发明授权
US4964506A Pressure balanced pistons in an automatic transmission 失效
自动变速器中的压力平衡活塞

Pressure balanced pistons in an automatic transmission
摘要:
Pressure balanced pistons in a four-speed automatic transmission which prevent the centrifugal force acting on the rotating fluid in the clutch cavity from causing the piston to remain in the clutch applied position even though the fluid apply line is vented.
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