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公开(公告)号：US20240367940A1
公开(公告)日：2024-11-07
申请号：US18311866
申请日：2023-05-03
Applicant: OTIS ELEVATOR COMPANY
Inventor： Wei Wei , Kyle Connolly
Abstract: A dual machine arrangement is provided for a hoist assembly of an elevator system. The dual machine arrangement includes dual machines, each comprising a motor and a sheave, which is rotatable by the motor, a coupling by which respective ends of the sheaves of the dual machines are connected and drive circuitry configured to synchronize reverse operations of the dual machines to raise or lower a load.
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