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专利名称：LINEAR MOTOR CONTROLLER发明人：MCGILL, IAN CAMPBELL,TIAN, ZHUANG申请号：EP02803577申请日：20021107公开号：EP1446579A4公开日：20050202
摘要：A free piston gas compressor comprising a cylinder (9), a piston (11)reciprocable within the cylinder (9) and a reciprocating linear electric motor derivablycoupled to the piston having at least one excitation winding (1, 2). A measure of thereciprocation time of the piston (11) is obtained, any change in the reciprocation time isdetected and the power input to said excitation winding (1, 2) is adjusted in response toany detected change in reciprocation time.
申请人：FISHER & PAYKEL APPLIANCES LIMITED
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