Exhaust gas purifying apparatus of motorcycle

Details Exhaust gas purifying apparatus of motorcycle Exhaust gas purifying apparatus of motorcycle

2005-06-23

2009-02-03

Denion, Thomas E (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

C060S299000

Reexamination Certificate

active

07484361

ABSTRACT:
An exhaust gas purifying apparatus is provided for a motorcycle, configured to minimize engine output characteristics, and to raise the temperature of a catalyst to an activation temperature rapidly after a start of the engine, while not increasing a vehicle body size. The motorcycle includes an engine in which a cylinder block is extended upward on a crankcase. An exhaust port is provided on a front portion of the engine; an exhaust pipe extends forward of the engine from the exhaust port, then extends downward once, and thereafter, extends toward the rear of a vehicle body. A catalyst is placed in the exhaust pipe. The exhaust pipe passes along a side of the cylinder block, and the catalyst is placed in the exhaust pipe in a position located on the side of the cylinder block.

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