Apparatus and method for controlling heating operation in...

Details Apparatus and method for controlling heating operation in... Apparatus and method for controlling heating operation in...

2006-08-15

2006-08-15

Jones, Melvin (Department: 3744)

Refrigeration

Reversible, i.e., heat pump

C062S151000

Reexamination Certificate

active

07089754

ABSTRACT:
There is provided an air conditioner, and more particularly, an apparatus and method for controlling a heating operation in a heat pump system, in which a continuous heating operation is provided. 1. The apparatus for controlling a heating operation in a heat pump system includes: at least one compressor for compressing a refrigerant into a high-temperature and high-pressure refrigerant vapor; a passage switching unit for switching a refrigerant circulation passage depending on a heating mode or a cooling mode; an indoor heat exchanger for condensing the high-temperature and high-pressure refrigerant vapor for a heating operation or a defrosting/heating operation of the heating mode; an expansion unit through which the condensed refrigerant passes during the defrosting/heating operation; an outdoor heat exchanger for defrosting at least one tube region by using the condensed refrigerant discharged from the expansion unit; and a defrosting control unit for expanding and decompressing the refrigerant that flows between the tube regions, or for bypassing the refrigerant.

REFERENCES:
patent: 6347528 (2002-02-01), Iritani et al.
patent: 6357246 (2002-03-01), Jin
patent: 6745583 (2004-06-01), So et al.
patent: 2004/0134205 (2004-07-01), Park et al.

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