To provide a wheel drive device capable of suppressing an increase in the temperature of an electric motor and a power converter, and suppressing the occurrence of failure in an electric component.SOLUTION: A wheel drive device includes: an electric motor including a stator 60 and a rotator 40; a stator holding part 80 for holding the stator 60; a power converter 100 for converting power to be supplied to the electric motor; and a wheel for accommodating the electric motor, the stator holding part 80, and the power converter 100 on an inner peripheral side. The stator holding part 80 includes a flow passage 90 through which a refrigerant flows. The flow passage 90 is arranged between the stator 60 and the power converter 100.SELECTED DRAWING: Figure 1
【課題】電動機及び電力変換装置の温度上昇を抑制し、電気部品の故障発生を抑制することができるホイール駆動装置を提供する。【解決手段】固定子60と回転子40とを有する電動機と、固定子60を保持する固定子保持部80と、電動機へ供給する電力を変換する電力変換装置100と、電動機、固定子保持部80、電力変換装置100を内周側に収納するホイールとを備える。固定子保持部80は冷媒が流れる流路90を備える。流路90は固定子60と電力変換装置100との間に配置される。【選択図】 図1
WHEEL DRIVE DEVICE AND ELECTRIC VEHICLE INCLUDING THE SAME
ホイール駆動装置及びこれを備えた電動車両
2020-08-13
Patent
Electronic Resource
Japanese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES |
All-wheel-drive electric drive device and vehicle with same
European Patent Office | 2023
|