Patent ID: 7086224
Filing Date: 2006-08-08
Classification: F01N

Abstract:
1. In a motor vehicle having at least three wheels and having an internal combustion motor and a wheel drive mechanism, said internal combustion motor having an exhaust system connected thereto, the improvement which comprises: a) said exhaust system having a first exhaust pipe and a second exhaust pipe said first exhaust pipe being in a fixed position relative to said internal combustion motor, said second exhaust pipe being rotatably connected to said first exhaust pipe; and, b) an exhaust pipe drive mechanism connected to said second exhaust pipe for rotation of said second exhaust pipe relative to said first exhaust pipe so as to freely spin about said exhaust pipe when operating to add dynamic and artistic appearance to said motor vehicle, said exhaust pipe drive mechanism being located in a position selected from the group consisting of a) inside said first exhaust pipe, b) on said second exhaust pipe on the outside of said second exhaust pipe, c) adjacent a wheel, and d) connected to and in the vicinity of a motor or motor drive mechanism, said exhaust pipe drive mechanism being connected to said second exhaust pipe for rotation thereof.