商用车发动机专利技术研究

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中图分类号：U464 收稿日期：2025-07-02 DOI： 10.19999/j.cnki.1004-0226.2025.09.002

Research of Commercial Vehicle Engines Patent Technology

Du Wenjie Patent Examination Cooperation Tianjin Center of the Patent Office，CNIPA，Tianjin 30o304，China

Abstract：Withtheadvancementofglobalcarbonreductiontargets，commercialvehicles，asanimportantsourceofcarbonemissions，havebcometekeytotechnologicalupgadestroughthegreeningandfiiencyoftheiregines.Thispapertakescomecial vehicleenginsthalsisctistlyitalysthepatetacationtrd，egioalrbutiodpatetlatsto clarifytheglobalanddmesticatentompetitionpateofommercialvehicleeges.hnitfocussonteottecholgiesof commercial vehicle engines，sorts out the technological development of new fuel technologies and NOx post-treatment technologies for commercialvehicleengines.Theresearchcanprovidereferenceandguidancefordomesticcommercialvehicleinnovationeities to participate in international competition and technology research and development.

Key words：Commercial vehicle; Engine;Patent analysis;Emission control;New energy power

1前言

商用车（CommercialVehicle）是用于运送人员和货物的汽车，以其较强的货物运送能力区别于乘用车，它包括客车、货车、半挂牵引车、客车非完整车辆和货车非完整车辆五类。（剩余7327字）