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Title:
INDOOR UNIT FOR AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2017/168834
Kind Code:
A1
Abstract:
This indoor unit for an air conditioner uses a flammable refrigerant in a refrigerant circuit constituting a refrigeration cycle and has: a housing having a suction opening which is formed in the lower part of the front surface of the housing, a single discharge opening which is formed in the upper part of the front surface of the housing, and an air passage for providing communication between the suction opening and the discharge opening; a heat exchanger provided within the air passage; a blower fan provided within the air passage and generating an air current within the air passage; an air direction regulation section provided at the discharge opening and dividing, into two upper and lower directions in the same period, an air current discharged from the discharge opening; a piping connection section which is located within the housing and at which lengths of piping for supplying the flammable refrigerant to the heat exchanger are connected to each other; a refrigerant leakage detection means provided within the housing and detecting the leakage of the flammable refrigerant from the piping connection section; and a control device for changing the direction of the air direction regulation section when detecting, on the basis of information from the refrigerant leakage detection means, the leakage of the flammable refrigerant from the piping connection section.

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Inventors:
SANO, Naoto (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2016/085734
Publication Date:
October 05, 2017
Filing Date:
December 01, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F24F11/02
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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