Rotary expansible chamber devices – With mechanical sealing – Seal element between working member and cylinder
Patent
1981-04-21
1983-08-09
Vrablik, John J.
Rotary expansible chamber devices
With mechanical sealing
Seal element between working member and cylinder
418259, F04C 1800, F04C 2700
Patent
active
043976204
ABSTRACT:
A rotary compressor including two rotary disc-shaped members having a diameter slightly smaller than that of a rotor each disposed on opposite ends of the rotor and supported on the same rotary shaft as the rotor for rotation, and two disc-shaped recesses each formed on one of inner opposite end surfaces of a housing for receiving therein one of the plurality of rotary disc-shaped members. A small gap is formed between the inner end surfaces of the housing and the end surfaces of the rotor, and small gaps are formed between surfaces of the rotary disc-shaped members and surfaces of the disc-shaped recesses. The area through which a fluid leaks from the high pressure side to the low pressure side in the housing is minimized, and resistance is offered by the tortuous path to the flow of the fluid toward the rotary shaft, to thereby minimize the leakage of fluid during operation of the compressor.
REFERENCES:
patent: 600677 (1898-03-01), Moore et al.
patent: 992929 (1911-05-01), Winans et al.
patent: 1715629 (1929-06-01), Shore
patent: 2314056 (1943-03-01), Sobek
patent: 2400286 (1946-05-01), Buckbee
Inagaki Mitsuo
Sasaya Hideaki
Nippon Soken Inc.
Vrablik John J.
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