Patent ID: 7040260
Filing Date: 2006-05-09
Classification: F01P,F02B

Abstract:
1. A liquid-cooled, vertical shaft type combustion engine, which comprises: an engine body; a crankshaft accommodated in the engine body and having a longitudinal axis oriented substantially vertically; at least one engine cylinder head disposed at a front portion of the engine body; a radiator mounted above the engine body for cooling the engine body; a duct positioned below the radiator; and a cooling fan operatively accommodated within the duct; wherein the duct has a peripheral wall and top and bottom open ends and also has at least a front discharge opening and side discharge parts defined in a front portion and side portions, respectively, of the peripheral wall for discharging a stream of cooling air, that is induced by the cooling fan and flows into the radiator upstream of the cooling fan and then enters the duct to flow in a direction forwardly of the engine body and in a direction slantwise forwardly of the engine body, respectively.