Abstract
A method of improving scavenging operation of a two-stroke internal combustion engine. The exhaust pressure of the engine is analyzed to determine if there is a pulsation frequency. Acoustic modeling is used to design an absorber. An appropriately designed side branch absorber may be attached to the exhaust manifold.
Patent Number
7,866,147
Date Of Issue
Inventors
Ralph E. Harris; Eugene L. Broerman III; Gary D. Bourn