Patent ID: 11898474
Assignee: nan
Field: Environmental technology (Chemistry)
Classification: CPC F | IPC F

Claim 4:
5. A constant velocity muffler assembly for maintaining a constant velocity of exhaust gasses traveling through a vehicle exhaust pipe, said assembly comprising:
a muffler being fluidly coupled to an exhaust pipe of an internal combustion engine wherein said muffler is configured to facilitate exhaust gasses to pass through said muffler, said muffler swelling outwardly at a middle of said muffler, said muffler having a first end, a second end and an outer wall extending between said first end and said second end, each of said first end and said second end being open, said muffler being substantially hollow, said outer wall being continuously arcuate about an axis extending through said first end and said second end such that said muffler has a cylindrical shape, said outer wall having a first portion, a second portion and a third portion, said first portion extending from said first end toward said second end, said third portion extending from said second end toward said first end, said second portion extending between said first portion and said third portion, said outer wall having a pair of shoulders, each of said shoulders being positioned at an intersection between said second portion and a respective one of said first portion and said third portion;
a cylinder being disposed within said muffler, said cylinder being oriented to extend along a flow axis of said muffler with respect to the exhaust gasses wherein said cylinder is configured to deflect sound waves from the internal combustion engine thereby reducing a noise level of the internal combustion engine, said cylinder having a front end, a back end and an exterior wall extending between said front end and said back end, said exterior wall having a pair of sloped portions each tapering to a blunt point at a respective one of said front end and said back end, each blunt point being positioned at a transition from a respective one of said first portion and said third portion and a respective one of said shoulders, said cylinder being elongated between said front end and said back end such that each of said sloped portions of said exterior wall is aligned with a respective one of said shoulders of said outer wall of said muffler thereby defining an exhaust passage between said exterior wall of said cylinder and said outer wall of said muffler which has a constant width along an entire length of said muffler wherein said muffler is configured to facilitate the exhaust gasses to pass through said muffler at a constant velocity; and
a plurality of brackets, each of said brackets being coupled between an interior surface of said outer wall of said muffler and an exterior surface of said exterior wall of said cylinder such that said cylinder is centrally positioned in said muffler, said plurality of brackets being spaced apart from each other and being distributed around a full circumference of said cylinder, said plurality of brackets including a set of first brackets and a set of second brackets, each of said first brackets being positioned adjacent to said sloped portion of said exterior wall of said cylinder which is associated with said front end of said cylinder, each of said second brackets being positioned adjacent to said sloped portion of said exterior wall of said cylinder which is associated with said back end of said cylinder.