Patent ID: 6540573
Filing Date: 2003-04-01
Classification: F01P,F02B

Abstract:
A marine drive comprising an internal combustion engine adapted to drive a propulsion unit, the engine comprising an engine body at least partially enclosing a crankshaft and having at least one combustion chamber, an air intake system, a cooling system comprising a plurality of water jackets, and a flywheel generator, the cooling system comprising a coolant inlet and a coolant passage adapted to deliver coolant to an intake system water jacket arranged generally adjacent to the intake system and to a combustion chamber water jacket arranged generally adjacent to the at least one combustion chamber, the intake system water jacket and the combustion chamber water jackets connected in parallel via the coolant passage so that water from one of the combustion chamber water jacket and intake system water jacket does not flow into the other of the combustion chamber water jacket and intake system water jacket, the cooling system additionally comprising a generator water jacket arranged adjacent at least a portion of the flywheel generator.