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Patent Searching and Data


Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2019/106755
Kind Code:
A1
Abstract:
This air conditioner has a refrigeration cycle which circulates a refrigerant and in which a compressor, a four-way valve, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger are connected in this order to refrigerant piping. The outdoor heat exchanger is provided with: a plurality of heat conducting fins; heat conducting piping having a plurality of paths; a distributor for branching a refrigerant path into an upper path and a lower path of the heat conductive piping; a first temperature detection means for detecting the temperature of the refrigerant merged via the distributor; a second temperature detection means for detecting the temperature of the refrigerant passing through the lower path; and a control unit which performs a control for ending a defrosting operation when the refrigerant temperature detected by the first temperature detection means reaches a first target temperature and the refrigerant temperature detected by the second temperature detection means reaches a second target temperature during the defrosting operation.

Inventors:
MITSUSHIMA, Kazuaki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2017/042824
Publication Date:
June 06, 2019
Filing Date:
November 29, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F24F11/41; F25B47/02
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (East 8F, TORANOMON TWIN BLDG. 10-1 Toranomon 2-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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