Exhaust system for a small watercraft

Details Exhaust system for a small watercraft Exhaust system for a small watercraft

B - Operations, Transporting

63

H

B63H 21/32 (2006.01) F01N 13/00 (2010.01) F01N 13/08 (2010.01) F01N 13/12 (2010.01) F01N 1/02 (2006.01) F01N 3/04 (2006.01)

Patent

CA 2433755

To provide an exhaust system for a small watercraft wherein exhaust gas can flow smoothly. An exhaust system 30 for a small watercraft includes a water muffler 32 in the exhaust system 30 for an engine 15 incorporated in a small watercraft 10. An exhaust pipe 33 connected to the water muffler 32 extends upwardly once and then extends downwardly in such a manner as to have a substantially U shape, and spiral baffleplates 46 ... for spirally introducing exhaust gas are provided on an inner face 43c of the U-shaped exhaust pipe 33. Since the baffleplates 46 ... are provided on the exhaust pipe 33, cooling water and exhaust gas can be separated from each other.

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