| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cooling system capable of more efficiently cooling a rotary shaft device.SOLUTION: A cooling system of a rotary shaft device 10 using a built-in type motor, comprises: a first cooling flow passage for removing generated heat due to an electric cause from the rotary shaft device; a second cooling flow passage for removing generated heat due to a mechanical cause from the rotary shaft device; a cooling device 20 for supplying cooling liquid to the first and second cooling flow passages; a valve 51 for adjusting a distribution ratio of flow rate of the cooling liquid to be flown to the channels; and a control device 61 for determining the distribution ratio of the flow rate of the cooling liquid to be flown to the channels, at least based on rotational speed of the motor.</p> |
