Patent ID: 11884516
Assignee: OTIS ELEVATOR COMPANY
Field: Measurement (Instruments)
Classification: CPC B  G | IPC B  G

Claim 13:
14. A method of health monitoring of an electrically-conductive tension member of an elevator system, comprising:
directing an alternating current through a coil of a transmitter located at a tension member of an elevator system;
generating one or more magnetic fields and eddy currents at the transmitter via the alternating current;
evaluating the tension member by detecting fluctuations in the magnetic field at a receiver located at the tension member, the fluctuations indicative of wear and or damage to the tension member; and
locating and mapping locations of wear or damage of the tension member on the tension member utilizing position information obtained via communication with an elevator control system;
wherein the transmitter and the receiver are disposed at a same side of the tension member; and
wherein a position of the receiver is offset from a position of the transmitter relative to a lengthwise direction of the tension member.