Apparatus for use with pneumatic device

Details Apparatus for use with pneumatic device Apparatus for use with pneumatic device

2007-04-24

2007-04-24

Lopez, F. Daniel (Department: 3745)

Power plants

Pressure fluid source and motor

Pneumatic motor with gas supply or removal device

Reexamination Certificate

active

11200310

ABSTRACT:
A control valve assembly has a first chamber with a first port, a second chamber with a second port, and a first valve that is operative to open between the first and second chambers in response to elevated pneumatic pressure in the first chamber. A second valve is operative to open between the second chamber and a primary exit port to vent the second chamber in response to elevated pneumatic pressure in the second chamber. A third valve is operative to open between the first chamber and a bypass exit port to vent the first chamber in response to elevated pneumatic pressure in the first chamber.

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