FORCED AIR-COOLED ENGINE UNIT FOR VEHICLE AND MOTORCYCLE

PROBLEM TO BE SOLVED: To provide a forced air-cooled engine unit for a vehicle and a motorcycle, having a simple structure, having a high degree of freedom of a layout in the vehicle, and having high combustion efficiency of fuel. SOLUTION: A sub-intake passage forming body 41 is connected to an int...

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Bibliographische Detailangaben
Hauptverfasser:	ISHII KO, SATOIE TAKAYUKI, ISHIZUKA YASUSHI, MATSUBARA TOSHIO, MORITA KYOJI, NAGAI YOSHITAKU, TSUJIKU HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES PECULIAR TO CYCLES AND NOT OTHERWISE PROVIDED FOR,e.g. ARTICLE CARRIERS, CYCLE PROTECTORS BLASTING COMBUSTION ENGINES COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL CYCLE AXLE SUSPENSIONS CYCLE FRAMES CYCLE SADDLES OR SEATS CYCLE SIDE-CARS, FORECARS, OR THE LIKE CYCLE STEERING DEVICES CYCLES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a forced air-cooled engine unit for a vehicle and a motorcycle, having a simple structure, having a high degree of freedom of a layout in the vehicle, and having high combustion efficiency of fuel. SOLUTION: A sub-intake passage forming body 41 is connected to an intake pipe 36 continuing with a cylinder head 23. The sub-intake passage forming body 41 forms a sub-intake passage K1. The sub-intake passage K1 is branched off from a main intake passage P1 in the intake pipe 36, and introduces intake air to a vicinal space of an injection nozzle of an injector in at least idling. At least a part of the sub-intake passage forming body 41 is arranged outside a shroud 50. The injector periphery is cooled by low temperature assist air of passing through the sub-intake passage K1 in the idling. The injector periphery is also cooled by cooling air generated by a fan 56 in traveling. COPYRIGHT: (C)2011,JPO&INPIT