PROBLEM TO BE SOLVED: To improve the practicability of a pressure regulation system including a spool valve type pressure regulator, a boosting linear valve for adjusting the pilot pressure of the pressure regulator in order to adjust supply pressure being the pressure of a working fluid which is supplied from the pressure regulator, and a decompression linear valve.SOLUTION: At least either of a supply current Ito a boosting linear valve at a start of a boosting process, and a supply current Ito a decompression linear valve at a start of a decompression process is switched depending on whether or not a process succeeding to these processes is the boosting process or the decompression process. Concretely, when the started process and a preceding process are the same, the supply current is decided following an anterograde boosting characteristic or an anterograde decompression characteristic, and when the processes are not the same, the supply current is decided following a retrograde boosting characteristic or a retrograde decompression characteristic. Even if the started process is accompanied by the movement of a spool, supply pressure Pcan be properly controlled.SELECTED DRAWING: Figure 5

    【課題】 スプール弁式調圧器と、その調圧器から供給される作動液の圧力である供給圧を調整すべく、その調圧器のパイロット圧を調整するための増圧リニア弁および減圧リニア弁とを含んで構成される調圧システムの実用性を向上させる。【解決手段】 増圧過程が開始される場合の増圧リニア弁への供給電流IAと、減圧過程が開始される場合の減圧リニア弁への供給電流IRとの少なくとも一方を、それらの過程に先行する過程が増圧過程であるか減圧過程にあるかによって切り換える。具体的には、開始される過程と先行する過程が同じ場合には、順行増圧特性若しくは順行減圧特性に従って、異なる場合には、逆転増圧特性若しくは逆転減圧特性に従って、供給電流を決定する。開始される過程がスプールの移動を伴う場合であっても、供給圧PSRVを適切に制御することができる。【選択図】 図5


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    Titel :

    PRESSURE REGULATION SYSTEM, VEHICLE FLUID PRESSURE BRAKE SYSTEM HAVING THE PRESSURE REGULATION SYSTEM AND PRESSURE REGULATION CHARACTERISTIC ACQUISITION METHOD IN THE PRESSURE REGULATION SYSTEM


    Weitere Titelangaben:

    調圧システム、その調圧システムを備えた車両用液圧ブレーキシステムおよびその調圧システムにおける調圧特性取得方法


    Beteiligte:
    OKUBO KATSUYASU (Autor:in) / NAKADA DAISUKE (Autor:in) / KAMIYA YUSUKE (Autor:in)

    Erscheinungsdatum :

    2017-04-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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