Textron Inc.
Continuously variable transmission cooling

Abstract:

A continuously variable transmission (CVT), wherein the CVT includes a housing having an inner cover and an outer cover connected to the inner cover to provide the housing having an interior chamber defined therein. The CVT additionally comprises a clutch assembly disposed within the housing interior chamber, wherein the clutch assembly comprises a clutch post that is connectable to an output shaft of a vehicle prime mover, a movable sheave movably mounted on the clutch post, and a stationary sheave fixedly mounted on the clutch post opposite a front face of the movable sheave. The clutch assembly additionally comprises an intake fan fixedly mounted to the clutch post opposite a rear face of the movable sheave such that the intake fan is separate, independent and spaced apart from the movable sheave.