Fluid machine operable in both pump mode and motor mode and...

Details Fluid machine operable in both pump mode and motor mode and... Fluid machine operable in both pump mode and motor mode and...

2008-07-15

2008-07-15

Kramer, Devon C. (Department: 3746)

Pumps

Motor driven

Including manual, mechanical, or diverse drive

C417S310000, C417S311000, C417S304000

Reexamination Certificate

active

07399167

ABSTRACT:
A check valve is provided to each discharge port, which communicates between a corresponding working chamber and a high pressure chamber in an integrated compressor/expander apparatus. A valve mechanism, which is opened in a motor mode, is provided to communicate between the working chamber and the high pressure chamber.

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Chinese Office Action dated Jul. 29, 2005 with its English translation.
Office Action dated Sep. 28, 2007 in corresponding Japanese Patent application No. 2003-019139 (and English translation).

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