Patent ID: 6554665
Filing Date: 2003-04-29
Classification: B63B,B63H,F01N

Abstract:
A watercraft comprising a hull defining an engine compartment, an internal combustion engine located within the engine compartment and having an output shaft, a propulsion device carried by the hull and connected to the engine output shaft, and an exhaust system for delivering exhaust gases from the engine to the environment, the exhaust system comprising an expansion chamber, a connection pipe communicating with the expansion chamber, and a water trap device communicating with the connection pipe, the water trap device having a main body having a forward portion and a rearward portion, an enlarged portion being formed in the forward portion of the main body, and a discharge port being formed in an upper portion of the enlarged portion, and a downstream end of the connection pipe opening within the rearward portion of the main body, the connection pipe downstream end positioned farther outwardly from a center line of the watercraft than the discharge port.