Pressure stabilizer device

Details Pressure stabilizer device Pressure stabilizer device

1977-05-26

1978-08-01

Nilson, Robert G.

Fluid handling

With means for separating solid material from the fluid

1375133, 1375135, 13753327, 220203, B65D 5116, F16K 1508

Patent

active

041037057

ABSTRACT:
A pressure stabilizer device designed to be placed on the vent line of underground gasoline storage tanks in a service station. The pressure stabilizer is designed to allow inbreathing in the event a vacuum develops in the underground storage system or outbreathing in the event the pressure becomes too great. The stabilizer has an open aperture of a predetermined size to allow a given amount of inbreathing or outbreathing. The stabilizer also includes a gravity operated valve arrangement which opens in response to a given high pressure within the underground storage system to increase the aperture size of the stabilizer and allow a pressure release.

REFERENCES:
patent: 1654474 (1927-12-01), Wolter
patent: 1930568 (1933-10-01), Short
patent: 2622613 (1952-12-01), McNeal
patent: 3561472 (1971-02-01), Lamb
patent: 4007759 (1977-02-01), Martin

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