Personal watercraft having an improved exhaust system

  • US 6,551,155 B2
  • Filed: 06/22/2001
  • Issued: 04/22/2003
  • Est. Priority Date: 06/22/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A personal watercraft comprising:

  • a hull having a longitudinal axis;

    an internal combustion engine mounted in the hull, the engine being constructed and arranged to generate power for use in propelling the watercraft and exhaust gas as a by-product of generating power; and

    an exhaust system comprising a first muffler and a second muffler, the first muffler being disposed in the hull on one side of the longitudinal axis and the second muffler being disposed in the hull on the other side;

    an engine exhaust communication member fluidly communicating the engine with the first muffler;

    an intermediate exhaust communication member fluidly communicating the first muffler with the second muffler; and

    an outlet exhaust communication member fluidly communicating the second muffler to the atmosphere at an exhaust point on the same side of the longitudinal axis as the first muffler, the exhaust communication members and the first and second mufflers cooperating to establish an exhaust path from the engine to the atmosphere through which the exhaust gas generated by the engine may flow.

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