Plunger pump

Details Plunger pump Plunger pump

2007-09-25

2007-09-25

Kershteyn, Igor (Department: 3745)

Motors: expansible chamber type

Relatively movable working members with one having motive...

With means interconnecting working members to cause relative...

C091S491000, C092S072000, C417S273000

Reexamination Certificate

active

10858476

ABSTRACT:
A plunger pump, includes: a plunger pump unit including a pump chamber and a plunger for pressing a hydraulic fluid in the pump chamber to perform a discharging operation of the hydraulic fluid; a motor; and a cam portion driven by the motor to rotate and press the plunger. The cam portion has at least two discharge regions for pressing the plunger and a suction region formed between the discharge region. The plunger performs the discharging operation two times or more by one rotation of the cam portion.

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patent: 538360 (2002-11-01), None
Office Action issued in Japanese Patent Application No. 2003-157908.
English Language Translation of Oddice Action issued in Japanese Patent Application No. 2003-157908.

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