Title:
ELECTRIC MOTOR AND WIND GENERATING SET
Document Type and Number:
WIPO Patent Application WO/2020/048072
Kind Code:
A1
Abstract:
Provided are an electric motor and a wind generating set, comprising an active cooling circuit and a passive cooling circuit isolated from each other; the active cooling circuit is provided with a cooling device connected with an enclosure space and comprising chambers located at two ends of a motor shaft, an air gap between a stator and a rotor, and radial channels; the passive cooling circuit connects the external environment and comprises a first axial channel penetrating through the stator, a second axial channel penetrating through a stator bracket, and an outer surface of the electric motor; and a heat exchanger connects the radial channels and the second axial channel respectively.
Inventors:
LI JINHUI (CN)
LIU JUNWEI (CN)
XU WENHUA (CN)
LIU JUNWEI (CN)
XU WENHUA (CN)
Application Number:
PCT/CN2019/070440
Publication Date:
March 12, 2020
Filing Date:
January 04, 2019
Export Citation:
Assignee:
XINJIANG GOLDWIND SCIENCE & TECH CO LTD (CN)
International Classes:
H02K1/20; H02K9/00; H02K5/20
Foreign References:
| US20100237727A1 | 2010-09-23 | |||
| CN107612172A | 2018-01-19 | |||
| JP2012196101A | 2012-10-11 | |||
| CN201811039192A | 2018-09-06 |
Other References:
See also references of EP 3641109A4
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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