Reversible multi-vane rotary compressor

Details Reversible multi-vane rotary compressor Reversible multi-vane rotary compressor

1984-12-18

1986-01-28

Vrablik, John J.

Rotary expansible chamber devices

With plural working fluid inlet or outlet passages

418259, 623246, F04C 2500, F04C 2908, F25B 1300

Patent

active

045668698

ABSTRACT:
A fluid pressure responsive member is shifted in accordance with the pressure differential between two lines either one of which can be a suction line with the other line being a discharge line of a reversible compressor. The fluid pressure responsive member has a pair of arcuate recesses formed therein which serve as secondary suction ports which provide fluid communication to the elliptical chamber from suction lines in accordance with the position of the fluid pressure responsive member. Because the porting is responsive to the pressure differential between the two lines, the changeover of the porting is automatic upon the reversal of the operation of the compressor.

REFERENCES:
patent: 2844945 (1958-07-01), Muffly
patent: 4445344 (1984-05-01), Ladusaw

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