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    Spark plug configurations for dedicated-EGR engines
    4.
    发明授权
    Spark plug configurations for dedicated-EGR engines 有权

    公开(公告)号：US11519348B2

    公开(公告)日：2022-12-06

    申请号：US16675600

    申请日：2019-11-06

    申请人： Cummins Inc.

    发明人： J. Steven Kolhouse ,  David J. Stroh ,  Daniel J. O'Connor

    IPC分类号： F02M26/42 ,  F02D41/14 ,  F02P15/02 ,  H01T13/20 ,  F02B75/20 ,  F02D41/00 ,  F02M26/29 ,  F02B75/18

    摘要： One embodiment is a system comprising an internal combustion engine having one or more non-dedicated cylinders and one or more dedicated EGR cylinders configured to provide EGR to the engine via an EGR loop, a first spark plug coupled to each of the one or more non-dedicated cylinders, and a second spark plug coupled to each of the one or more dedicated EGR cylinders, wherein the second spark plug has a physical or dimensional characteristic that is different from the first spark plug. In certain forms each of the non-dedicated cylinders has only one of a first type of spark plug and each of the dedicated EGR cylinders has only one of a second type of spark plug. One or more of the characteristics that may vary between the first and second types of spark plugs include spark gap, electrode diameter, heat range, and ion sensing capability.

    APPARATUS AND SYSTEM FOR DUAL IGNITION SOURCES FOR A VEHICLE
    5.
    发明申请
    APPARATUS AND SYSTEM FOR DUAL IGNITION SOURCES FOR A VEHICLE 审中-公开

    公开(公告)号：US20200309083A1

    公开(公告)日：2020-10-01

    申请号：US16902537

    申请日：2020-06-16

    申请人： Cummins Inc.

    发明人： Daniel J. O'Connor ,  Robin J. Bremmer ,  J. Steven Kolhouse

    IPC分类号： F02P5/152 ,  F02P17/12 ,  F02P5/15 ,  F02P11/06 ,  F02B1/06 ,  F02B19/12

    摘要： Apparatuses, methods, and systems for igniting fuel for an internal combustion engine, an ignition system include a first ignition device associated with a pre-combustion chamber of a cylinder and a second ignition device associated with a main combustion chamber of the cylinder. An engine control unit is operably connected to both the engine and the ignition system to ignite fuel for the cylinder with the first ignition device independently of igniting fuel with the second ignition device. The engine control unit determines an occurrence of a combustion condition and in response thereto (i) ignites fuel for combustion with both the first and the second ignition devices or (ii) ignites fuel for combustion only with the second ignition device. The engine control unit determines a second combustion condition and in response thereto ignites fuel only with the first ignition device.

    Apparatus and system for dual ignition sources for a vehicle
    8.
    发明授权
    Apparatus and system for dual ignition sources for a vehicle 有权

    公开(公告)号：US11118555B2

    公开(公告)日：2021-09-14

    申请号：US16902537

    申请日：2020-06-16

    申请人： Cummins Inc.

    发明人： Daniel J. O'Connor ,  Robin J. Bremmer ,  J. Steven Kolhouse

    IPC分类号： F02B19/10 ,  F02B23/08 ,  F02P11/00 ,  F02P15/08 ,  F02P5/152 ,  F02B1/06 ,  F02B19/12 ,  F02P5/15 ,  F02P11/06 ,  F02P17/12 ,  F02P15/00

    摘要： Apparatuses, methods, and systems for igniting fuel for an internal combustion engine, an ignition system include a first ignition device associated with a pre-combustion chamber of a cylinder and a second ignition device associated with a main combustion chamber of the cylinder. An engine control unit is operably connected to both the engine and the ignition system to ignite fuel for the cylinder with the first ignition device independently of igniting fuel with the second ignition device. The engine control unit determines an occurrence of a combustion condition and in response thereto (i) ignites fuel for combustion with both the first and the second ignition devices or (ii) ignites fuel for combustion only with the second ignition device. The engine control unit determines a second combustion condition and in response thereto ignites fuel only with the first ignition device.