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Document Type and Number:
Japanese Patent JP4865326
Kind Code:

To provide an air conditioner capable of suppressing occurrence of so-called liquid sealing at pump-down operation time even when amount of refrigerant of the whole system and capacity of an outdoor heat exchanger are set to be substantially equal.

This air conditioner provided with an outdoor unit 100 having an accumulator 1, a compressor 3, a four way valve 5, and the outdoor heat exchanger 7, an indoor unit 100 having an indoor heat exchanger 15, and pump-down operation mode, is provided with a control means 100A for inverting the four way valve 5 after performing pump-down operation.


Takeshi Watanabe
Application Number:
Publication Date:
February 01, 2012
Filing Date:
December 27, 2005
Export Citation:
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Toshiba Carrier Co., Ltd.
Sanyo Electric Co., Ltd.
International Classes:
F25B1/00; F24F11/02; F25B41/04
Domestic Patent References:
Attorney, Agent or Firm:
Patent Business Corporation Kushibuchi International Patent Office
Masayuki Kushibuchi
Kushibuchi Kazue

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