To provide a hydraulic pressure control device capable of curbing generation of abnormal noise when an internal combustion engine is operated after executing an EV mode.SOLUTION: A tensioner 40 adjusts tensile force of a chain 16 using oil, discharged from an oil pump 54, with pressure thereof adjusted with an oil control valve 56. A CPU 82 calculates an amount of unintended rotation of a crank shaft 12 in an EV mode allowing a vehicle to travel only with drive force of a second motor generator 64. The CPU 82 makes the pressure of the oil supplied to the tensioner 40 higher when an internal combustion engine 10 is started up with the amount of rotation equal to or larger than a predetermined amount than when the amount of rotation is less than the predetermined amount.SELECTED DRAWING: Figure 1

    【課題】EVモードの実施後に内燃機関を稼働させる場合における異音の発生を抑制できるようにした油圧制御装置を提供する。【解決手段】テンショナ40は、オイルポンプ54から吐出されてオイルコントロールバルブ56によって圧力が調整されたオイルによって、チェーン16の張力を調整する。CPU82は、第2モータジェネレータ64の動力のみで車両を走行させるEVモードにおいて、クランク軸12の意図しない回転量を算出する。CPU82は、内燃機関10を始動させる場合、回転量が所定量以上となっている場合には、なっていない場合よりも、テンショナ40に供給されるオイルの圧力を高める。【選択図】図1


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    Title :

    HYDRAULIC PRESSURE CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE


    Additional title:

    内燃機関の油圧制御装置


    Contributors:

    Publication date :

    2023-03-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F01M Schmierung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , LUBRICATING OF MACHINES OR ENGINES IN GENERAL / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung / F16H Getriebe , GEARING



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