Patent ID: 8307949

Claim:
An exhaust device comprising: an outer shell having a proximal end defining an inlet, a distal end defining an outlet, and a central section between the proximal end and distal end, the central section defining an interior chamber; a first inner cone component with a first cylindrical segment and a first frustum segment, the first inner cone component disposed within the interior chamber; and a second inner cone component with a second cylindrical segment and a second frustum segment, the second inner cone component disposed within the interior chamber, wherein a portion of the second cylindrical segment connects to and overlaps a portion of the first cylindrical segment to form a connected overlapping section and a portion of an inner cone stack assembly disposed within the interior chamber of the exhaust device, wherein the first cylindrical segment has a first upper segment and a first lower segment, the second cylindrical segment has a second upper segment and a second lower segment, and the second lower segment connects to and overlaps the first upper segment, wherein the first upper segment has a first outer diameter, the first lower segment has a second outer diameter, the second upper segment has a third outer diameter, the second lower segment has a fourth outer diameter, and the fourth outer diameter is greater than the first outer diameter.