Title:
HIGH-PRESSURE PUMP
Document Type and Number:
WIPO Patent Application WO/2001/079687
Kind Code:
A1
Abstract:
A high-pressure pump capable of preventing a deformation from occurring on a seal surface and a cylinder shape thereof, comprising an intermediate member including a cylinder body (4) having a pressuring chamber (14) communicating with a cylinder (4a) for storing a plunger (12), wherein fluid in the pressuring chamber is pressurized by the reciprocating motion of the plunger, the intermediate member is disposed between a cover (6) and a flange (8) and tightened with tightening bolts (40), and an electromagnetic spill valve (10) receiving a reaction from the pressuring chamber when the fluid in the pressuring chamber is pressurized is installed on the cover (6) at a position where the tightening of the intermediate member with the tightening bolts is relieved.
Inventors:
ASAYAMA KAZUHIRO (JP)
YOKOYAMA HIROKAZU (JP)
ISHIDA SHINOBU (JP)
INOUE HIROSHI (JP)
YOKOYAMA HIROKAZU (JP)
ISHIDA SHINOBU (JP)
INOUE HIROSHI (JP)
Application Number:
PCT/JP2001/003260
Publication Date:
October 25, 2001
Filing Date:
April 17, 2001
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
DENSO CORP (JP)
ASAYAMA KAZUHIRO (JP)
YOKOYAMA HIROKAZU (JP)
ISHIDA SHINOBU (JP)
INOUE HIROSHI (JP)
DENSO CORP (JP)
ASAYAMA KAZUHIRO (JP)
YOKOYAMA HIROKAZU (JP)
ISHIDA SHINOBU (JP)
INOUE HIROSHI (JP)
International Classes:
F02M39/00; F02M59/34; F02M59/44; F02M59/48; F02M63/02; F04B1/00; F04B1/34; F04B53/00; (IPC1-7): F02M59/44
Foreign References:
JPS57181967A | 1982-11-09 | |||
JPS5399131A | 1978-08-30 | |||
JPS51132321A | 1976-11-17 |
Other References:
See also references of EP 1277950A4
Attorney, Agent or Firm:
Onda, Hironori (Ohmiya-cho 2-chome Gifu-shi, Gifu, JP)
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