Patent ID: 6454622
Filing Date: 2002-09-24
Classification: B63B,B63H,F01N,F02B,F02F,F02M,Y02T

Abstract:
A water vehicle comprising a hull defining an engine compartment, an internal combustion engine disposed within the engine compartment, a propulsion device driven by the engine, the engine including a plurality of exhaust ports, an exhaust system configured to guide exhaust from the exhaust ports to the atmosphere, the exhaust system comprising an exhaust conduit extending from the exhaust ports to an exhaust discharge, the exhaust conduit comprising an exhaust manifold communicating with the exhaust ports, and a first exhaust passage assembly connecting the exhaust manifold with the discharge, the exhaust manifold comprising a first exhaust runner assembly including a plurality of individual exhaust runners, each exhaust runner communicating with a respective exhaust port, and a second exhaust runner assembly formed separately from the first exhaust runner assembly, and the first and second exhaust runner assemblies configured to nest with each other.