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Title:
HYDRAULIC PULSATION ABSORBER
Document Type and Number:
Japanese Patent JPH08312525
Kind Code:
A
Abstract:

PURPOSE: To provide a hydraulic pulsation absorber simple in structure and capable of reducing cost.

CONSTITUTION: A storage 6 communicated to a hydraulic pressure flow passage 5 is provided in a discharge port block 3 of a hydraulic pump 1, a base plate with a diaphragm 7 installed on it is adhered to an opening end to the outside of this storage 6, working oil 10 flowing in the hydraulic pressure flow passing 5 is introduced to the storage in which the diaphragm 7 is built, and high pressure gas 9 is filled between the diaphragm 7 and the case plate 8. Consequently, a casing of the hydraulic pump can also serve as a housing of an accumulator.


Inventors:
Hirami, Ichiro
Application Number:
JP1995000118649
Publication Date:
November 26, 1996
Filing Date:
May 17, 1995
Export Citation:
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Assignee:
HITACHI CONSTR MACH CO LTD
International Classes:
F04C2/12; F04B11/00; F04B49/08; (IPC1-7): F04B11/00; F04B49/08; F04C2/12
Attorney, Agent or Firm:
武 顕次郎 (外2名)



 
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