Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1993-10-29
1995-01-17
Hepperle, Stephen M.
Fluid handling
Processes
Cleaning, repairing, or assembling
123463, 137315, 137510, 251 86, F16K 2702, F16K 136
Patent
active
053818164
ABSTRACT:
A fluid pressure regulator of compact construction including an improved diaphragm-valve assembly interposed between a flow body and a second body cap element. The flow body has an inlet and outlet passage and a valve cavity with a centrally disposed ported valve insert to allow the regulated passage of fluid. Mounted to the flow body, the cap element confines a diaphragm of the diaphragm-valve assembly and houses an adjustable coil-spring biased against the assembly. The diaphragm-valve assembly includes a ring-shaped diaphragm element interlocated between a circular element central to the diaphragm and a diaphragm compression limiting clamp plate ring. The circular element has a central recess over the valve insert which houses a spring-backed self-aligning ball valve element having a flat chordal surface adjacent the insert. A convolute in the diaphragm element provides a more consistent effective area in relation to the valve stroke during operation improving pressure regulation and reducing stretching of the diaphragm preventing tearing, rupture or undesirable hysteresis.
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Alsobrooks Daniel E.
Codling Daryl O.
Finkbeiner Steven P.
Hepperle Stephen M.
Orbital Walbro Corporation
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