| 摘要 |
In liquid cooled dynamoelectric machine having a hollow rotor shaft, and cooling water supplying and exhausting tube assembly of a concentric construction extended in the rotor shaft, there are provided a stationary frame provided around a portion of the tube assembly extending outwardly from one end of the rotor shaft, the stationary frame defining therein a liquid-tight chamber communicated with a cooling water exhaust portion of the tube assembly, pipes for supplying and exhausting cooling water provided through the stationary frame, and sealing means for sealing gaps between the stationary frame and the tube assembly.
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