Method and apparatus for controlling tank vapors

Details Method and apparatus for controlling tank vapors Method and apparatus for controlling tank vapors

1996-09-04

1997-07-29

Rivell, John

Fluid handling

Systems

With pump

417393, F04B 2302

Patent

active

056513895

ABSTRACT:
A method and apparatus are shown for controlling tank vapors on a petroleum storage tank of the type having a tank vapor line which leads from the storage tank for transporting relatively low pressure gas vapor to a relatively higher pressure gas sales line. An intensifier piston is installed in the tank vapor line between the storage tank and the gas sales line. The intensifier piston is operated to increase the pressure of the gas vapor exiting the petroleum storage tank to a higher relative discharge pressure, whereby the higher pressure discharge gas can be passed directly to the gas sales line.

REFERENCES:
patent: 740892 (1903-10-01), Meyer
patent: 1453561 (1923-05-01), Willshaw
patent: 2239715 (1941-04-01), Hollander et al.
patent: 3329094 (1967-07-01), Harklau et al.
patent: 4123204 (1978-10-01), Scholle
patent: 4658760 (1987-04-01), Zebuhr
patent: 4830583 (1989-05-01), Edson
patent: 5135360 (1992-08-01), Anderson et al.
patent: 5139390 (1992-08-01), Rajewski
patent: 5195587 (1993-03-01), Webb

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