| 摘要 |
PURPOSE: A nuclear reactor coolant pump is provided to enable the separate check of an axial trust bearing assembly. CONSTITUTION: A nuclear reactor coolant pump includes a pumping unit (110), an operating unit, and a power delivering unit (170). The pumping unit pumps a coolant. The operating unit supplies operating force to the pumping unit. The power delivering unit includes a frame , a top shaft (175), a coupling unit (240), a bearing assembly (180), and an oil storage tub (185). The frame supports the operating unit. The top shaft is placed in the frame. The coupling unit is detachably combined and delivers power to the top shaft. The bearing assembly includes a bearing housing. The oil storage tub (185) includes an oil storage tub cover (55).
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