专利名称：Pumping installation发明人：J. Marlin Eller申请号：US05/7595申请日：19770117公开号：US04073606A公开日：19780214
摘要：In a pumping installation having an above-ground prime mover driving an axial-flow pump below through a relatively long drive shaft unit, the drive shaft unit is coupledto the pump shaft through a sliding coupling which accommodates axial expansion andcontraction of the relatively long drive shaft unit due to temperature changes. The pumpshaft is provided with combined rotational and axial thrust bearings for taking up axialthrusts in either direction, and an improved shaft seal is provided for the pump shaft.
申请人：ELLER; J. MARLIN
代理机构：Oltman and Flynn
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