Fluid handling – Diverse fluid containing pressure systems – Gas pressure storage over or displacement of liquid
Patent
1974-08-22
1977-05-10
Schwadron, Martin P.
Fluid handling
Diverse fluid containing pressure systems
Gas pressure storage over or displacement of liquid
13724622, 137253, F16K 336
Patent
active
040222403
ABSTRACT:
A sealant system for slide valves used in analysis apparatus and the like in which the slide valves are formed with a channel between the ports in the valve block and the outside thereof, with a sealant liquid supplied under a slight pressure to the channel to seal and lubricate the valve and prevent sticking even after long periods of idleness. The apparatus used to pressurize the sealant liquid is at the same time used to generate a flow of water through a heat exchanger used in the kinetic analysis apparatus.
REFERENCES:
patent: 2918938 (1959-12-01), Kimball
patent: 3004552 (1961-10-01), Shafer
patent: 3442285 (1969-05-01), Faustini
patent: 3909205 (1975-09-01), Jones
Atwood John G.
Ducret Lucian C.
Marshall, Jr. Hamilton W.
Gerard Richard
Giarratana S. A.
Masselle F. L.
Schwadron Martin P.
The Perkin-Elmer Corporation
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