Flat plate back pressure regulator

Details Flat plate back pressure regulator Flat plate back pressure regulator

1991-05-22

1992-03-10

Cohan, Alan

Valves and valve actuation

Fluid actuated or retarded

Flexible wall expansible chamber reciprocating valve actuator

251331, F16K 31126

Patent

active

050944274

ABSTRACT:
A pressure regulator has a diaphragm mounted upon a base to form a flow chamber between the diaphragm and the base. A dome pressure casing is mounted upon the base to form a cavity between the casing and the diaphragm. One piece of tubing is connected either to the base or to the casing and passes sequentially through the base or casing, through the cavity, and through the diaphgram to the flow chamber for inlet fluid injection through the flow chamber. Another piece of tubing is connected either to the base or to the casing and passes sequentially from the flow chamber, through the diaphragm, through the cavity, and through the base or casing for fluid discharge. A pressure port within the dome pressure casing permits the supply of pressure to the diaphragm to restrict the fluid flow through the flow chamber.

REFERENCES:
patent: 4607013 (1987-03-01), Giachino
patent: 4703913 (1987-11-01), Hunkapiller
patent: 4846215 (1989-06-01), Barree
patent: 4852851 (1989-08-01), Webster
patent: 4858883 (1989-08-01), Webster

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