液力自动变速器的发展现状和趋势研究

Study on the Current Situation and Development Tendency of Automatic Transmission

自动变速器简化了手动换挡操作,能够为汽车提供换挡平顺、操作方便、起步平稳的功能,它是汽车传动技术发展过程中一项重要的发明。近年来,无论是国产车辆还是外资品牌车辆,自动变速箱的搭载比例逐步提高。而AT液力自动变速又以其不同于其它自动变速箱的特点一直广泛使用,本文系统性地梳理AT液力自动变速箱的发展历程和其在国内外的现状并分析其发展趋势。

The automatic transmissions supply great convenience for peoples shift operation which improve shift-feel and smooth start.More and more vehicles which including domestic brands and foreign brands vehicles are installed with automatic transmission,and the proportion is increasing in recent years.The hydraulic automatic transmission is widely used for its advantages.This paper systematically summarize the development of hydraulic automatic transmission and situation at domestic and abroad and analyze its development tendency.