System and method for regulating pressure in a container

Details System and method for regulating pressure in a container System and method for regulating pressure in a container

1987-05-04

1989-01-17

Freeh, William L.

Pumps

With condition responsive pumped fluid control

Inlet throttle or stop valve

137110, 1374875, F04B 4906, F16K 3112

Patent

active

047985216

ABSTRACT:
A system for regulating pressure in a container. The system includes a membrane pressure regulator with a reference pressure chamber containing a reference pressure, and a vacuum pump connected to the container via the membrane pressure regulator. The system further includes a gas inlet valve connected to the reference pressure chamber for increasing the reference pressure; a gas outlet valve connected to the reference pressure chamber for decreasing the reference pressure; and a regulator connected to the gas inlet valve and the gas outlet valve for actuating the valves. The regulator includes a device for generating a desired pressure value for the container and a measuring member connected for providing an indication of the pressure in at least one of the reference pressure chamber and the container.

REFERENCES:
patent: 3516429 (1970-06-01), Sandstode et al.
patent: 3690115 (1972-09-01), Clayton
patent: 4089007 (1978-05-01), Perry
patent: 4253480 (1981-03-01), Kessel
patent: 4431020 (1984-02-01), Kowalski
patent: 4679583 (1987-07-01), Lucas
patent: 4687014 (1987-08-01), Gobal
patent: 4690163 (1987-09-01), Steinemann
"Information New Products", MR16 Diaphragm Pressure Regulator, Leybold-Heraeus GMBH, Supplement to Catalogue HV 250, Section 9, New Edition, Aug. 1982.

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