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Title:
MOTOR COOLING STRUCTURE, POWER MOTOR AND ELECTRIC DRIVE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/153001
Kind Code:
A1
Abstract:
A motor cooling structure and a power motor and an electric drive system comprising same. The motor cooling structure comprises a rotor liquid cooling structure; the rotor liquid cooling structure comprises a hollow blind hole (18) located in a rotor rotation shaft (8); a liquid cooling pipeline (11) is disposed in the hollow blind hole; a first end opening (11a) of the liquid cooling pipeline protrudes to the blind end of the hollow blind hole, and a second end opening (11b) of the liquid cooling pipeline protrudes to the opening end of the hollow blind hole; and the hollow blind hole and the liquid cooling pipeline constitute a liquid cooling flow path of the rotor liquid cooling structure.

Inventors:
ZHANG, Shengchuan (Rm 502 Bank of America Tower, 12 Harcourt Road Central, Hong Kong, Kong, CN)
LAN, Hongyu (Rm 502 Bank of America Tower, 12 Harcourt Road Central, Hong Kong, Kong, CN)
ZHANG, Shixiang (Rm 502 Bank of America Tower, 12 Harcourt Road Central, Hong Kong, Kong, CN)
LI, Peng (Rm 502 Bank of America Tower, 12 Harcourt Road Central, Hong Kong, Kong, CN)
ZHANG, Jingcai (Rm 502 Bank of America Tower, 12 Harcourt Road Central, Hong Kong, Kong, CN)
ZHU, Jiaxian (Rm 502 Bank of America Tower, 12 Harcourt Road Central, Hong Kong, Kong, CN)
XU, Liwen (Rm 502 Bank of America Tower, 12 Harcourt Road Central, Hong Kong, Kong, CN)
ZHUANG, Zhaohui (Rm 502 Bank of America Tower, 12 Harcourt Road Central, Hong Kong, Kong, CN)
Application Number:
CN2017/091584
Publication Date:
August 30, 2018
Filing Date:
July 04, 2017
Export Citation:
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Assignee:
NEXTEV LIMITED (Rm 502 Bank of America Tower, 12 Harcourt Road, Hong Kong, Kong, CN)
International Classes:
H02K9/19; H02K1/20; H02K5/20
Foreign References:
CN203130530U2013-08-14
CN203871994U2014-10-08
CN204304707U2015-04-29
JPH10243609A1998-09-11
Attorney, Agent or Firm:
CHINA PATENT AGENT (HK) LTD. (22/F, Great Eagle Center23 Harbour Road,Wanchai, Hong Kong, Kong, CN)
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