Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator
Reexamination Certificate
2006-02-21
2006-02-21
Bastianelli, John (Department: 3751)
Valves and valve actuation
Fluid actuated or retarded
Piston type expansible chamber reciprocating valve actuator
C251S129150, C251S325000
Reexamination Certificate
active
07000890
ABSTRACT:
A pressure compensated shear seal solenoid valve for use in subsea control systems is disclosed utilizing an arcuate cross section fluid passageway to improve flow rates, ease of serviceability and reduce size.
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patent: 5778918 (1998-07-01), McLelland
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patent: 6484806 (2002-11-01), Childers et al.
Bell Thomas M.
McAdams James P.
Ward Scott D.
Bastianelli John
Bielinski Peter
Conley & Rose, P.C.
Cooper Cameron Corporation
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