Exhaust gas control device for engines

Details Exhaust gas control device for engines Exhaust gas control device for engines

1987-11-30

1990-01-30

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

180 892, 180219, F02B 2702

Patent

active

048965049

ABSTRACT:
A motorcycle having an exhaust system with an exhaust control valve that is provided to improve engine mid-range performance without adversely affecting high range performance. Several embodiments of valves are disclosed, all of which include a valve member that is movable to a position to obstruct the flow through the exhaust gas but is also movable to an opened position wherein the exhaust gas flow is completely unobstructed. The exhaust control valve is suspended independently from the chassis and is configured so as to promote smooth flow of exhaust gases through it.

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