Power plants – Internal combustion engine with treatment or handling of... – Pulsed – timed – tuned or resonating exhaust
Patent
1987-03-06
1988-08-23
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
Pulsed, timed, tuned or resonating exhaust
F02B 2702
Patent
active
047651377
ABSTRACT:
Several embodiments of exhaust systems for motorcycles that improve the engine performance by positioning reflective valve members between an expansion chamber and the exhaust ports of the engine. In each embodiment, there are provided separate valve bodies with separate valve supporting shafts that are all controlled by means of a common controller either through a single or multiple servo motors.
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Fuchigami Wataru
Sakurai Tadashi
Beutler Ernest A.
Hart Douglas
Yamaha Hatsudoki Kabushiki Kaisha
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