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    SYSTEMS AND METHODS FOR POWER MANAGEMENT USING ADAPTIVE POWER SPLIT RATIO
    1.
    发明申请
    SYSTEMS AND METHODS FOR POWER MANAGEMENT USING ADAPTIVE POWER SPLIT RATIO 有权

    公开(公告)号：US20220001850A1

    公开(公告)日：2022-01-06

    申请号：US16918481

    申请日：2020-07-01

    Applicant: Cummins Inc.

    Inventor： Kesavan Ramakrishnan ,  Vaidehi Y. Hoshing

    IPC: B60W20/16 ,  B60W10/06 ,  B60W10/08 ,  F01N11/00 ,  G01C21/34

    Abstract: Methods and systems of power management in a hybrid vehicle are disclosed. A control system of the hybrid vehicle obtains battery temperature and catalyst temperature. The control system determines (a) whether the battery temperature is within an optimal battery temperature range and (b) whether the catalyst temperature is within an optimal catalyst temperature range. The control system determines a power split ratio (PSR) based on the determination of (a) and (b). The control system controls the engine and the motor-generator based on the determined PSR.

    MULTI-WHEEL DRIVE HYBRID VEHICLE WITH MULTI-MODE FUNCTIONALITY
    2.
    发明公开
    MULTI-WHEEL DRIVE HYBRID VEHICLE WITH MULTI-MODE FUNCTIONALITY 审中-公开

    公开(公告)号：US20230365120A1

    公开(公告)日：2023-11-16

    申请号：US18018955

    申请日：2021-05-25

    Applicant: Cummins Inc

    Inventor： Kesavan Ramakrishnan ,  Manik Narula

    IPC: B60W20/20 ,  B60W20/14 ,  B60W10/02 ,  B60W30/18

    CPC classification number: B60W20/20 ,  B60W20/14 ,  B60W10/02 ,  B60W30/18127 ,  B60W2556/50 ,  B60W2520/28

    Abstract: The present disclosures relate to methods and systems for a hybrid powertrain. The hybrid powertrain system includes an integrated axle configured to provide mechanical power to a first pair of wheels, the integrated axle comprising a first motor-generator and a first drive axle such that the first motor-generator and at least a portion of the first drive axle are mechanically coupled to a common housing. The system also includes a second motor-generator configured to be mechanically coupled with an engine via a first clutch and mechanically coupled with a second drive axle via a second clutch, the second drive axle mechanically coupled with a second pair of wheels. A controller is electrically coupled with the first and second motor-generators, the engine, and the first and second clutches, the controller configured to enable a fully electric mode, a series hybrid mode, a parallel hybrid mode, and a regenerative mode of operation.

    Hybrid system emissions management
    3.
    发明授权
    Hybrid system emissions management 有权

    公开(公告)号：US12275387B2

    公开(公告)日：2025-04-15

    申请号：US18014403

    申请日：2021-05-27

    Applicant: Cummins Inc.

    Inventor： Bijesh M. Shakya ,  Kesavan Ramakrishnan

    IPC: B60W10/08 ,  B60W10/06 ,  B60W10/26 ,  F01N11/00 ,  F02D29/02 ,  F02D41/02 ,  F02D41/06 ,  B60W20/16

    Abstract: Emissions management systems for engines in hybrid systems include a sensor assembly and a controller. Sensor assembly is configured to provide an activation signal in response to an engine start event and to detect emissions information, including information indicative of an engine power, a driver demanded power, a catalyst temperature, a battery state of charge, and a battery temperature. Controller communicates with sensor assembly and is configured to: receive activation signal and, in response, emissions information from sensor assembly; determine an emissions reduction mode having a threshold value for catalyst temperature and having an engine power corresponding thereto; monitor emissions information; compare catalyst temperature to threshold value; cause the engine to operate in emissions reduction mode while catalyst temperature is less than threshold value; and allow the engine to operate in a normal operation mode while catalyst temperature is greater than or equal to the threshold value.

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