High ratio recirculating gas compressor

Details High ratio recirculating gas compressor High ratio recirculating gas compressor

1987-11-16

1989-08-22

Vrablik, John J.

Rotary expansible chamber devices

Multistage

Interengaging rotary members

418 15, 418 83, 418180, 418206, 417243, F04C 1818, F04C 2300, F04C 2904

Patent

active

048591580

ABSTRACT:
A high ratio positive displacement recirculating rotary compressor is disclosed. The compressor includes an integral heat exchanger and recirculation conduits for returning cooled, high pressure discharge gas to the compressor housing to reducing heating of the compressor and enable higher pressure ratios to be sustained. The compressor features a recirculation system which results in continuous and uninterrupted flow of recirculation gas to the compressor with no direct leakage to either the discharge port or the intake port of the compressor, resulting in a capability of higher sustained pressure ratios without overheating of the compressor.

REFERENCES:
patent: 2489887 (1949-11-01), Houghton
patent: 2906448 (1959-09-01), Lorenz
patent: 3531227 (1970-09-01), Weatherston
patent: 4390331 (1983-06-01), Nachtrieb
patent: 4453901 (1984-06-01), Zimmerly
Roots DVJ Dry Vacuum Whispair Blowers, Dresser Industries Inc., Connersville, Indiana, Apr. 1982.
Vacuum Generation by Means of Roots Vacuum Pumps, Balzers Co., Hudson, N.H., May 1985.

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