四驱混动汽车动力系统控制方法专利技术浅析

Patent Technology Analysis on Control Method of Four-wheel Drive Hybrid Vehicle Power System

本文简要介绍了基于"德温特世界专利索引(Derwent World Patents Index;DWPI)"数据库的检索策略及检索结果,并从专利申请数量及分布区域、专利权人及其专利分布、核心汽车企业专利技术分布及专利申请数量、核心汽车企业专利技术等维度对四驱混合动力汽车的动力系统控制方法领域进行了专利全景及专利技术分析与研究,阐述了该领域国内外核心汽车企业的专利技术状况、发展趋势及基本布局,为汽车企业、研发机构、教育部门等相关领域提供决策支持与技术参考。

In this paper,through retrieving"Derwent World Patents Index;DWPI)"database,patent panorama and patent technology are analyzed and studied from the number and distribution area of patent applications,patentee and its patent distribution,distribution and number of patent applications of core automobile enterprises,core automobile enterprises patent technology and other dimensions.This paper expounds thePatent status,development trend and basic layout of the patent technology status of domestic and foreign core automobile enterprises in this field,providing decision support and technical reference for automobile enterprises,research and development institutions,education departments and other related fields.