To provide an actuator capable of preventing damage inside a cylinder.SOLUTION: A two-way piston 50 includes: a cylinder 51 having an opening part 51a; a piston 52; and a stroke sensor 53 configured to detect a position of the piston 52. The stroke sensor 53 has: a stay 53a extending from a portion exposed from the opening part 51a, of the piston 52 to the outside of the cylinder 51; a detection target member 53b attached to the stay 53a; and a sensor 53c configured to detect a position of the detection target member 53b. The piston 52 has, at the portion exposed from the opening part 51a, a fixation hole having a smaller depth than a diameter of the piston 52. The stay 53a is fixed by a bolt 53a3 inserted into the fixation hole.SELECTED DRAWING: Figure 10

    【課題】シリンダの内部に傷がつくことを防止することができるアクチュエータを提供する。【解決手段】ツーウェイピストン50は、開口部51aを有するシリンダ51と、ピストン52と、ピストン52の位置を検知するストロークセンサ53とを備える。ストロークセンサ53は、ピストン52の開口部51aから露出する部分からシリンダ51の外部まで延びるステー53aと、ステー53aに取り付けられた被検知部材53bと、被検知部材53bの位置を検知するセンサ53cとを有する。ピストン52は、開口部51aから露出する部分に、ピストン52の径よりも小さい深さの固定穴を有する。ステー53aは、固定穴に挿入されるボルト53a3で固定される。【選択図】図10


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    Title :

    ACTUATOR AND HYDRAULIC PRESSURE CONTROL CIRCUIT HAVING THE SAME


    Additional title:

    アクチュエータ及びそれを備えた流体圧制御回路


    Contributors:

    Publication date :

    2018-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / F16H Getriebe , GEARING



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