Two-cycle engine wave interference muffler means

Power plants – Internal combustion engine with treatment or handling of... – Pulsed – timed – tuned or resonating exhaust

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181 33L, 181 48, F02B 2702, F01N 106

Patent

active

040388204

ABSTRACT:
Exhaust means for internal combustion engines which comprises an exhaust pipe having one end connected with exhaust port of the engine, said exhaust pipe having an enlarged expansion chamber adjacent to the other end thereof, said exhaust pipe being closed at the other end and provided with an exhaust gas outlet port which is located at a position where the maximum value of noise producing pulsating pressure is relatively low, there being a first portion of substantially uniform cross-section connecting the engine to the enlarged expansion chamber.

REFERENCES:
patent: 1601884 (1926-10-01), Rylsky
patent: 2075265 (1937-03-01), Bourne
patent: 2109995 (1938-03-01), Hawle
patent: 3568791 (1971-03-01), Luxton
patent: 3665712 (1972-05-01), Tenney
patent: 3744589 (1973-07-01), Mellin
patent: 3776364 (1973-12-01), Van Doeren
patent: 3842599 (1974-10-01), Ehlen
patent: 3875744 (1975-04-01), Brooks et al.

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