汽车冷却液技术专利分析及产业发展启示

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中图分类号：U463.6 文献标识码：A 文章编号：1003-8639（2026）03-0087-04

Patent Landscape Analysis of Automotive Coolant Technologies and Industrial Development Insights

Jiao Ruobing （Patent Examination Cooperation （Henan） Centerof the Patent Ofice，CNIPA，Zhengzhou 45Ooo0，China）

【Abstract】Against the backdrop of vehicle electrification，high-voltage transition，and intelligent transformation， the performance requirements for coolants in thermal management systems are continuously upgrading.Technological innovationandtheassociated patentlayouthavethus becomethecoreof industrycompetition.Takingautomotivecoolantrelated patentsas theresearchobject，this studydelivers asystematic analysis basedon patent-searchdata in termsof filingtrends，geographicaldistribution，applicantpatern，andcore echnical tmes.Specialatentionispaidtopatent achievements in threekeytechnical fields：eco-friendly formulations，nano-composite modification，and intellgent monitoring coolants.Itfurther sortsoutthe patentlayout strategies of leading domesticand foreign enterprises.Combined withthecurrentneedsofenvironmentalregulationupgradingand industrialtechnology transformation，this paperidentifies thedevelopmenttrendsofcoolantpatent technologiesandthe patentrisksfaced bytheindustry，providing references for Chinese enterprises tooptimize patent layout，break through technical bariers，and enhancecorecompetitiveness.

【Key words】 automotive coolant;patent analysis; patent layout

0 引言

汽车冷却液是发动机核心换热介质，直接影响发动机的性能与寿命。（剩余6587字）