Method of controlling a rotary compressor

Details Method of controlling a rotary compressor Method of controlling a rotary compressor

1989-07-05

1992-04-28

Bertsch, Richard A.

Pumps

With condition responsive pumped fluid control

Pressure responsive relief or bypass valve

4182012, 418 1, F04C 1816

Patent

active

051082691

ABSTRACT:
Lift valves are used for controlling the capacity of a rotary compressor and to vary the built-in volume in the rotary compressor. When controlling the capacity of the rotary compressor, the built-in volume is adjusted by controlling the opening and closing of the lift valves in relation to one another.

REFERENCES:
patent: 3088658 (1963-05-01), Wagenius
patent: 3088659 (1963-05-01), Nilsson et al.
patent: 3151806 (1964-10-01), Whitfield
patent: 3936239 (1976-02-01), Shaw
patent: 4042310 (1977-08-01), Schibbye et al.
patent: 4498849 (1985-02-01), Schibbye et al.
patent: 4737082 (1988-04-01), Glanvall
patent: 4877380 (1989-10-01), Glanvall
patent: 4878818 (1989-11-01), Shaw
patent: 4932844 (1990-06-01), Glanvall

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