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    Contactor damage and diagnostics
    11.
    发明授权
    Contactor damage and diagnostics 有权

    公开(公告)号：US11784501B2

    公开(公告)日：2023-10-10

    申请号：US17662114

    申请日：2022-05-05

    Applicant: Eaton Intelligent Power Limited

    Inventor： Jacob William Green ,  Brandon William Fisher

    IPC: H02J7/00 ,  B60R16/033

    CPC classification number: H02J7/0031 ,  B60R16/033

    Abstract: A method includes interpreting a contactor open event and a contactor load value for a contactor positioned on a motive power circuit for a mobile application, determining that a contactor opening event under load has occurred in response to the contactor open event and the contactor load value, and updating a contactor wear condition in response to the contactor opening event under load, wherein updating the contactor wear condition comprises accumulating a number of the contactor opening events under load.

    ARC FAULT DETECTION MODULES FOR VEHICLE ELECTRICAL SYSTEMS
    13.
    发明申请
    ARC FAULT DETECTION MODULES FOR VEHICLE ELECTRICAL SYSTEMS 有权

    公开(公告)号：US20230034902A1

    公开(公告)日：2023-02-02

    申请号：US17789468

    申请日：2020-12-28

    Applicant: Eaton Intelligent Power Limited

    Inventor： Chaitanya Bhalwankar ,  Ritika Shetty ,  Brandon William Fisher ,  Kumar Prasad Telikepalli ,  Naresh Kumar Kodela

    IPC: G01R31/00 ,  G01R31/12

    Abstract: Arc fault detection modules for vehicles intended to supervise circuits and detect arc fault conditions in both alternating current and direct current circuits. A number of these arc fault detection modules may be integrated into a vehicle's electrical system in strategic locations. Each arc fault module contains sensing capabilities for monitoring the circuit, and may also include signal conditioning capabilities, processing capabilities for determining the occurrence of an arc fault, contactors for disabling the supervised circuit, and communications capabilities to interact with other vehicle components and telematics systems. As a result arc fault detection odules can be customized to leverage existing features of a vehicle's electrical system or to provide fully redundant arc fault protection.

    ACTIVE CURRENT INJECTION THROUGH A FUSE FOR AN ELECTRIC MOBILE APPLICATION
    17.
    发明申请
    ACTIVE CURRENT INJECTION THROUGH A FUSE FOR AN ELECTRIC MOBILE APPLICATION 审中-公开

    公开(公告)号：US20200235566A1

    公开(公告)日：2020-07-23

    申请号：US16712354

    申请日：2019-12-12

    Applicant: Eaton Intelligent Power Limited

    Inventor： Brandon William Fisher

    IPC: H02H7/085 ,  H01H71/32 ,  H02H1/00 ,  H01H89/00 ,  H02P29/68 ,  H02M7/00 ,  H05K7/20

    Abstract: A system includes a vehicle having a motive electrical power path; a power distribution unit comprising a current protection circuit disposed in the motive electrical power path, the current protection circuit comprising a thermal fuse and a contactor in a series arrangement; a current source circuit electrically coupled to the thermal fuse and structured to determine that a load power throughput of the motive electrical power path is low, and to inject a current across the thermal fuse in response to the load power throughput of the motive electrical power path being low; a voltage determination circuit electrically coupled to the thermal fuse and structured to determine at least one of an injected voltage amount and a thermal fuse impedance value; and wherein the current source circuit determines the load power throughput of the motive electrical power path is low in response to the vehicle being in a shutdown state.

    Arc fault detection modules for vehicle electrical systems
    19.
    发明授权
    Arc fault detection modules for vehicle electrical systems 有权

    公开(公告)号：US12241925B2

    公开(公告)日：2025-03-04

    申请号：US17789468

    申请日：2020-12-28

    Applicant: Eaton Intelligent Power Limited

    Inventor： Chaitanya Bhalwankar ,  Ritika Shetty ,  Brandon William Fisher ,  Kumar Prasad Telikepalli ,  Naresh Kumar Kodela

    IPC: G01R31/12 ,  G01R31/00

    Abstract: Arc fault detection modules for vehicles intended to supervise circuits and detect arc fault conditions in both alternating current and direct current circuits. A number of these arc fault detection modules may be integrated into a vehicle's electrical system in strategic locations. Each arc fault module contains sensing capabilities for monitoring the circuit, and may also include signal conditioning capabilities, processing capabilities for determining the occurrence of an arc fault, contactors for disabling the supervised circuit, and communications capabilities to interact with other vehicle components and telematics systems. As a result arc fault detection odules can be customized to leverage existing features of a vehicle's electrical system or to provide fully redundant arc fault protection.

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