Title:
CENTRIFUGAL BLOWER
Document Type and Number:
WIPO Patent Application WO/2022/153522
Kind Code:
A1
Abstract:
A centrifugal blower 100 according to this disclosure is provided with a drive motor 10, an impeller 20, and a casing 30. The casing 30 has an opening surface 31 having an opening 31a located above a rotary shaft 11 of the drive motor in the axial direction. The impeller 20 is provided inside of the casing 30 so as to be rotatable around the rotary shaft 11, and blows out air in a centrifugal direction from the axial direction of the rotary shaft 11. Furthermore, the impeller 20 has, on a side facing the opening 31a, an air-introducing part 23 that has an inlet 23b for drawing in air and an air outlet 23a having an inner diameter smaller than the inner diameters of the opening 31a and the inlet 23b.
Inventors:
OKAMOTO KAZUKI (JP)
HASUIKE KAZUKI (JP)
SAKODA KENICHI (JP)
KIKUCHI HITOSHI (JP)
HASUIKE KAZUKI (JP)
SAKODA KENICHI (JP)
KIKUCHI HITOSHI (JP)
Application Number:
PCT/JP2021/001420
Publication Date:
July 21, 2022
Filing Date:
January 18, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04D29/44
Foreign References:
| JP2009168006A | 2009-07-30 | |||
| JPS52102909U | 1977-08-04 | |||
| CN210440276U | 2020-05-01 |
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
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