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专利名称：Linear motor controller improvements发明人：ZHUANG TIAN,JOHN H BOYD JR申请号：AU2004269283申请日：20040902公开号：AU2004269283B2公开日：20080605
摘要：Disclosed is a free piston gas compressor comprising a cylinder, a piston, thepiston reciprocable within the cylinder in alternating compression and expansion strokes,a reciprocating linear electric motor drivably coupled to the piston having at least oneexcitation winding, and a controller programmed to control or adjust power input to thelinear motor on the basis of a relationship including at least one of the presentcompression stroke or expansion stroke duration, the relationship being indicative(directly or indirectly) of the TDC position of the piston, including in the absence of anycollision
申请人：FISHER & PAYKEL APPLIANCES LIMITED
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