摘要
本文通过专利分析的视角,对新能源汽车驱动电机冷却技术的发展现状进行分析。通过对近20年国内外驱动电机冷却相关专利的梳理,从申请趋势、地域分布、申请人分析等角度分析驱动电机冷却技术的宏观发展趋势,并通过技术分布、技术路线及核心专利解读对驱动电机冷却系统的技术发展现状进行分析。
This paper analyzes the development status of cooling technologies of drive motors for new energy vehicles from the perspective of patent analysis.By sorting out patents related to drive motor cooling technologies in China and overseas in the past 20 years,this paper analyzes the macro development trends of drive motor cooling technologies from the perspective of application trends,regional distributions,applicant analysis,etc.,and analyzes the technical development status of drive motor cooling system through the interpretation of technical distributions,technical routes and core patents.
作者
郭少杰
王军雷
夏天
吕惠
Guo Shaojie;Wang Junlei;Xia Tian;LüHui(China Automotive Technology Research Center,Tianjin 300300;Tianjin Electronic information Vocation and Technical College,Tianjin 300350)
出处
《汽车文摘》
2020年第5期8-12,共5页
Automotive Digest
关键词
新能源汽车
驱动电机
冷却技术
专利分析
New energy vehicle
Drive motor
Cooling technology
Patent analysis
