Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2019/229934
Kind Code:
A1
Abstract:
This air conditioner is provided with: a cross-flow fan (12), and a fan cleaning mechanism unit (37) that cleans the cross-flow fan (12) with a brush (37b), wherein small blades (38) each having a short chord length are provided between blades of the cross-flow fan (12). When an inter-blade insertion length of the brush of the fan cleaning mechanism unit (37) is Lb and a radial length of each of the small blades (38) having the short chord length is Ls, there is a relationship of Lb>Ls. The fan cleaning mechanism unit (37) is disposed between a heat exchanger and the cross-flow fan (12), and at least one of the heat exchanger and a dew tray is present below the fan cleaning mechanism unit (37).
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Inventors:
YOSHIKAWA MASASHI (JP)
TOYODA HIROYUKI (JP)
DAISAKA HISASHI (JP)
FUKUHARA KEISUKE (JP)
TOYODA HIROYUKI (JP)
DAISAKA HISASHI (JP)
FUKUHARA KEISUKE (JP)
Application Number:
PCT/JP2018/020972
Publication Date:
December 05, 2019
Filing Date:
May 31, 2018
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
F24F1/00; F24F13/20; F24F13/22
Foreign References:
| JP2008045858A | 2008-02-28 | |||
| JPS6090590U | 1985-06-21 | |||
| JPH0539800A | 1993-02-19 | |||
| JP2008002767A | 2008-01-10 | |||
| JPH05231728A | 1993-09-07 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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