Variable capacity radial-4 compressor

Details Variable capacity radial-4 compressor Variable capacity radial-4 compressor

1976-10-01

1977-12-27

Freeh, William L.

Pumps

Three or more cylinders arranged in parallel, radial, or...

Condition responsive fluid control

F04B 110, F04B 4900

Patent

active

040652297

ABSTRACT:
A compact variable capacity radial refrigerant compressor suitable for use in automotive refrigeration systems includes cast cylinder housing having cross bores and intake and discharge chambers formed therein which communicate with a central suction cavity. One end of the compressor housing has a modulator port surface coaxial with the unit axis while each cylinder side wall has port means therethrough for conveying gas from the cylinder compression chamber to the suction cavity with the port means having their exits located in the modulator surface. A variable capacity modulator plate is movably mounted in the recess for selectively opening and closing the port means by the rotary adjustment of the ring relative to the port means, thereby regulating suction bypass through the port means to selectively control the compressor capacity to match demand to maximize pumping efficiency and minimize horsepower requirements.

REFERENCES:
patent: 2545774 (1951-03-01), Griswold
patent: 3050004 (1962-08-01), Heintzmann
patent: 3151569 (1964-10-01), Muller
patent: 3200761 (1965-08-01), Firth et al.
patent: 3202106 (1965-08-01), Firth et al.
patent: 3418937 (1968-12-01), Cardillo
patent: 3434428 (1969-03-01), Liles
patent: 3924968 (1975-12-01), Gaines

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