Gas separation/extraction apparatus for separating and extractin

Details Gas separation/extraction apparatus for separating and extractin Gas separation/extraction apparatus for separating and extractin

1989-04-20

1990-02-13

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55189, 55387, B01D 5304

Patent

active

049003380

ABSTRACT:
A gas separation/extraction apparatus comprises a tank for separating and extracting a specific gas element from a gas mixture, the tank containing an adsorbent for adsorbing the gas element from the gas mixture, a pump having a cylinder and a piston housed therein, the pump being adapted to alternately pressurize and decompress the inside of the tank as the piston reciprocates, a first three-way solenoid valve connected between an exhaust port of the tank and a suction port of the pump, a second three-way solenoid valve connected between a discharge port of the pump and the suction port of the tank, and a pressure balance unit connected between the second three-way solenoid valve and a suction port of the tank, and adapted gradually to eliminate a difference in pressure between the tank and the pump as the tank is switched from a decompressed state to a pressurized state.

REFERENCES:
patent: 3182435 (1965-05-01), Axt
patent: 3236028 (1966-02-01), Rutan
patent: 3486303 (1969-12-01), Glass et al.
patent: 4169715 (1979-10-01), Eriksson
patent: 4331457 (1982-05-01), Morner
patent: 4534346 (1985-08-01), Schlaechter
patent: 4561865 (1985-12-01), McCombs et al.
patent: 4764189 (1988-08-01), Yanagawa et al.
patent: 4806134 (1989-02-01), Lhota

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