Toyota Jidosha Kabushiki Kaisha

Shintaro Horisawa

Toshiaki Asada

Akio Furuishi

Yuichi Miyazaki

An oil circulation system of an internal combustion engine comprises a first oil pan and second oil pan, first oil supplied parts supplied with oil stored in the first oil pan, second oil supplied parts supplied with oil stored in the second oil pan, and a heating part. The heating part has oil paths through which oil flows and heats the oil flowing through the oil paths. The oil circulation system comprises a first circulation path circulating oil through the first oil pan, heating part, and first oil supplied parts, and a second circulation path circulating oil between the second oil pan and the second oil supplied parts.

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Anjo, Japan

Shintaro Horisawa