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Title:
ROTARY ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/243116
Kind Code:
A1
Abstract:
In the present invention, a rotary electric machine is efficiently cooled. This rotary electric machine comprises a stator 6, a rotor 5 connected to a rotation shaft 10, a housing 7 that surrounds the stator and the rotor, an anti-load side end bracket 3 connected to the housing, and a fan 1 that blows cooling air from the anti-load side end bracket. The anti-load side end bracket 3 has: a first through hole 100 that allows cooling air to pass through the inside of the housing; a first tapered part 3A that has an apex between the first through hole and the outer periphery of the anti-load side end bracket, and that is inclined in the load direction from the apex to the first through hole; and a second tapered part 3B that is inclined in the load direction from the apex to the outer periphery of the anti-load side end bracket.

Inventors:
SHIBAMOTO YUKI (JP)
FUJISAWA YUKINARI (JP)
KAWASHIMA TAKUYA (JP)
Application Number:
PCT/JP2022/041817
Publication Date:
December 21, 2023
Filing Date:
November 10, 2022
Export Citation:
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Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
H02K9/04; H02K11/20
Domestic Patent References:
WO2016009531A12016-01-21
Foreign References:
JP2021083242A2021-05-27
JP2005278288A2005-10-06
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
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