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发明公开
CN101989780A 电动机驱动装置及搭载该电动机驱动装置的电动车辆 无效 - 撤回

电动机驱动装置及搭载该电动机驱动装置的电动车辆
摘要：
本发明提供一种电动机驱动装置，其通过效率良好地使驱动时产生的热量散热，能够持续完成稳定的旋转驱动。电动机驱动装置(20)具备电动机(30)和对电动机(30)的旋转进行制动的制动机构(50)，电动机(30)与制动机构(50)并列配置，且在电动机(30)与制动机构(50)之间设置有连接电动机(30)与制动机构(50)的连接部(70)，该连接部(70)相对于电动机(30)的轴线的径向尺寸比电动机(30)的外径及制动机构(50)的外径小。由此，能够在电动机(30)与制动机构(50)之间形成空间(S)，能够将电动车辆(1)行驶时产生的空气流送入该空间(S)而对电动机(30)及制动机构(50)进行冷却。
摘要（英）：

A motor driving device (20) includes a motor (30) and a brake mechanism (50) which brakes rotation of the motor (30). The motor (30) and the brake mechanism (50) are disposed in parallel to each other. A connection portion (70) for connecting the motor (30) and the brake mechanism (50) is disposed between the motor (30) and the brake mechanism (50). A size of the connection portion (70) in the radial direction with respect to the axis of the motor (30) is smaller than outer diameter of the motor (30) as well as outer diameter of the brake mechanism (50). Therefore a space (S) can be formed between the motor (30) and the brake mechanism (50). The air flow generated in the operation of an electric vehicle (1) can be sent into the space (S) for cooling the motor (30) and the brake mechanism (50).

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