Archive for November, 2009

Tuned Exhaust Scroll for Internal Combustion Engine

This invention allows dynamic modification of the length of the exhaust pipe in an internal combustion engine so the pipe length is optimal for scavenging efficiency depending on engine speed and other characteristics. The scroll style pipe of this invention allows a more compact package than other tunable exhaust pipes.

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Multi-Position Exhaust Scroll for Internal Combustion

This invention allows dynamic and continuous modification of the length of the exhaust pipe in an internal combustion engine so the pipe length is optimal for scavenging efficiency depending on engine speed and other characteristics.
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