Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent
1993-10-26
1995-01-17
Hepperle, Stephen M.
Fluid handling
With heating or cooling of the system
Circulating fluid in heat exchange relationship
1374848, 13750541, G05D 1602
Patent
active
053818199
ABSTRACT:
The valving element is positively tied to the diaphragm, through a diaphragm-carried insert which has a flow-accommodating groove formed therein to facilitate instant outlet pressure following a gas supply shut off. Too, the valving element cooperates with internal structures to define spaced apart seating and sealing areas which boundary between high and low pressures of the natural gas, and the magnitudes and directions of the differential pressures are balanced at the seating and sealing areas, and maintained in balance regardless of how inlet and outlet gas pressures vary.
REFERENCES:
patent: 2599577 (1952-06-01), Norgren
patent: 2661578 (1953-12-01), Niesemann
patent: 2755633 (1956-07-01), McClain
patent: 3184295 (1965-05-01), Bauerstock
patent: 5285810 (1994-02-01), Gotthelf
Hepperle Stephen M.
ITT Corporation
Lombardi Menotti J.
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