Title:
RECIPROCATING PUMP
Document Type and Number:
Japanese Patent JP2003227472
Kind Code:
A
Abstract:
To prevent the conveyed solution and chemicals from being thermally affected, by preventing the rise of a temperature of a pump valve part in continuous operation of a reciprocating pump.
A suction valve 8 and a discharge valve 9 of this reciprocating pump is composed of electric proportional valves driven to open and close by stepping motors 13, 23.
Inventors:
SAKURAI AKIRA
Application Number:
JP2002028038A
Publication Date:
August 15, 2003
Filing Date:
February 05, 2002
Export Citation:
Assignee:
SAGINOMIYA SEISAKUSHO INC
International Classes:
F04B53/10; F04B13/00; (IPC1-7): F04B53/10; F04B13/00
Attorney, Agent or Firm:
Hideo Takino (3 others)
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