Air-conditioner with both cooling and warming functions

Details Air-conditioner with both cooling and warming functions Air-conditioner with both cooling and warming functions

2005-04-26

2005-04-26

Jones, Melvin (Department: 3744)

Refrigeration

Reversible, i.e., heat pump

C062S324600, C062S238600, C165S062000

Reexamination Certificate

active

06883344

ABSTRACT:
The invention relates to a novel structured air-conditioner with both cooling and warming functions, comprising a compressor, an out-door heat exchanger, an in-door heat exchanger and a four-way change-over valve, characterized in that it further comprises a parallel capillary device, a parallel expansion valve device or a combination of parallel capillary and expanding valve connected with the in-door and the out-door heat exchanger respectively. Said parallel capillary device, said parallel expansion valve device or the combination comprises a two-position three-way change-over valve or one-way valve with opposite direction of leading through and two groups of parallel capillary tube, two groups of parallel expanding valve, parallel capillary tube and expanding valve or a combination of two groups of series capillary tube and expansion valve. The invention provides a new generation of air-conditioner with both cooling and warming functions having novel structure, excellent performance, low energy consume and high efficiency.

REFERENCES:
patent: 4506521 (1985-03-01), Asano et al.
patent: 5526650 (1996-06-01), Iritani et al.
patent: 5735135 (1998-04-01), Katsuki et al.
patent: 2113442 (1992-08-01), None
patent: 2268881 (1997-11-01), None
patent: 2278183 (1998-04-01), None
patent: 2306470 (1999-02-01), None
patent: 2425329 (2001-03-01), None

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