Power plants – Internal combustion engine with treatment or handling of... – Pulsed – timed – tuned or resonating exhaust
Patent
1986-09-08
1989-01-31
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
Pulsed, timed, tuned or resonating exhaust
181240, F02B 2702
Patent
active
048007200
ABSTRACT:
In order to prevent the formation of a standing wave in the exhaust system one or more small transfer passages are formed either inthe body of the manifold or in the cylinder head. These passages permit exhaust pressure to be transmitted to the exhaust ports of the adjacent cylinders as well as into the exhaust conduiting. This destructively interferes with the formation of the standing wave and thus obviates the generation of exhaust noise.
REFERENCES:
patent: 3813880 (1974-06-01), Reid
Hart Douglas
Nissan Motor Co,. Ltd.
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