Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1980-09-04
1982-07-27
Spitzer, Robert H.
Gas separation
Means within gas stream for conducting concentrate to collector
55 48, B01D 1900
Patent
active
043415342
ABSTRACT:
A method and apparatus are disclosed for degassing the pressure fluid of a hydraulic system, in which a vacuum is maintained in the free space above the pressure fluid in the fluid reservoir of the hydraulic system by a vacuum pump. The vacuum pump has a selective pumping action, by virtue of which permanent gases present in the free space are withdrawn but vapors of the pressure fluid present in the free space are not withdrawn. Pressure fluid entering the reservoir from the hydraulic system is passed over a degassing surface to promote separation of the permanent gases in the pressure fluid from the fluid. A compensating line is provided between the vacuum pump and the reservoir for returning to the reservoir the nominal amounts of pressure fluid withdrawn from the reservoir by the pump. Valves provided in all fluid lines leading to and from the reservoir maintain the vacuum in the reservoir during system shut-downs.
REFERENCES:
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patent: 2151644 (1939-03-01), Stephens
patent: 2203388 (1940-06-01), Kantor
patent: 2797767 (1957-07-01), Brooke et al.
patent: 3517487 (1970-06-01), Burnham, Sr.
patent: 3778969 (1973-12-01), Sudduth
patent: 3789579 (1974-02-01), El-Hindi
patent: 4010012 (1977-03-01), Griffin et al.
Blume, "Luft im Hydrauliksystem", Magazine Olhydraulik und Pneumatik 16 (1972) No. 9, pp. 389-392.
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