COOLING APPARATUS OF INTERNAL COMBUSTION ENGINE FOR STRADDLE TYPE VEHICLE

The present invention aims to provide a cooling apparatus of the internal combustion engine for straddle type vehicle which can improve the driving comfort by preventing the noise caused by driving the internal combustion engine from reaching to a rider in spite of the high emission and the large ou...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TOMIOKA, Yusuke, NISHIMOTO, Taro, OBA, Yu, NGARMLERTSIRICHAI, Adisorn, INOMOTO, Yutaka, KURAMITSU, Tomofumi, KITO, Genichi, UMEKI, Hiroshi
Format:	Patent
Sprache:	eng ; fre ; ger
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 INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	The present invention aims to provide a cooling apparatus of the internal combustion engine for straddle type vehicle which can improve the driving comfort by preventing the noise caused by driving the internal combustion engine from reaching to a rider in spite of the high emission and the large output in the built-in radiator type internal combustion engine. In the built-in radiator type cooling apparatus of the internal combustion engine for straddle type vehicle, the cooling apparatus is configured as below. Sound barriers 76, 103 are formed on a part of or all of the upper area than a crank axis C in the core surface opposite area S which is opposite to the core surface 61f of the radiator 60 in the radiator cover 70, 100 in the side view. Cooling wind inlet openings 77, 107, 110 are formed on the area except the sound barriers 76,103 in the radiator cover 70, 100. The area of the sound barriers 76, 103 is larger than the opening area of the cooling wind inlet openings 77, 107, 110 at the upper area than the crank axis C, at least in the core surface opposite area S.