发明名称 MAGNETIC SCREW PROPULSION SYSTEM FOR ELEVATORS
摘要 A propulsion system includes a magnetic screw having a first magnetic element having a first polarity, the first magnetic element arranged along a first non-linear path along a longitudinal axis of the magnetic screw and a second magnetic element having a second polarity, the second magnetic element arranged along a second non-linear path along the longitudinal axis of the magnetic screw; a motor for rotating the magnetic screw about the longitudinal axis; and a stator made from a ferrous material, the stator having a body with an internal cavity, the body including a plurality of poles extending into the cavity, the poles arranged along a pole non-linear path along a longitudinal axis of the stator.
申请公布号 EP2922778(A4) 申请公布日期 2016.11.30
申请号 EP20120888954 申请日期 2012.11.20
申请人 OTIS ELEVATOR COMPANY 发明人 FARGO, RICHARD N.
分类号 B66B11/04;B66B9/02;H02K41/00 主分类号 B66B11/04
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