Pump and method for drawing vapor from a storage tank without fo

Details Pump and method for drawing vapor from a storage tank without fo Pump and method for drawing vapor from a storage tank without fo

1991-02-04

1992-08-18

Smith, Leonard E.

Pumps

Processes

417398, 417478, 137589, F04B 4500

Patent

active

051393905

ABSTRACT:
A vapor transfer pump for a storage tank includes a bladder and a continuously reciprocating plate disposed about the bladder. Vapor from the storage tank enters the bladder through a one way check valve set at a low pressure, and is forced out, by the continuously reciprocating plate, through a second one way check valve set at a higher pressure.

REFERENCES:
patent: 334571 (1886-01-01), De Logerot
patent: 665992 (1901-01-01), Burgess
patent: 2855144 (1958-10-01), Andreasen
patent: 2912791 (1959-11-01), Cohen
patent: 3014231 (1961-12-01), Ziegler
patent: 3349716 (1967-10-01), Weber
patent: 4087228 (1978-05-01), Datis
patent: 4187845 (1980-02-01), Dror

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