Capacity control for rotary compressor

Details Capacity control for rotary compressor Capacity control for rotary compressor

1983-06-30

1984-09-18

Koczo, Michael

Rotary expansible chamber devices

With changeable working chamber magnitude

By adjustably limiting vane or abutment movement

418 24, 418 94, F04C 1800

Patent

active

044721196

ABSTRACT:
A capacity control arrangement for a rotary vane fluid displacement apparatus, such as a rotary vane compressor, having a vane retaining means that may be moved to engage and retain the vanes in their retracted or nonworking position within the rotor defined guide slits. The retaining means are actuated to the vane-engaged position by hydraulic control fluid which is communicated to the retaining means in response to an external parameter sensed by a control means.

REFERENCES:
patent: 1603437 (1926-10-01), Wingquist
patent: 2175413 (1939-10-01), Sharar
patent: 2696790 (1954-12-01), Crow
patent: 3137235 (1964-06-01), Brown
patent: 3153384 (1964-10-01), Castel et al.
patent: 3180271 (1965-04-01), Hartmann
patent: 3721510 (1973-03-01), Gilbert
patent: 3904327 (1975-09-01), Edwards et al.
patent: 4050263 (1977-09-01), Adalbert et al.
patent: 4132512 (1979-01-01), Roberts

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