Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1981-03-18
1987-06-30
Cohan, Alan
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
137192, 137429, F16K 3120
Patent
active
046762655
ABSTRACT:
A vacuum pump drain device for draining contaminating water from the oil reservoir of a vacuum pump. A valve regulates the flow of water through an outlet port disposed adjacent the water responsive to the level of the oil in the oil reservoir. Preferably, the valve includes a float attached to an outlet port seal by a shaft or the like.
REFERENCES:
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patent: 1732222 (1929-04-01), Cantrall
patent: 1750489 (1930-03-01), Pippin
patent: 1873597 (1932-05-01), Jones
patent: 1908207 (1933-11-01), Wrenn
patent: 2844254 (1958-06-01), Ansley
patent: 3012675 (1961-03-01), Phelps et al.
patent: 3115888 (1963-02-01), Moyer
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