AIR INTAKE AND EXHAUST SYSTEMS FOR A SNOWMOBILE ENGINE

AIR INTAKE AND EXHAUST SYSTEMS FOR A SNOWMOBILE ENGINE

A snowmobile has a frame including a tunnel having a passage therethrough, at least one ski, an engine having an engine air inlet and an engine exhaust outlet, and a drive track operatively connected thereto and disposed at least partly below the tunnel around a rear suspension. A heat exchanger con...

Ausführliche Beschreibung

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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 has a frame including a tunnel having a passage therethrough, at least one ski, an engine having an engine air inlet and an engine exhaust outlet, and a drive track operatively connected thereto and disposed at least partly below the tunnel around a rear suspension. A heat exchanger connected to the tunnel has heat exchanger engine air inlet and outlet, a cooling air inlet and a cooling air outlet fluidly connected between the cooling air inlet and the passage. A snowmobile has a pipe fluidly connected to the exhaust outlet and having first and second pipe outlets. The snowmobile further has a muffler having first and second muffler inlets and a muffler outlet, a turbocharger, first and second exhaust flow passages, and a valve disposed between the pipe and the first muffler inlet for selectively controlling the flow of exhaust gas flowing through the first exhaust flow path.