Fluid handling – With leakage or drip collecting
Patent
1992-04-23
1993-06-15
Hepperle, Stephen M.
Fluid handling
With leakage or drip collecting
13750514, 13750542, G05D 1607
Patent
active
052189910
ABSTRACT:
A method and apparatus for a pressure regulator to control the flow of gases through the regulator and control the escape of gases from the regulator base to the regulator bonnet. The pressure regulator contains a flexible rubber diaphragm contacting a flexible diaphragm plate. The flexible diaphragm plate flexes upward or downward in response to changes in the control pressure and engages a pintle valve that controls the entry of gases to the pressure regulator. A system of chambers and passages controls the escape of gases by funneling escaped gases from a catch chamber to an exhaust port.
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patent: 4693267 (1987-09-01), Patterson
patent: 4719940 (1988-01-01), Beavers
patent: 4828218 (1989-05-01), Medlock
patent: 5072749 (1991-12-01), Ligh
Hepperle Stephen M.
Meier Harold E.
Span Instruments, Inc.
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