Title:
COOLING FAN AND ELECTRIC MOTOR ASSEMBLY
Document Type and Number:
Japanese Patent JP2022189307
Kind Code:
A
Abstract:
To provide a cooling fan that can suppress the heat trapped on a rear side of a cooling fan and improve heat dissipation property, and to provide an electric motor assembly.SOLUTION: A cooling fan 30 includes: a hub 31 including a main plate 32 extending on a radial outside and to be fitted to a drive shaft of a motor; and a plurality of fan blades 33 provided at a surface 32a of the main plate 32. The main plate 32 is provided with a slit 35 penetrating therethrough in an axial direction on a radial inside relative to the plurality of fan blades 33.SELECTED DRAWING: Figure 5
Inventors:
AN BYUNGJIN
KITAMURA MASASHI
OBUCHI SHINJI
OGOSE HIROYUKI
WATANABE HIROSUKE
MATSUDA MICHIAKI
OGAKI FUYUTOSHI
OCHIAI AKIHIRO
OISHI YOHEI
NAGAI MASAYUKI
MAEDA TSUYOSHI
NISHIMURA KAZUMA
TANABE KAITA
TAKAHASHI SHIN
KITAMURA MASASHI
OBUCHI SHINJI
OGOSE HIROYUKI
WATANABE HIROSUKE
MATSUDA MICHIAKI
OGAKI FUYUTOSHI
OCHIAI AKIHIRO
OISHI YOHEI
NAGAI MASAYUKI
MAEDA TSUYOSHI
NISHIMURA KAZUMA
TANABE KAITA
TAKAHASHI SHIN
Application Number:
JP2021097825A
Publication Date:
December 22, 2022
Filing Date:
June 11, 2021
Export Citation:
Assignee:
EBARA CORP
International Classes:
F04D29/28; F04D29/58; H02K9/06
Attorney, Agent or Firm:
Sumio Tanai
Yasushi Matsunuma
Yuichiro Shimizu
Hisanori Takahashi
Yasushi Matsunuma
Yuichiro Shimizu
Hisanori Takahashi