Patent ID: 6290557
Filing Date: 2001-09-18
Classification: B63B,B63H,F01N,F02B

Abstract:
An exhaust system for a jet propulsion boat, the exhaust system comprising:a muffler, the muffler being connected to an exhaust pipe to receive exhaust gases from an engine;an auxiliary muffler operatively connected to the muffler to receive exhaust gases passing through the muffler;a tail pipe operatively connected to the auxiliary muffler to receive exhaust gases passing through the auxiliary muffler, whereinthe auxiliary muffler is positioned within the exhaust system to suppress entry of water into the auxiliary muffler; anda connecting pipe having a generally inverse U shape, one side of the connecting pipe connecting the auxiliary muffler to the muffler, and another side of the connecting pipe connecting the auxiliary muffler to the tail pipe.