| 摘要 |
The control apparatus for braking valves for operating machines includes a fluid valve having a control cursor for distributing the operating fluid, a control mechanism of the cursor that can be operated by an operator, sensor device sensitive to variations in the magnetic field and suitable for detecting the position of at least one between the control mechanism and the cursor, magnetic assembly operatively connected to between the control mechanism and the cursor for enabling the sensor device. The magnetic assembly includes a magnetic element which is arranged mobile inside a seat obtained in a support permeable to the magnetic field. The magnetic assembly also includes a sustaining element fitted for rotation in the seat and having a first extremity, that can be operated, in rotation, by the motion of the cursor and the control mechanism, A second extremity is associated with a magnetic element.
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