Power plants – Internal combustion engine with treatment or handling of... – Divider – collector – valve means – or boundary layer device...
Patent
1997-03-24
1998-04-28
McMahon, Marguerite
Power plants
Internal combustion engine with treatment or handling of...
Divider, collector, valve means, or boundary layer device...
181236, F01N 700
Patent
active
057430888
ABSTRACT:
A triad exhaust system comprising a diverter rotatably engaged with a muffler and an exhaust pipe. The diverter has a plurality of ports which are alignable with a muffler intake and an exhaust pipe intake. When the diverter is rotated to a "BOTH" position, diverter ports permit exhaust gasses to exit an exhaust manifold through both the muffler and the exhaust port. When the diverter is rotated to a "MUFFLER ONLY" position, a diverter port permits exhaust gasses to exit the exhaust manifold only through the muffler. When the diverter is rotated to an "EXHAUST PIPE ONLY" position, a diverter port permits exhaust gasses to exit the exhaust manifold only through the exhaust pipe. A quadrant bearing indicia is provided to permit an operator to ascertain the position of the diverter. A flexible cable may be attached to the diverter to permit operation of the triad exhaust system from a remote location such as from the motorcycle handlebars of a motor cycle. Operation of the triad exhaust system permits the operator to maximize power and noise level when the diverter is in the "EXHAUST PIPE ONLY" position. In the "MUFFLER ONLY" position, the diverter provides for a minimum sound level at the cost of reduced power. In the "BOTH" position, the diverter provides reduced sound without minimizing power available.
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McMahon Marguerite
Rooy Paul S.
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