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Patent Searching and Data


Title:
BLOWER DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/054141
Kind Code:
A1
Abstract:
Provided is a blower device configured so that a satisfactory air delivery rate can be ensured and water splashing over a drive source can be prevented. This blower device 1 is provided with: a motor 10 having an output shaft 12 and a housing 11; a fan 20 rotationally driven by the motor 10; and a shroud 30 having a shroud body in which a fan installation hole is formed, and also having a motor mounting section 60 which is provided inside the fan installation hole when viewed in the axial direction of the output shaft 12 and to which the motor 10 is mounted. The motor mounting section 60 is provided with: an inner cylinder 61 for surrounding the periphery of the motor 10 from the outside radially of the output shaft 12; an outer cylinder 62 for surrounding the inner cylinder 61 from the outside radially; and a plurality of spokes 63 for connecting the inner cylinder 61 and the outer cylinder 62. The inner cylinder 61 is provided with a top wall 61b for covering the motor 10 from above while the shroud 30 is affixed. The rear edge 61c of the top wall 61b, which is located on the positive pressure side when the fan 20 is being rotated, is located closer to the positive pressure side than the housing 11.

Inventors:
NAGASE HIROKI (JP)
OTA HIDETAKE (JP)
Application Number:
PCT/JP2018/030950
Publication Date:
March 21, 2019
Filing Date:
August 22, 2018
Export Citation:
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Assignee:
MITSUBA CORP (JP)
International Classes:
F04D29/52; F04D29/70
Foreign References:
JP2017110563A2017-06-22
JPH0683993U1994-12-02
JP2010132183A2010-06-17
JP2000110773A2000-04-18
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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