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Class Information
Number: 474/93
Name: Endless belt power transmission systems or components > Fluid-impelling means (e.g., for cooling, etc.)
Description: Subject matter wherein significance is attributed to an auxillary device used in combination with a belt* and pulley* drive train, or to a particular surface configuration of a belt or pulley; which auxiliary device or particular surface configuration is for inducing the flow of a fluid, such as air, within, through, or around a belt or pulley.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8596406 Utility vehicle Dec. 3, 2013
8439019 Compressed air delivery system with integrated cooling of a continuous variable transmission May. 14, 2013
8439020 CVT driven supercharger with selectively positionable speed multiplying gear set May. 14, 2013
8398512 Toothed belt pulley Mar. 19, 2013
8256563 All terrain vehicle Sep. 4, 2012
7810600 Motorcycle with intake duct for belt chamber arranged between seat and rear fender Oct. 12, 2010
7802647 Motorcycle including belt type continuously variable transmission having resin block belt Sep. 28, 2010
7798930 Engine starting device Sep. 21, 2010
7686123 Straddle-type vehicle with belt type continuously variable transmission having resin-block-type belt Mar. 30, 2010
7618338 Cooled pump pulley Nov. 17, 2009
7611660 Apparatus and method for cooling material during continuous vacuum forming Nov. 3, 2009
7438659 Device for controlling belt lubrication and cooling of CVT (continuously variable transmission) Oct. 21, 2008
7427248 Continuously variable transmission Sep. 23, 2008
7185503 Conditioning system for a manufacturing machine, in particular a machine tool Mar. 6, 2007
7070527 Ventilated clutch assembly with reduced-slip sheave surfaces Jul. 4, 2006
7059438 ATV with an improved transmission and air intake Jun. 13, 2006
6938676 Cooling structure for a continuous variation transmission system of an all-terrain vehicle Sep. 6, 2005
6848348 Wood lathe with a cooling fan Feb. 1, 2005
6808465 V-belt type transmission Oct. 26, 2004
6695581 Combination fan-flywheel-pulley assembly and method of forming Feb. 24, 2004
6691862 Drained conveyor chain link Feb. 17, 2004
6267700 Cooling system for a vehicle power unit Jul. 31, 2001
6176796 Continuously variable transmission with clutch having enhanced air cooling Jan. 23, 2001
6152845 Power transmission apparatus Nov. 28, 2000
5976044 Cooling structure of belt transmission for vehicle Nov. 2, 1999
5887576 Centrifugal air compressor Mar. 30, 1999
5417617 Noise-suppressed pulley May. 23, 1995
5308288 Vacuum sweeper drive belt May. 3, 1994
5277663 Belt drive for an internal-combustion engine Jan. 11, 1994
4960081 Belt driven camshaft mechanism for internal combustion engine Oct. 2, 1990
4906221 Continuously variable transmission with unique fluid flow path structure Mar. 6, 1990
4754833 Cooling chain drive for a motorcycle having balloon tire Jul. 5, 1988
4708699 Method and apparatus for reducing sound emanation from a drive system Nov. 24, 1987
4697665 Recreational vehicle with air cooled transmission Oct. 6, 1987
4680493 Ventilating device for a generator Jul. 14, 1987
4671782 Cooler for a belt type stageless transmission Jun. 9, 1987
4671781 Cooling system for a belt type transmission Jun. 9, 1987
4645028 Motorcycle having balloon tire Feb. 24, 1987
4631977 Power transmission casing in motorized two-wheeled vehicle Dec. 30, 1986
4629444 Belt pulley and method of making the same Dec. 16, 1986
4622023 Belt pulley and method of making the same Nov. 11, 1986
4618334 Belt pulley and method of making the same Oct. 21, 1986
4596537 Ventilation device for a stepless speed-change transmission Jun. 24, 1986
4555239 Belt pulley and method of making the same Nov. 26, 1985
4531928 Belt transmission having air cooling function Jul. 30, 1985
4530680 Belt pulley and method of making the same Jul. 23, 1985
4525993 Twisting machine Jul. 2, 1985
4525150 Belt pulley and method of making the same Jun. 25, 1985
4509933 Belt pulley and method of making the same Apr. 9, 1985
4493677 Belt transmission having circulated air cooling function Jan. 15, 1985

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