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发明授权
CN102869903B 车辆用驱动装置 有权

车辆用驱动装置
摘要：
本发明是能够一边防止回路内的油压的上升一边高效地冷却电动发电机并且提高油泵的效率的车辆用驱动装置，其中，驱动装置具有：马达冷却回路，其用于冷却电动发电机，润滑回路，其用于润滑行星齿轮单元，冷却回路，其配设有油冷却器，油泵，其向各回路供给油；在驱动装置中，在冷却回路的下游侧串联配置马达冷却回路，相对于油泵，润滑回路与冷却回路并联配置。
摘要（英）：

A vehicle drive system, including a motor generator; a gear group having a plurality of gears; and a motor cooling circuit for cooling the motor generator. The system further includes a lubricating circuit for lubricating the gear group; a cooler circuit in which an oil cooler is provided; and an oil pump that supplies oil to each circuit. The motor cooling circuit is arranged in series with and downstream of the cooler circuit, and the lubricating circuit is arranged parallel to the cooler circuit with respect to the oil pump.

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