHASHI DAIJI (JP)
SAKAI HIROMI (JP)
FURUHASHI DAIJI (JP)
Application Number:
PCT/JP2016/084871
Publication Date:
June 22, 2017
Filing Date:
November 25, 2016
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F02M37/08; F02M37/10; F02M37/44; F02M37/50
Foreign References:
| JPS57184250U | 1982-11-22 | |||
| US6423221B1 | 2002-07-23 | |||
| JP2014152726A | 2014-08-25 | |||
| JP2005315243A | 2005-11-10 | |||
| JP2008082184A | 2008-04-10 | |||
| JP2005127249A | 2005-05-19 | |||
| JP2015155700A | 2015-08-27 | |||
| JPH07208291A | 1995-08-08 | |||
| JPS56169470U | 1981-12-15 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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