Rotary compressor apparatus

Details Rotary compressor apparatus Rotary compressor apparatus

1986-03-19

1987-11-24

Freeh, William L.

Pumps

With condition responsive pumped fluid control

Inlet throttle or stop valve

417310, F04B 4900

Patent

active

047085991

ABSTRACT:
A rotary compressor unit includes a compressor, a suction valve which holds a suction line of the compressor closed before it is started and which opens the suction line of the compressor after the compressor is started by means of using the negative pressure in the suction line of the compressor, which acts on the suction valve, and a balancing valve which assists the suction valve to open the suction line smoothly and surely.

REFERENCES:
patent: 2661893 (1953-12-01), Le Valley
patent: 3367562 (1968-02-01), Persson et al.
patent: 3448916 (1969-06-01), Fraser
patent: 3602610 (1971-08-01), Bloom
patent: 3860363 (1975-01-01), Silvern
patent: 4035114 (1977-07-01), Sato
patent: 4201517 (1980-05-01), Ferguson
patent: 4406588 (1983-09-01), Hofmann
patent: 4473093 (1984-09-01), Hart
patent: 4529363 (1985-07-01), Suzuki

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