| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing device of a vertical rotating electric machine with high quality and low cost without need for external auxiliary facilities such as cooling water piping. SOLUTION: In this bearing device of the vertical rotating electric machine where a bearing 4 is provided between a runner 5 fitted on a rotor shaft 3 and a bearing support base 8 and the runner 5, the bearing 4, and the bearing support base 8 are immersed into lubricating oil 10 in a hydraulic tank 9 to support the dead weight of a rotor and a load, a radiating part 14 is provided on the outer-periphery wall 9-1 of the hydraulic tank, and a cooling fan 16 is fitted to the rotor shaft 3. A wind tunnel body 18 is provided to guide air blasting from the cooling fan 16 to the radiating part provided on the outer-periphery wall of the hydraulic oil. COPYRIGHT: (C)2004,JPO
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