发明名称 HIGH EFFICIENCY LINEAR MOTOR AND OIL WELL LIFT DEVICE
摘要 A high-efficiency permanent magnet linear motor optimized for low speed, high thrust applications, and a direct-drive oil well lift device powered by the motor. The motor comprises a high ratio of conductor volume to core cross-section area (14) and a plurality of individual, rectangular core- winding units (22) with a straight flux path through the cores (10) of the winding units.
申请公布号 WO2008021361(A2) 申请公布日期 2008.02.21
申请号 WO2007US17991 申请日期 2007.08.14
申请人 RAOS, DAVOR, J. 发明人 RAOS, DAVOR, J.
分类号 H02K41/02 主分类号 H02K41/02
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