Importance

Loading Importance Indicators...

Abstract

A fixing device includes a muffler and a catalyst mantle. The muffler is communicated with an exhausting route of an internal combustion engine. The muffler has at least one clapboard to divide inner space thereof for forming a plurality of expanding rooms, which are communicated with each other and configured for guiding waste gas. The catalyst mantle is integrated on the clapboard. The catalyst mantle has an admission terminal and an exhaust terminal communicated with the plurality of expanding rooms. A substrate having catalyst coated thereon is arranged in the catalyst mantle between the admission terminal and the exhaust terminal. At least one block is configured for preventing the substrate sliding to the exhaust terminal and a stopper is formed on the clapboard or an inner wall of the muffler for preventing the substrate sliding to the admission terminal. The fixing device improves the fixing capacity of the substrate, and decreases the manufacturing steps for arranging the catalyst mantle in the muffler.

Loading the Abstract Image...

First Claim