Title:
FUEL PUMP
Document Type and Number:
Japanese Patent JP3949448
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a fuel pump capable of most efficiently using pump efficiency without shortening a working life.
SOLUTION: A large clearance anticipating abrasion loss is secured in the area where the pressure within a channel groove is low. A small clearance is set in the area where the pressure within the channel groove is high, since abrasion loss is not necessary to be anticipated.
Inventors:
Takayuki Usui
Kenzo Nagasaka
Koichi Iwata
Kenzo Nagasaka
Koichi Iwata
Application Number:
JP2001394754A
Publication Date:
July 25, 2007
Filing Date:
December 26, 2001
Export Citation:
Assignee:
Aisan Industry Co., Ltd.
International Classes:
F04D5/00; F04D7/02; F04D29/22; F04D29/44; (IPC1-7): F04D5/00; F04D7/02; F04D29/22; F04D29/44
Domestic Patent References:
| JP57179361A | ||||
| JP10089292A | ||||
| JP3145595A | ||||
| JP3843961B2 |
Attorney, Agent or Firm:
Kaiyu International Patent Office
Hideo Kodama
Hiroaki Murase
Hideo Kodama
Hiroaki Murase