Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent
1997-08-26
1999-07-20
Dang, Khanh
Acoustics
Sound-modifying means
Muffler, fluid conducting type
181264, 181273, F01N 102
Patent
active
059258578
ABSTRACT:
An expansion chamber for the exhaust system of two cycle engines. The expansion chamber includes a diverging section and a converging section. The diverging section has a continually increasing cross-sectional area. A terminal section is integrally attached to the diverging section. A reflective cone is disposed within the terminal section and secured thereto. The converging section is defined by the area contained between the terminal section and the reflective cone. Devices are also provide for directing exhaust gases into and out of the expansion chamber. The reflective cone may be positioned entirely within the diverging section or anywhere between the diverging section and the terminal section, depending on specific performance characteristics desired. The reflective cone may also be secure in various ways depending on its placement.
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Birkel Jeffrey F.
Corcoran Paul T.
Dang Khanh
Litman Richard C.
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