Cooling air intake structure for V-belt drive continuously variable transmission
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United States of America Patent
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Sep 23, 2014
Grant Date -
Nov 15, 2012
app pub date -
Sep 3, 2009
filing date -
Sep 3, 2009
priority date (Note) -
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Abstract
Disclosed is a cooling air intake structure for a V-belt drive continuously variable transmission, which is disposed beside the rear wheel of a small vehicle and which does not permit muddy water and dust to enter therein. A cooling air inlet through which cooling air is taken in is formed at a position beside a transmission case and above a cooling fan side opening formed in the transmission case opposite to a drive pulley. A cooling air passage extending from the cooling air inlet to the side opening is formed so as to surround the side opening. Cooling air taken in through the cooling air inlet is guided so as to flow upward first and then flows downward along a U-shaped cooling air passage to the side opening of the transmission case beside the cooling fan.
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