Patent ID: 6494755
Filing Date: 2002-12-17
Classification: B63H,F02B,F02D,F02M

Abstract:
An outboard motor comprising a powerhead including an internal combustion engine, the engine having at least one variable-volume combustion chamber formed by at least a pair of members, one member being movable relative to the other member, a crankshaft coupled to the one member and journaled for rotation within the engine, an intake system configured to provide air to the combustion chamber, and a fuel system including a fuel supply system and at least one fuel injector connected to the fuel supply system and arranged to provide fuel to the at least one combustion chamber, the fuel supply system comprising a fuel circuit including a plurality of conduits and having a multi-branched portion, a plurality of high pressure fuel pumps, the pumps being disposed in separate branches of the multi-branched portion, a fuel filter, a vapor separator disposed between the fuel filter and the multi-branched portion, and at least one of the branches of the multi-branched section looping back to form a looped branch in the fuel circuit to communicate with the vapor separator.