Muffler for an internal combustion engine

Details Muffler for an internal combustion engine Muffler for an internal combustion engine

1997-06-17

1999-01-12

Look, Edward K.

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60323, 60319, 181262, F01N 310

Patent

active

058573275

ABSTRACT:
A muffler for an internal combustion engine has an expansion chamber (31, 32) into which exhaust gas from the engine is introduced. The expansion chamber has a double wall (32A), with an inner panel (42) of the double wall (32A) having exhaust gas discharge portions (42A, 42B, 42C, 42D) with respective blowout holes (61, 62, 63, 64) for introducing the exhaust gas from the expansion chamber (32) into an air space (Sb) in the double wall (32A). From the air space (Sb), the exhaust gas is vented to the ambient through a discharge hole (37A) in an outer panel (42) of the double wall (32A ). A spark arrester screen (72) covers the discharge hole (37A).

REFERENCES:
patent: 5426269 (1995-06-01), Wagner et al.
patent: 5521339 (1996-05-01), Despain et al.
patent: 5738184 (1998-04-01), Masuda et al.

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