Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2023/090151
Kind Code:
A1
Abstract:
A blower unit of an air conditioner according to the present disclosure comprises: a motor; a shaft rotationally driven around an axis by the motor, and having an outer circumferential surface having a uniform outer diameter along the axial direction, and a recessed part indented radially inward from the outer circumferential surface; a cylindrical boss part fit on the outer circumferential surface of the shaft and provided to overlap the recessed part from radially outside; a connection part protruding from the boss part radially outside of the axial line; a fan having a cylindrical blade part connected to the radially outer side of the connection part and coaxial with the boss part; and a fastening member radially passing through the boss part and abutting on the bottom of the recessed part.
Inventors:
ITO MASAKAZU (JP)
Application Number:
PCT/JP2022/040882
Publication Date:
May 25, 2023
Filing Date:
November 01, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (JP)
International Classes:
F04D29/28; F24F1/0022
Foreign References:
| JPH0274597U | 1990-06-07 | |||
| JPH0777196A | 1995-03-20 | |||
| CN1900616A | 2007-01-24 | |||
| JPS51163512U | 1976-12-27 |
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
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