Title:
INDOOR UNIT OF AIR CONDITIONING DEVICE, AND AIR CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/165973
Kind Code:
A1
Abstract:
The present invention provides an indoor unit of an air conditioning device, the indoor unit comprising: a casing in which an intake opening is formed in an upper part, and a blowout opening is formed in a lower part; a blower that creates an airflow oriented from the intake opening toward the blowout opening; and a heat exchanger provided in the casing betweeen the blower and the blowout opening. The heat exchanger has: a plurality of heat transfer tubes arranged with gaps formed therebetween; and a plurality of fin parts that are layered with gaps formed therebetween, the plurality of heat transfer tubes passing through the plurality of fin parts. The plurality of heat transfer tubes include a first heat transfer part disposed at the farthest-upwind side, and a second heat transfer part disposed on the downwind side of the first heat transfer part. The draft resistance of the first heat transfer part is greater than the draft resistance of the second heat transfer part.
Inventors:
NAGATA RYUICHI (JP)
HIGASHIIUE SHINYA (JP)
SAKABE AKINORI (JP)
UGAJIN YUKI (JP)
NAKAGAWA NAOKI (JP)
HIGASHIIUE SHINYA (JP)
SAKABE AKINORI (JP)
UGAJIN YUKI (JP)
NAKAGAWA NAOKI (JP)
Application Number:
PCT/JP2019/005095
Publication Date:
August 20, 2020
Filing Date:
February 13, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F1/0067; F25B39/04; F28D1/047
Domestic Patent References:
| WO2017068725A1 | 2017-04-27 |
Foreign References:
| JPH10292925A | 1998-11-04 | |||
| JP2002372266A | 2002-12-26 | |||
| JP2001304605A | 2001-10-31 | |||
| JP2001336786A | 2001-12-07 | |||
| JP2008281214A | 2008-11-20 | |||
| JP2008039278A | 2008-02-21 | |||
| JP2000329486A | 2000-11-30 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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