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SCREW PUMP ROTORS AND RING SEALS FOR SCREW PUMP ROTORS
SCREW PUMP ROTORS AND RING SEALS FOR SCREW PUMP ROTORS
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机译:螺杆泵转子和螺杆泵的密封圈
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摘要
A pump rotor for a screw pump, comprising a shaft, a thread on the shaft, the thread comprising a groove disposed on an outer surface thereof, and a seal disposed in the groove. The seal and the groove are configured to retain the seal in the groove while allowing radial displacement of the seal with respect to the thread as the pump rotor is deflected.
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