抄録 We are developing a small and lightweight direct-drive system toward realization in-
wheel electric vehicles (EVs). To increase the power density of the motor, we developed a …

We are developing a small and lightweight direct‐drive system toward the realization of in‐
wheel electric vehicles (EVs). To increase the power density of the motor, we developed a …

The cooling of the motor in an in-wheel system is critical to its performance and durability. In
the present study, the shape of the channel in the hollow shaft for the oil spray cooling of a …

はじめに近年, 脱炭素社会の実現に向けた投資活動や技術開発が活発となり,
特に自動車分野では法規制の改正と併せてガソリンエンジン車から電動車 (Electric vehicle: 以下 …

High power and miniaturization of motors in an in-wheel drive system, which is installed
inside the wheels of a vehicle, are required for directly driving the wheels. In addition, an …

Cooling the in-wheel motor in electric vehicles is critical to its performance and durability. In
this study, thermal flow analysis was conducted by evaluating the thermal performance of …

The output, efficiency, and durability of in-wheel motors in electric vehicles (EVs) depend on
heat dissipation performance; therefore, effective active cooling is essential. However …

The in-wheel motor used in electric vehicles was designed and constructed for an electric
direct-drive traction system. It is difficult to connect cooling water piping to the in-wheel motor …

The in-wheel motor used in green car was designed and constructed for an electric direct-
drive traction system. It is difficult to connect cooling water piping because the in-wheel …

A CFD simulation performed on an in-wheel motor for electric vehicle was analyzed under
various driving conditions and the temperature rising property of the out-rotor in-wheel motor …