Motorcycle dynamic exhaust system

Details Motorcycle dynamic exhaust system Motorcycle dynamic exhaust system

2008-03-25

2008-03-25

Denion, Thomas (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

C060S287000, C060S324000

Reexamination Certificate

active

07347045

ABSTRACT:
The present invention provides a method of operating a dynamic exhaust system of a motorcycle engine. The method includes providing a valve in the exhaust system that is movable to direct exhaust gases between a first flow path through the exhaust system and a second flow path through the exhaust system. The method includes actuating the valve at a first speed to redirect exhaust gases from the first flow path to the second flow path and actuating the valve at a second speed greater than the first speed to redirect exhaust gases from the second flow path to the first flow path.

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