High pressure pump having plunger

Details High pressure pump having plunger High pressure pump having plunger

2009-11-09

2011-11-08

Rodriguez, William (Department: 3741)

Pumps

Expansible chamber type

Electrically or magnetically actuated distributor

C417S542000, C123S447000

Reexamination Certificate

active

08052405

ABSTRACT:
A high pressure pump draws fluid from a fluid inlet into a compression chamber through an inlet chamber. The high pressure pump has a fluid chamber that communicates with the fluid inlet via the inlet chamber. The high pressure pump includes a plunger and a cylinder. The plunger draws fluid from the inlet chamber into the compression chamber when the plunger moves in a drawing direction. The plunger is capable of pressurizing fluid in the compression chamber when the plunger moves in a pressurizing direction. The cylinder movably supports the plunger therein. When the plunger moves in the drawing direction, fluid in the inlet chamber is drawn into the compression chamber, so that fluid flows from the fluid chamber into the inlet chamber.

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Japanese Office Action mailed Jun. 11, 2008 issued in corresponding Japanese Appln. No. 2005-011503 with English translation.
Examination Report (with English translation) for corresponding case CN 200610006306.3, Sep. 14, 2007.

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