Clutch assembly with bleed assembly for centrifugal pressure

摘要

A clutch assembly (100) for an agricultural work vehicle having a piston (136) slidably disposed within a chamber (134) having a first portion (151) and a second portion (152). The piston (136) is positionable between a first position and a second position in response to a fluid pressure within the first portion (151) of the chamber (134) to actuate a clutch mechanism. A sealing ring (140; 701) is associated with the piston (136) to substantially prevent flow of fluid (402) between the first portion (151) and the second portion (152) when the piston (136) is in the first position. A bleed assembly (162) is configured to permit flow of fluid between the first portion (151) and the second portion (152) when the piston (136) is in the first position. The bleed assembly (162) allows sufficient flow to substantially prevent unintentional engagement of the clutch mechanism.