Power plants – Internal combustion engine with treatment or handling of... – Pulsed – timed – tuned or resonating exhaust
Patent
1990-02-12
1992-01-14
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
Pulsed, timed, tuned or resonating exhaust
60314, F02B 2702
Patent
active
050799185
ABSTRACT:
An expansion tube exhaust system for an internal combustion engine, preferably a four-cycle engine, with a short diverging section connected to a much longer converging section, that absorbs the negative pressure back to the engine. The purpose of this invention is to lessen the back pressure going back to the engine.
REFERENCES:
patent: 2542756 (1951-02-01), Draminsky
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