Magnetorheological braking device, in particular operating apparatus

A magnetorheological braking device for braking rotational movements, the magnetorheological braking device comprising:

• an axle unit and a rotating member rotatably mounted about said axle unit;
• a magnetorheological braking apparatus configured to brake a rotatability of said rotating member in a targeted manner, said magnetorheological braking apparatus including a coil unit for generating a magnetic field;
• a sensor apparatus for detecting a rotary position of said rotating member, said sensor apparatus having at least one magnetic ring unit and at least one magnetic field sensor for detecting a magnetic field of said magnetic ring unit;
• a shielding apparatus for at least partially shielding said sensor apparatus from the magnetic field of said coil unit of said braking device;
• said shielding apparatus having at least one shielding member, which, at least in portions, surrounds said magnetic ring unit, and at least one separation unit disposed between said shielding member and said magnetic ring unit and having a magnetic conductivity which is less by a multiple than a magnetic conductivity of said shielding member;
• a mounting apparatus disposed to connect said shielding apparatus to said rotating member at least partially in a rotationally fixed manner;
• and
• said shielding apparatus having at least one magnetic decoupling apparatus disposed between said shielding member and said rotating member, said decoupling apparatus having a magnetic conductivity which is less by a multiple than a magnetic conductivity of said shielding member, and said decoupling apparatus is at least in part provided by said mounting apparatus.