A negative pressure sensor abnormality detection apparatus includes a negative pressure sensor that outputs a signal corresponding to a negative pressure that a negative pressure pump generates, the negative pressure assisting a vehicle driver's brake operation; a negative pressure detection part that detects the negative pressure based on the signal that is output by the negative pressure sensor; a number-of-rotations counting part that counts the number of rotations of the negative pressure pump; and an abnormality determination part that determines that the negative pressure sensor is in an abnormal condition if, under a condition where a change in the driver's brake operation falls within a predetermined range, a change in the negative pressure detected by the negative pressure detection part along with an increase in the number of rotations counted by the number-of-rotations counting part is out of a predetermined range.


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    Title :

    Negative pressure sensor abnormality detection apparatus, control apparatus for internal combustion engine and control system


    Contributors:

    Publication date :

    2016-12-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen





    Negative pressure abnormality detection apparatus and control apparatus for internal combustion engine

    SHIMOSE FUMICHIKA / KATO HIROKAZU / KAKEHI JUNPEI | European Patent Office | 2017

    Free access

    NEGATIVE PRESSURE SENSOR ABNORMALITY DETECTION DEVICE AND CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE

    KAKEI JUNPEI / MORIYA TAKANORI | European Patent Office | 2016

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    NEGATIVE PRESSURE ABNORMALITY DETECTOR AND INTERNAL COMBUSTION ENGINE CONTROLLER

    SHIMOSE FUMICHIKA / KATO HIROKAZU / KAKEI JUNPEI | European Patent Office | 2016

    Free access