Rotary compressor with valved liquid injection through the rotor

Details Rotary compressor with valved liquid injection through the rotor Rotary compressor with valved liquid injection through the rotor

1978-10-12

1980-12-16

Vrablik, John J.

Rotary expansible chamber devices

Grooved abutting cylinder-rotating member end surfaces

Non-working fluid directed to groove

418 82, 418 91, 418 94, 418 99, 418184, F04C 2902, F04C 2908

Patent

active

042394678

ABSTRACT:
In a rotary compressor of the sliding vane type, the vanes maintain sliding contact with the inner wall of the housing while moving periodically inward and outward in generally radial slots in the cylindrical rotor, which is provided with conduits for injecting oil or other liquid into the working chambers formed by the rotor, the vanes and the housing's inner wall. The housing has inlet ports for a gas to be compressed in the working chambers and has outlet ports for the compressed gas. Valves are provided to open and close said rotor conduits in synchronism with said periodic moving of the vanes, whereby the liquid is injected into the working chambers only during such periods when these chambers are closed to the gas inlet and outlet ports.

REFERENCES:
patent: 1781073 (1930-11-01), Nielsen
patent: 2877946 (1959-03-01), Garrison et al.
patent: 3900277 (1975-08-01), Newton

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