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Patent Searching and Data


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)
Application Number:
PCT/JP2001/003260
Publication Date:
October 25, 2001
Filing Date:
April 17, 2001
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (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:
JPS57181967A1982-11-09
JPS5399131A1978-08-30
JPS51132321A1976-11-17
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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