Oil lubricated vacuum pump including an oil separator disposed a

Details Oil lubricated vacuum pump including an oil separator disposed a Oil lubricated vacuum pump including an oil separator disposed a

1980-01-31

1982-11-23

Vrablik, John J.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

Non-working and working fluids intermix in working chamber

418DIG1, 137854, 55420, 55439, F04C 2702, F04C 2902

Patent

active

043603262

ABSTRACT:
An oil separator in combination with an oil lubricated vacuum pump. The separator includes a hollow housing having one end disposed adjacent the suction opening of the pump and the other end adapted for attachment to a vacuum line. A valve seat comprises an internal surface of the housing, and a resilient elastic sealing element having a relatively low mass is positioned under tension on the valve seat between the seat and the suction opening. The sealing element permits a stream of air from the vacuum line to enter the suction opening of the pump while preventing oil from the pump from passing into the vacuum line.

REFERENCES:
patent: 1491993 (1924-04-01), McCuen
patent: 3160487 (1964-12-01), Risse et al.
patent: 3968897 (1976-07-01), Rodgers
patent: 4164384 (1979-08-01), Hertell

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