| 摘要 |
A multi-stage pump turbine, especially for pumped-storage power station; the stages, operating on a common shaft, arranged in series; actuating means such as fixed connecting conduits passing the power medium between the individual stages as well as adjustable elements for shutting off the connecting conduits for the purpose of switching at least one stage on or off from the power medium side; optionally a clutch as an actuating means between the shaft and the rotor contained in the stage that can be switched on or off; all the stages and all the actuating means arranged in a common housing.
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