Patent ID: 7942138
Filing Date: 2011-05-17
Classification: B63H,F01N,F01P,F02B,F02M,Y02T

Abstract:
1. An outboard motor, comprising: an engine having at least one cylinder; an exhaust conduit connected in fluid communication with said at least one cylinder; an air intake conduit connected in fluid communication with said at least one cylinder; a recirculation conduit connected in fluid communication between said exhaust conduit and said air intake conduit and configured to direct a flow of exhaust gas to said air intake conduit; a pump configured to draw water from a body of water in which said outboard motor is operating; and a heat exchanger configured to direct said flow of exhaust gas in thermal communication with said water drawn by said pump from said body of water in which said outboard motor is operating, said heat exchanger being disposed outside of the structure of said engine.