Exhaust gas control means for engine

Details Exhaust gas control means for engine Exhaust gas control means for engine

1987-03-06

1989-01-03

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Pulsed, timed, tuned or resonating exhaust

60323, 60324, 137595, 180219, 180296, 180309, F02B 2702

Patent

active

047954205

ABSTRACT:
An improved valve for use in an exhaust system to increase the performance of the engine throughout the entire engine and load speed ranges by providing reflective areas that cooperate with the individual exhaust pipes of the engine to reduce pressure pulses in the combustion chamber during valve overlap periods. A number of embodiments of compact valve constructions are shown that employ relatively short journaling shafts for minimizing the effects of thermal expansion.

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