This paper takes Toyota A43DE auto trans as an example to analyze in detail the design of various one-way clutches in Simpson planet gear mechanism of an automatic transmission, as well as their functions and working principles.

• 本文以丰田A43DE自动变速器为例,详细分析了自动变速器中辛普森式行星齿轮机构中的各个单向离合器的设计意图,及他们的作用和工作原理,以供借鉴。