Title:
CENTRIFUGAL BLOWER, AIR-CONDITIONING DEVICE, AND METHOD FOR MANUFACTURING CENTRIFUGAL BLOWER
Document Type and Number:
WIPO Patent Application WO/2018/116341
Kind Code:
A1
Abstract:
The centrifugal blower is provided with a turbo fan and a bell mouth. The bell mouth includes a flange section extending in an orthogonal direction to a rotational axis direction of the turbo fan and a cylindrical section extending from the flange section in the rotational axis direction, and the bell mouth further has a plurality of wall parts each formed so as to be connected to the flange part and the outer peripheral surface of the cylindrical part and stand upright. The plurality of wall parts includes a plurality of wall part groups, each comprising two or more wall parts extending in parallel with each other in an outward direction from the cylindrical section.
Inventors:
ISOMURA KAZUKI (JP)
FUJIWARA SUSUMU (JP)
FUJIWARA SUSUMU (JP)
Application Number:
PCT/JP2016/087763
Publication Date:
June 28, 2018
Filing Date:
December 19, 2016
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04D29/44
Foreign References:
| JP2016080208A | 2016-05-16 | |||
| JP2012207643A | 2012-10-25 | |||
| JP2012211576A | 2012-11-01 | |||
| JP2016188578A | 2016-11-04 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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