Patent ID: 7363999
Filing Date: 2008-04-29
Classification: F16H,Y10S

Abstract:
1. A utility vehicle comprising: a frame supporting at least three ground-engaging wheels; an engine supported by virtue of the frame; a drive assembly for one or more of the ground-engaging wheels; a continuously variable transmission unit in operative engagement with the engine and supported by operation of the frame; a housing of said continuously variable transmission, said housing including a peripheral wall positioned between opposing members and transmission components therewithin, said housing having an inlet thereinto and an outlet therefrom, wherein both said inlet and said outlet are disposed at positions along said peripheral wall; and a fan unit positioned in operative fluid-passing relationship with the inlet to the housing, said fan unit impelling ambient air into the housing so as to impart a positive pressure within the housing and develop an air flow out of said housing through at least the outlet of the housing, thereby minimizing risk of intrusion into the housing of moisture, dust and/or dirt.