Patent ID: 8454401
Filing Date: 2013-06-04
Classification: F01P,F02B,F02M

Abstract:
1. An outboard motor comprising: an engine; an engine cover forming an engine compartment for holding the engine therein; and a ventilation system having an outlet ventilation space through which air in the engine compartment flows to an outside of the engine compartment; wherein the engine compartment contains a generator therein; the ventilation system includes a case disposed in the engine compartment and forming an air discharge passage connecting to the outer outlet ventilation space, and a fan placed in the air discharge passage to deliver air under pressure from the engine compartment to the outer outlet ventilation space; the air discharge passage has an inlet ventilation passage located in an upper space in the engine compartment and extending immediately below and along a top wall of the engine cover in a longitudinal direction of the outboard motor, the inlet ventilation passage opening upward toward the top wall; and the engine compartment contains therein an air guide structure forming an air guide passage with an inclined part sloping upward to guide air discharged through a discharge opening of the generator after cooling the generator, in an obliquely upward direction to the upper space in which the inlet ventilation passage opens.