专利名称：RING SEALS FOR SCREW PUMP ROTORS 发明人：ANDERSON, David, Deloyd,GHASIPOOR, Farshad,KOTHNUR, Vasanath, Srinivasa 申请号：EP09790424.7
申请日：20090715
静穆
公开号：EP2324246A1混流式风机
惠尚学公开日：
20110525
国家公路网规划(2013年-2030年)
摘要：A pump rotor (40) for a screw pump, comprising a shaft (42), a thread (44) on the shaft, the thread comprising a groove (48) disposed on an outer surface thereof, and a seal (50) 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.
申请人：General Electric Company
地址：1 River Road Schenectady, NY 12345 US
国籍：US采油工艺
代理机构：Illingworth-Law, William Illingworth
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