Patent ID: 6769944
Filing Date: 2004-08-03
Classification: B63B,B63H,F01N,Y02T

Abstract:
An exhaust and drain structure for vessels for discharging exhaust gas from an engine through an exhaust pipe having a water jacket into a water muffler together with water passed through the water jacket, comprising:a water outlet port of said exhaust pipe, said water outlet port being directed toward an upper portion of an inner wall surface of the water muffler on which exhaust gas discharged from the exhaust pipe is directly blown; wherein said exhaust pipe includes a distal end projecting a predetermined distance adjacent to said inner wall of the water muffler, said water outlet port being formed in the distal end of the exhaust pipe and opening upwardly for providing water from the water jacket to be sprayed to the upper portion of the inner wall surface of the water muffler to flow downwardly therefrom for cooling said water muffler.