Muffler assembly
AssigneeS & S Cycle, Inc.
InventorsSteve Kensok, Rob Andolsek, Scott Sjovall, Roy Meyer, Gary Gilbertson
Life of this patent
Estimating the term…
Abstract
A muffler assembly is provided including a diffuser adapted to expand exhaust gas entering the muffler assembly, an insert with at least one opening through which exhaust gas passes to exit the muffler assembly, and a baffle-less sound dampening portion to muffle engine sound. Preferably, the muffler assembly is of a double walled configuration with insulation provided between an inner wall and an outer wall.
Claims24
A muffler assembly including a body having a first end and a second end, the muffler assembly comprising:
- a diffuser extending from the first end of the body toward the second end of the body, the diffuser being adapted to expand exhaust gas entering the muffler assembly;
- an insert positioned at the second end of the body, the insert including at least one opening through which exhaust gas passes to exit the muffler assembly;
- and
- a baffle-less sound dampening portion between the diffuser and the insert, the baffle-less sound dampening portion being adapted to muffle engine sound.
A muffler assembly comprising:
- means for expanding exhaust gas entering the muffler assembly;
- means for controlling exit of exhaust gas from the muffler assembly;
- and
- means for baffle-lessly muffling engine sound.
A double walled muffler assembly for a motorcycle, comprising:
- a diffuser section comprised of:
- a solid inner wall;
- an outer wall;
- and
- insulation provided between the inner and outer walls of the diffuser section,
- wherein an angle between an inlet tube and the inner wall of the diffuser is in the range of about 40° to about 50°;
- a baffle-less muffling section comprised of:
- a perforated inner wall;
- an outer wall;
- and
- insulation provided between the inner and outer walls of the baffle-less muffling section;
- and
- a removable end cap including at least one opening through which exhaust gases exit the double walled muffler assembly.
A double walled exhaust muffler assembly for a motorcycle, comprising:
- a body having a substantially obround periphery;
- an inlet for receiving exhaust gas from a motorcycle engine;
- and
- an outlet for exhausting exhaust gas from the muffler assembly,
- wherein the muffler assembly is mountable on the motorcycle such that a ground clearance of the motorcycle is not reduced by the muffler assembly, and
- wherein an interior volume of the muffler assembly is at least 325 cubic inches.
Dependencies are inferred from the claim text.