Variable-delivery vane-type rotary compressor

Details Variable-delivery vane-type rotary compressor Variable-delivery vane-type rotary compressor

1987-09-21

1991-07-09

Smith, Leonard E.

Pumps

With condition responsive pumped fluid control

Inlet throttle or stop valve

417310, F04C 18344, F04C 2908

Patent

active

050300660

ABSTRACT:
A variable-delivery vane-type rotary compressor includes passage means for defining a by-pass passage establishing communication between an aspirator chamber and a compression chamber, the by-pass passage having end openings exposed to the aspirator chamber and the compression chamber; and control means for mechanically controlling the amount of fluid by-passed from the compression chamber to the aspirator chamber through the passage means in accordance with pressure in the aspirator chamber and a discharge chamber.

REFERENCES:
patent: 2899903 (1959-08-01), Ryder
patent: 3451614 (1969-06-01), Tosh
patent: 3515496 (1970-06-01), Eddy
patent: 3799707 (1974-03-01), Newton
patent: 4060343 (1977-11-01), Newton
patent: 4137018 (1979-01-01), Brucken
patent: 4557670 (1985-12-01), Inagaki
patent: 4726740 (1988-02-01), Suzuki
patent: 4744732 (1988-05-01), Nakajima
patent: 4778352 (1988-10-01), Nakajima

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