Valves and valve actuation – With material guide or restrictor – Movable or resilient guide or restrictor
Reexamination Certificate
2007-06-26
2007-06-26
Rivell, John (Department: 3753)
Valves and valve actuation
With material guide or restrictor
Movable or resilient guide or restrictor
C251S357000, C251S900000
Reexamination Certificate
active
11067823
ABSTRACT:
A combined valve-regulator apparatus, for safely regulating the flow of combustible gases such as oxygen. A compressible o-ring is used to provide controllable sealed seating of the valve and regulator during operation. A system is provided in the valve-regulator apparatus for venting the o-ring seat elements, to minimize undesirable ballooning or extrusion otherwise resulting from dynamic pressures and changing forces due to rapid gas flows through the regulator.
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Hull Wendell
Newton Barry E.
Baker Rod D.
Rivell John
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