Patent ID: 7296552
Filing Date: 2007-11-20
Classification: F02D,F02M

Abstract:
1. An engine for an outboard motor wherein the engine is positioned within an engine cowling, the engine comprising an engine body including a plurality of combustion chambers, a crankcase member comprising a crankshaft that is disposed to rotate about a generally vertical axis, and an air induction system for supplying air to the combustion chambers, the air induction system comprising a support member defining at least one flow passage, the support member being attached to the crankcase member, a flow control device disposed above the support member and supported by the support member, the flow control device being positioned upstream of the flow passage and communicating with the flow passage so as to regulate an amount of air flow through the flow passage, at least two runners, the runners positioned on opposite sides of the engine body from each other and being in fluid communication with at least one corresponding combustion chamber and with the flow passage of the support member, one end of each runner being supported by the support member and the other end of each runner being supported by the engine body, the flow passage being positioned to deliver air flow from the flow control device to the ends of the runners supported by the support member.