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发明名称
Elevator machine with counter-rotating rotors
摘要
An elevator drive machine having two counter-rotating rotors provides a lightweight, efficient machine that eliminates reaction torque on surrounding structures by directing reaction forces and driving forces to the elevator car being lifted.
申请公布号
US6202793(B1)
申请公布日期
2001.03.20
申请号
US19980218182
申请日期
1998.12.22
申请人
FARGO RICHARD N.
发明人
FARGO RICHARD N.
分类号
B66B7/06;B66B11/04;B66B11/08;H02K7/10;H02K16/00;(IPC1-7):B66B1/00
主分类号
B66B7/06
代理机构
代理人
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