Patent ID: 6517397
Filing Date: 2003-02-11
Classification: B63B,B63J,F02B,F02M

Abstract:
An engine induction system for a watercraft comprised of a hull defining an engine compartment, an internal combustion engine having at least one combustion chamber and being supported within the engine compartment, and a propulsion device supported by the hull and driven by the engine to propel the hull, the induction system comprising a first intake air chamber having an air inlet and communicating with the at least one combustion chamber, a second intake air chamber having an air inlet and an air outlet, a conduit connecting the air inlet of the first intake air chamber to the outlet of the second intake air chamber, the outlet of the second intake air chamber being positioned vertically lower than the inlet of the first intake air chamber, and a branched passage extending upwardly from the conduit.