Air conditioner with dehumidifying and heating operation

Details Air conditioner with dehumidifying and heating operation Air conditioner with dehumidifying and heating operation

2005-11-22

2005-11-22

Jiang, Chen Wen (Department: 3744)

Refrigeration

Reversible, i.e., heat pump

C062S324600, C062S244000, C062S160000, C062S093000

Reexamination Certificate

active

06966197

ABSTRACT:
When a dehumidifying and heating operation is set in an air conditioner, refrigerant is circulated from a compressor to the compressor through a first exterior heat exchanger, a decompression device, an interior heat exchanger, an another decompression device, an inner heat exchanger and a second exterior heat exchanger, in this order. Further, by controlling a throttle opening degree of the another decompression device, a refrigerant temperature in the interior heat exchanger can be set higher than that in the second exterior heat exchanger. Thus, even when the interior heat exchanger is controlled to a temperature to be not frosted, heat can be absorbed from outside air in the second exterior heat exchanger. Accordingly, when an outside air temperature is low, by setting the dehumidifying and heating operation, air to be blown into a compartment can be dehumidified while sufficiently increasing heating capacity.

REFERENCES:
patent: 5526650 (1996-06-01), Iritani et al.
patent: 5819551 (1998-10-01), Fukumoto et al.
patent: 52-113546 (1977-09-01), None
patent: 63-87453 (1988-06-01), None
patent: 6-206438 (1994-07-01), None

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