Yanmar Co., Ltd.

Masami Yoshii

Masashi Sagara

Yasuhiro Kanazu

The purpose of the present invention is to improve cooling efficiency of a cylinder head of an air-cooled engine. With regard to the construction that a cooling fan is provided at one of ends of a crankshaft, and cooling air from the cooling fan is guided to a cylinder headso as to cool the cylinder head, an intake manifoldis arranged above the cooling fan, a ductis provided at the lateral center of the intake manifoldso as to suck air from an air cleaner, cooling air is sent from both sides of the ductto an intake valve, an exhaust valve and an injection nozzle arranged in the cylinder head, and a shielding plateis provided at one of lateral sides of the duct

Growing community of inventors

Osaka, Japan

Masami Yoshii