| US 7,413,716 B2 | ||
| Muffler with catalytic converter | ||
| Nagesh S. Mavinahally, Anderson, S.C. (US); Fabio T. Romero, Simpsonville, S.C. (US); and David R. Brower, Townville, S.C. (US) | ||
| Assigned to Homelite Technologies, Ltd., Hamilton (Bermuda) | ||
| Filed on Apr. 08, 2005, as Appl. No. 11/101,923. | ||
| Prior Publication US 2006/0225951 A1, Oct. 12, 2006 | ||
| Int. Cl. B01D 50/00 (2006.01) | ||
| U.S. Cl. 422—177 [422/180] | 6 Claims |
| 1. A muffler for use with an engine comprising:
an inner port for receiving exhaust gases from the engine;
a housing attached to the engine, the housing including a housing outlet and a housing inlet;
a nozzle having an inlet section attached to the housing inlet for a cooling gas to enter into the inlet section, a venturi
tube, and an outlet section attached to the housing outlet and at least one opening into the housing for fluid communication
between the housing and the inlet section;
a catalytic converter element within the nozzle; and
wherein exhaust gas passes through the at least one opening and the catalytic converter element in a direction transverse
to a longitudinal axis of the catalytic element, and wherein the cooling gas and exhaust gas pass through the venturi tube
and through the housing outlet.
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