Compressor

Details Compressor Compressor

2007-02-20

2007-02-20

Jiang, Chen Wen (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C062S510000, C418S196000, C418S197000, C418S201100

Reexamination Certificate

active

10821097

ABSTRACT:
A compressor has at least three-rotors. A first compression path between first inlet and outlet ports is associated with interaction of the first and second rotors. A second compression path between second inlet and outlet ports is associated with interaction of the first and third rotors. At least partial independence of the ports permits the first and second inlet ports to be at a different pressure or the first and second outlet ports to be at a different pressure. Fully or partially separate circuits in a refrigeration or air conditioning system may be associated with the first and second compression paths.

REFERENCES:
patent: 2481527 (1949-09-01), Nilsson
patent: 5911743 (1999-06-01), Shaw
patent: 6217304 (2001-04-01), Shaw
patent: 6976833 (2005-12-01), Daniels et al.

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