POWER UNIT FOR MOTORCYCLE

PROBLEM TO BE SOLVED: To reduce a load of a starting device when starting an internal combustion engine, to make a continuously variable transmission correspond to a low-speed state when stopping the internal combustion engine, and to eliminate the need for giving great consideration to forming an o...

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Bibliographische Detailangaben
Hauptverfasser:	KONDO HITOSHI, NAKAJIMA HISAMITSU, MITSUBORI TOSHIMASA
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce a load of a starting device when starting an internal combustion engine, to make a continuously variable transmission correspond to a low-speed state when stopping the internal combustion engine, and to eliminate the need for giving great consideration to forming an oil passage by simplifying an oil passage structure, in a power unit for a motorcycle stored in a transmission chamber of a machine body material, wherein the continuously variable transmission is constituted so as to change power transmission from a driving pulley shaft to a driven pulley shaft without stages by changing a winding radius of a belt to a driving pulley and a driven pulley. SOLUTION: An input clutch 51 interposed between a crank shaft 12 and the driving pulley shaft 40 is provided on the driving pulley shaft 40, and a starting clutch 38 interposed between the driven pulley shaft 41 and a rear wheel is provided on the driven pulley shaft 41. One of the input clutch 51 and the starting clutch 38 switches disconnection/connection by hydraulic control, and the other of the input clutch 51 and the starting clutch 38 mechanically switches the disconnection/connection. COPYRIGHT: (C)2008,JPO&INPIT