Title:
BLOWER FOR VEHICULAR AIR CONDITIONER
Document Type and Number:
Japanese Patent JP2022183794
Kind Code:
A
Abstract:
To reduce noise caused during operation without adding limitations on a parting position of a case while avoiding increase in the number of components.SOLUTION: A centrifugal fan 10 is provided with: multiple main blades 11; a blade support plate part 12 which supports the main blades 11; and multiple sub-blades 13 protruding from the blade support plate part 12 to the motor flange 33 side. A clearance between an outer end part 13b of the sub-blade 13 and a tongue part 30d is set so as to be longer than a clearance between an outer end part 11b of the main blade 11 and the tongue part 30d.SELECTED DRAWING: Figure 5
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Inventors:
KINOSHITA YUKA
SHIGA MASAYUKI
SETOUCHI NAOTO
SHIGA MASAYUKI
SETOUCHI NAOTO
Application Number:
JP2021091279A
Publication Date:
December 13, 2022
Filing Date:
May 31, 2021
Export Citation:
Assignee:
JAPAN CLIMATE SYSTEMS CORP
International Classes:
F04D29/28; F04D29/44; F04D29/66
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office