Title:
PLUNGER PUMP
Document Type and Number:
Japanese Patent JP2008223650
Kind Code:
A
Abstract:
To provide a plunger pump with reduced man-hours in assembling.
In this plunger pump which sucks and delivers a hydraulic fluid by selectively opening/closing a suction valve and a delivery valve by the reciprocating motion of a plunger, a guide member and a backup member are attached to the periphery of the plunger with a predetermined fastening allowance.
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Inventors:
TERAJIMA KAZUYA
NAKAZAWA CHIHARU
NAKAZAWA CHIHARU
Application Number:
JP2007064448A
Publication Date:
September 25, 2008
Filing Date:
March 14, 2007
Export Citation:
Assignee:
HITACHI LTD
International Classes:
F04B53/14
Attorney, Agent or Firm:
Masamichi Ayata