METHOD FOR MONITORING OPERATION STATUS OF FANS FOR MOTOR AND CORRESPONDING SYSTEM

    公开(公告)号:US20250100849A1

    公开(公告)日:2025-03-27

    申请号:US18891675

    申请日:2024-09-20

    Abstract: A system for monitoring an operation status of a cooling fan for a traction motor, the cooling fan including one or more fans, the cooling system including: a current detection unit for detecting a current transmitted from a power supply to the fan; a controller for comparing the current detected with a minimum threshold or a maximum threshold, and generating a prompt signal when the current detected is less than the minimum threshold or greater than the maximum threshold; and an output unit for outputting the prompt signal generated.

    TRACKING SERVICE MECHANIC STATUS DURING ENTRAPMENT

    公开(公告)号:US20200039785A1

    公开(公告)日:2020-02-06

    申请号:US16527249

    申请日:2019-07-31

    Abstract: Embodiments include a system, method and controller for tracking service mechanic status. The embodiments include a controller of an elevator system that is operably coupled to an elevator, wherein the controller is configured to control the elevator and detect a status of the elevator, and a processor operably coupled to the controller and a memory, wherein the memory is configured to store responder information, wherein the processor is configured to receive responder information from the memory and generate notification information based at least in part on the responder information. In addition, the embodiments include an interface unit for transmitting the notification information, and a notification unit operably coupled to the elevator and is configured to provide the notification information.

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