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Application filed by Yamaha Motor Co LtdfiledCriticalYamaha Motor Co Ltd
Priority to MYPI95003619ApriorityCriticalpatent/MY113769A/en
Publication of MY113769ApublicationCriticalpatent/MY113769A/en
A FOUR-CYCLE INTERNAL COMBUSTION E,NGINE (11) WHEREIN THE PISTON (16), CONNECTING ROD (18), CRANKSHAFT (21), AND CRANKCASE CHAMBER (22) ARE FORMED SO THAT THE CRANKCASE CHAMBER (22) ACTS AS COMPRESSOR. AN INDUCTION SYSTEM (27) SUPPLIES ATMOSPHERIC AIR TO THE CRANKCASE CHAMBER (22) AND A PRESSURE CONDUIT (46) SUPPLIES AIR FROM THE CRANKCASE CHAMBER (22) TO THE ENGINE INTAKE VALVE (28). A PLENUM CHAMBER (42) IS DISPOSED WITHIN THIS PRESSURE CONDUIT ( 46) AND PRESSURE CONTROL IS POSSIBLE BY BYPASSING AIR FROM THE PLENUMCHAMBER (42) TO THE ATMOSPHERIC AIR INLET (35). A THROTTLE VALVE (49) IS POSITIONED DOWNSTREAM OF THE PLENUM CHAMBER (42) SO AS TO IMPROVE ENGINE BRAKING AND CHARGE FORMING SYSTEMS ARE DISCLOSED THAT PERMIT A COMPACT ASSEMBLY AND GOOD RESPONSE UNDER ALL ENGINE RUNNING CONDITIONS .FIG. 1
MYPI95003619A1995-11-241995-11-24Fuel supply device for crankcase chamber supercharged engine
MY113769A
(en)