Air-cooled oil-free screw compressor

Details Air-cooled oil-free screw compressor Air-cooled oil-free screw compressor

1992-07-02

1993-11-23

Vrablik, John J.

Rotary expansible chamber devices

Multistage

Interengaging rotary members

418 83, 418 85, 418 87, 418 88, 418 89, F04C 2300, F04C 2902, F04C 2904

Patent

active

052638324

ABSTRACT:
An air-cooled oil-free screw compressor is provided with a first lubricating oil circulating flowpassage 1 which extends from an oil tank 20 via an oil pump 21 and an air heat exchanger 22 to cooling jackets 15 and 16 for cooling compressor bodies 12 and 13. A second such passage is connected between the cooling jackets and the oil tank and includes an oil filter 23, lubricating oil.

REFERENCES:
patent: 1509917 (1924-09-01), Westinghouse
patent: 2152056 (1939-03-01), Kenney et al.
patent: 2810541 (1957-10-01), Thomas
patent: 2961151 (1960-11-01), Fobian
patent: 3659675 (1972-05-01), Edelstein et al.
patent: 3669579 (1972-06-01), Carter
patent: 3832980 (1974-09-01), Fujikawa et al.
patent: 3947159 (1976-03-01), Mylenek
patent: 4526523 (1985-07-01), Parker
patent: 4725210 (1988-02-01), Suzuki et al.
patent: 4983106 (1991-01-01), Wright et al.

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