Title:
INDOOR UNIT FOR AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/058877
Kind Code:
A1
Abstract:
A disclosed indoor unit for an air conditioner comprises a centrifugal fan. The centrifugal fan comprises: a main plate having a center to which a rotary shaft of a motor is connected; a plurality of blades bonded to the main plate and arranged at equal intervals in the circumferential direction; a shroud bonded to the plurality of blades so as to face the main plate; and a bell mouth located inside and upstream of the shroud. An annular member is mounted on the outer periphery of the bell mouth with a gap formed downward from an inlet of the shroud. The annular member comprises: an annular flat plate part spaced apart from and positioned so as to face the inlet of the shroud; and a protruding part which is formed on the outer periphery of a surface of the annular flat plate part facing the shroud side, and which has an outer surface that is a smooth curved surface.
Inventors:
INOUE NOZOMU (JP)
GOTO SHINJI (JP)
SATO SEIJI (JP)
GOTO SHINJI (JP)
SATO SEIJI (JP)
Application Number:
PCT/KR2022/011864
Publication Date:
April 13, 2023
Filing Date:
August 09, 2022
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
F24F1/0022; F04D29/28; F04D29/42
Foreign References:
| JP2005241220A | 2005-09-08 | |||
| KR100556952B1 | 2006-03-03 | |||
| JP2006029164A | 2006-02-02 | |||
| JP2009228665A | 2009-10-08 | |||
| US20160245298A1 | 2016-08-25 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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