AIR INTAKE AND EXHAUST SYSTEMS FOR A SNOWMOBILE ENGINE

A snowmobile including a frame; at least one ski; an engine with an engine air inlet and an exhaust outlet; a turbocharger including an exhaust turbine, and a compressor. An air intake system includes a first flow path connecting the compressor to the atmosphere; a second flow path connecting the co...

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Bibliographische Detailangaben
Hauptverfasser:	BEDARD, Yvon, CLAVEAU, Jonathan, LEFEBVRE, Michel
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CYCLES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A snowmobile including a frame; at least one ski; an engine with an engine air inlet and an exhaust outlet; a turbocharger including an exhaust turbine, and a compressor. An air intake system includes a first flow path connecting the compressor to the atmosphere; a second flow path connecting the compressor to the engine air inlet; an intake bypass flow path connecting atmosphere to the engine air inlet for bypassing the compressor; and an intake bypass valve for controlling the flow through the intake bypass flow path. An exhaust system includes a third flow path connecting the exhaust outlet to the exhaust turbine; a fourth flow path connecting the exhaust turbine to the atmosphere; an exhaust bypass flow path connecting the exhaust outlet to the atmosphere for at least partially bypassing the exhaust turbine; and an exhaust bypass valve for controlling the flow through the exhaust bypass flow path.