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Patent Searching and Data


Title:
AXIAL PLUNGER PUMP
Document Type and Number:
Japanese Patent JP3882457
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To reduce abrasion of a slipper part without using a operating fluid from a compression chamber as a fluid for lubricating a slipper sliding part.
SOLUTION: A narrow hole for communicating a swash plate side and a plunger side with each other is disposed on a center part of the slipper, dynamic pressure generated between a flat surface of the swash plate and the sliding surface of the slipper is acted on a part where the slipper and the plunger are brought into sliding-contact with each other, and thereby, an oil film is effectively formed between the slipper and the plunger.


Inventors:
Hideki Machimura
Yukio Takahashi
Minoru Hashida
Yoshinobu Ono
Application Number:
JP2000090693A
Publication Date:
February 14, 2007
Filing Date:
March 27, 2000
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
F04B1/14; F04B53/18; F04B53/00; (IPC1-7): F04B53/18; F04B1/14; F04B53/00
Domestic Patent References:
JP59162377A
JP59068576A
JP47024601A
JP7103135A
JP11324859A
JP11201016A
JP11050951A
JP51044962Y1
JP63150475A
JP1253571A
Attorney, Agent or Firm:
Manabu Inoue