Title:
BLOWER
Document Type and Number:
WIPO Patent Application WO/2022/075087
Kind Code:
A1
Abstract:
This blower comprises a driving part (2), a shaft (3), a fan (4), and an anti-rotation member (5). The shaft (3) rotates via torque output from the driving part (2). The fan (4) has a main plate (10) having a shaft hole (11) that is press-fit affixed to the shaft (3), a shroud (20) provided facing said main plate (10) and having an intake port (21) for air in the center thereof, and a plurality of wings (30) arranged about an axial center (CL) between the shroud (20) and the main plate (10). The anti-rotation member (5) is affixed to the shaft (3) and the main plate (10), and regulates relative rotation of the shaft (3) and the fan (4). Further the main plate (10) has, further outward than the anti-rotation member (5), an inclined part (13) that, as said inclined part (13) recedes from the shaft hole (11 in the outward radial direction, inclines toward the driving part (2) side, and a flat surface part (16) that is provided to a portion of said inclined part (13) intermittently or continuously about the axial center (CL), and that is perpendicular to the axial center (CL).
Inventors:
ISHII FUMIYA (JP)
IMAHIGASHI SHOUICHI (JP)
ODA SHUZO (JP)
IMAHIGASHI SHOUICHI (JP)
ODA SHUZO (JP)
Application Number:
PCT/JP2021/035043
Publication Date:
April 14, 2022
Filing Date:
September 24, 2021
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F04D29/28; F04D29/62
Foreign References:
| JP2020033889A | 2020-03-05 | |||
| JP2009264245A | 2009-11-12 |
Attorney, Agent or Firm:
YOU-I PATENT FIRM (JP)
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