Title:
BLOWER DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/130935
Kind Code:
A1
Abstract:
This blower device comprises: an electric motor (22) having a motor body (222) that causes a rotating shaft (221) to rotate about an axis (CL); a blower fan (21) provided with a main plate (212) having a center part (2123) disposed to one side of the motor body in the axial direction, and a plurality of fan blades (211); and a case member (12) that houses the electric motor and the blower fan. The case member has a first case (12a) that forms a first air passage (131) and a second case (12b) that forms a second air passage (132). The main plate has a first protruding part (2121) that decreases in diameter by a first change amount from a radially outer side centered on the axis line toward the center, and a second protruding part (2122) that is disposed on the radially outer side of the first protruding part and decreases in diameter by a second change amount greater than the first change amount from the radially outer side toward the center. At least part of the motor body fits into one side in the axial direction from the outer circumference of the main plate.
Inventors:
ISHII FUMIYA (JP)
IMAHIGASHI SHOUICHI (JP)
ODA SHUZO (JP)
IMAHIGASHI SHOUICHI (JP)
ODA SHUZO (JP)
Application Number:
PCT/JP2021/043401
Publication Date:
June 23, 2022
Filing Date:
November 26, 2021
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F04D29/44; B60H1/00; F04D29/28
Foreign References:
| JP2012057619A | 2012-03-22 | |||
| JPH11332200A | 1999-11-30 | |||
| JP2017008789A | 2017-01-12 | |||
| JP2020117094A | 2020-08-06 |
Attorney, Agent or Firm:
YOU-I PATENT FIRM (JP)
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