Reduced icing valves and gas-driven motor and reciprocating...

Details Reduced icing valves and gas-driven motor and reciprocating... Reduced icing valves and gas-driven motor and reciprocating...

2008-05-06

2008-05-06

Kramer, Devon C. (Department: 3746)

Pumps

Motor driven

Fluid motor

C417S387000, C417S395000, C137S625660

Reexamination Certificate

active

10804700

ABSTRACT:
A valve for a gas-driven motor and a valve assembly and reciprocating pump incorporating the valve are provided. The valve includes a shiftable valve for alternatively supplying a motive gas through first and second supply ports to opposed first and second power pistons in opposed motive gas chambers, respectively, and for effecting alternating exhaust of said chambers. The shiftable valve has a front face with a valve projection located thereon and a rear face with a valve projection located thereon.

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