AMT用比例电磁阀的专利检索和技术分析

Patent Retrieval and Technical Analysis of AMT Proportional Solenoid Valves

AMT技术是汽车的关键技术之一,AMT自动变速器主要采用液压和气动作为动力源,换挡过程由电磁阀实现精确的换挡控制。此类AMT用比例电磁阀的系统简单、价格低廉、市场需求量大、使用安全可靠。文章查询和了解国内外从1960年至2018年的AMT用比例电磁阀的相关专利,对AMT技术发展趋势、区域分布、专利人、典型专利几个方面进行分析,为我国开发新的减压电磁阀提供思路。

AMT technology is one of the key technologies of automobile.AMT automatic transmission mainly uses hydraulic and pneumatic as the power source,and the shift process is controlled accurately by solenoid valve.This kind of AMT proportional solenoid valve has the advantages of simple system,low price,large market demand and safe and reliable use.This paper queries and understands the patents related to proportional solenoid valves used in AMT from 1960 to 2018 at home and abroad,analyzes the development trend,regional distribution,patentee analysis and typical patent analysis of AMT technology,and draws a conclusion.