Internal combustion engine with wind exhaust duct and vehicle mounted with internal combustion engine
AssigneeHonda Motor Co., Ltd.
InventorsShuji Hirayama, Masato Takamuro, Yuichiro Morikawa, Masashi Kanezuka, Takehiro Koyasu
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Abstract
To increase the wind volume of the cooling wind flowing through a radiator and to enhance the cooling performance of the radiator by providing a wind exhaust duct using a crankcase of an internal combustion engine. A cooling device of the internal combustion engine includes a radiator arranged lateral to crankcases. A wind exhaust duct exhausts the cooling wind passed through the radiator to the atmosphere. The wind exhaust duct is extends along a rotational axis of the crankshaft at the upper portion of the crankcases and the upper portion of the transmission case.
Claims15
An internal combustion engine comprising:
- an engine main body configured by a crankcase;
- and
- a cooling device including a radiator arranged lateral to the engine main body, said cooling device including a wind exhaust duct for exhausting exhausted wind, which is cooling wind passed through the radiator, to an atmosphere,
- wherein the wind exhaust duct is arranged on an upper portion of the crankcase.
A vehicle with wheels, the vehicle comprising:
- an internal combustion engine mounted thereon, the internal combustion engine including an engine main body configured by a crankcase, and a cooling device, the cooling device including:
- a radiator arranged lateral to the engine main body;
- a wind exhaust duct for exhausting exhausted wind, which is cooling wind passed through the radiator, from a wind exhaust outlet portion to an atmosphere,
- wherein the wind exhaust duct is arranged on an upper portion of the crankcase.
Dependencies are inferred from the claim text.