Ntn Corporation

Huaxia Li

Shiro Tamura

Shinya Taikou

A lubricating oil supply structure in an in-wheel motor drive device () includes an oil tank () provided a lower part of a motor unit () and/or a reducer unit (), configured to store lubricating oil, an oil pump () configured to pump up lubricating oil from the oil tank, and an oil pipe () fixedly attached in an upper part of the motor unit and/or the reducer unit. The oil pipe () includes an inlet () through which lubricating oil pumped up from the oil pump () flows therein, and at least one outlet () provided between one end thereof and the other end thereof, configured to discharge lubricating oil flown in from the inlet () downwards.

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Shizuoka, Japan

Huaxia Li