Vacuum pump purging apparatus

Details Vacuum pump purging apparatus Vacuum pump purging apparatus

1984-04-30

1985-08-13

Miles, Tim

Liquid purification or separation

Structural installation

Closed circulating system

55185, 417312, B01D 4506

Patent

active

045348618

ABSTRACT:
An apparatus for removing liquid contaminants from the oil sump of a vacuum pump. A liquid separator mounted on the housing of the pump connects the interior of the pump housing to the atmosphere through a liquid trap. An inlet passage through the separator connects a source of purging air to the interior of the pump housing, causing the air therein to flow through the liquid trap to the atmosphere. Because outflowing purged air is cooled by inflowing purging air, oil is selectively retained within the pump housing.

REFERENCES:
patent: 2205336 (1940-06-01), Beach
patent: 2674406 (1954-04-01), Heckendorf
patent: 3312044 (1967-04-01), McCarter
patent: 3389853 (1968-06-01), Dirk
patent: 3483984 (1969-12-01), Wolkenhauer
patent: 3955945 (1976-05-01), Bauer
patent: 4255170 (1981-03-01), Wahl

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