Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1980-02-14
1981-11-10
Lacey, David L.
Gas separation
Means within gas stream for conducting concentrate to collector
55273, 55284, 55302, 13762411, 13762511, B01D 4604, F16K 3145
Patent
active
042995973
ABSTRACT:
A method and apparatus for the cyclical counter-scavenging of filter hoses, particularly the control thereof, is disclosed. According to the present invention, the counter-scavenging of filter hoses is accomplished by gas blasts whose timing and duration are controlled by a fluid control apparatus. The fluid control apparatus consists of a drum distributor having an arm whose position controls the timing of the counter-scavenging blasts, and a valve whose activation controls the duration of the counter-scavenging blasts. The drum distributor and the valve are independently controllable by an electronic circuit including timing signals and control circuitry receiving the timing signals and converting these signals into activating signals for the drum distributor and the valve.
REFERENCES:
patent: 2995143 (1961-08-01), Strathearn et al.
patent: 3390512 (1968-07-01), Hanes
patent: 3394532 (1968-07-01), Oetiker
patent: 3788593 (1974-01-01), Cohen
patent: 3838555 (1974-10-01), Kubiak
patent: 3931832 (1976-01-01), Hodler et al.
patent: 3948623 (1976-04-01), Ostby et al.
Gamperle Hermann
Kummer Emanuel
Oetiker Hans
Rusterholz Kurt
Gebruder Buhler AG
Lacey David L.
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