Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator
Reexamination Certificate
2006-04-25
2006-04-25
Keasel, Eric (Department: 3754)
Valves and valve actuation
Fluid actuated or retarded
Piston type expansible chamber reciprocating valve actuator
C251S061100, C251S331000, C251S344000
Reexamination Certificate
active
07032876
ABSTRACT:
A valve for controlling fluid flow. The valve include a support element providing a flow path, at least a portion of the flow path extending along an axis of flow through the valve. A flexible element is compressible against the support element to interrupt the flow path and restrict fluid flow through the valve. An actuating element is movable along the axis of flow to engage and deform the flexible element against the support element.
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Goldrich Steven J.
Moehnke Stephanie J.
Pedersen James N. L.
Entegris, Inc.
Keasel Eric
Patterson Thuente Skaar & Christensen P.A.
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