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Patent Searching and Data


Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2018/216252
Kind Code:
A1
Abstract:
Provided is an air conditioner capable of appropriately cleaning an indoor heat exchanger. The air conditioner (100) comprises: a cooling circuit (Q) that circulates a refrigerant in a cooling cycle through, in order, a compressor (31), a condenser, an outdoor expansion valve (34), and an evaporator; and a control unit that controls at least the compressor (31) and the outdoor expansion valve (34). Either the condenser or the evaporator is an outdoor heat exchanger (32) and the other is at least part of an indoor heat exchanger (12). The control unit sequentially performs freezing of the indoor heat exchanger (12); thawing of the upper section of the indoor heat exchanger (12); and thawing of the lower section of the indoor heat exchanger (12).

Inventors:
TANAKA Yukinori (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
UEDA Yoshiro (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
YOSHIDA Kazumasa (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
AWANO Masakazu (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
Application Number:
JP2017/045205
Publication Date:
November 29, 2018
Filing Date:
December 15, 2017
Export Citation:
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Assignee:
HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC. (16-1, Kaigan 1-chome Minato-k, Tokyo 22, 〒1050022, JP)
International Classes:
F24F1/00; F24F11/62; F24F11/84; F24F11/86; F25B29/00; F24F120/00
Foreign References:
JP2010014288A2010-01-21
JP2009281698A2009-12-03
CN106679111A2017-05-17
JPS4931566B11974-08-22
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (Hulic Toranomon Building, 1-18 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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