Clutch system and method for actuating a clutch system

A clutch system for a motor vehicle comprising:

• a friction clutch comprising a pressure plate, the friction clutch arranged for transmitting a torque between a torque admission element and a torque release element;
• a ramp system for axially displacing the pressure plate, the ramp system comprising:
• an input ramp;
• and,
• an output ramp, rotatable relative to the input ramp, for varying an axial extent of the ramp system as a result of a speed differential between the torque admission element and the torque release element;
• a driver coupled to the input ramp and supported so as to allow relative rotation on the torque admission element;
• and,
• a magnetic clutch for rotationally coupling the driver to the torque admission element, the magnetic clutch comprising:
• a permanent magnet;
• a soft-magnetic outer armature part arranged at least partially outside the permanent magnet;
• an armature disk:
• rotationally fixed and axially displaceable relative to the driver;
• and,
• displaceable by the permanent magnet for automatically closing the magnetic clutch;
• a solenoid for opening the magnetic clutch, the solenoid arranged for generating an electromagnetic field to repel the permanent magnet;
• a friction disk:
• coupled in a torque-transmitting manner to the torque admission element;
• and
• disposed axially between the armature disk and the solenoid for producing a frictional contact with the soft-magnetic outer armature part, wherein the permanent magnet is magnetically coupled to the soft-magnetic outer armature part.

A clutch system for a motor vehicle comprising:

• a friction clutch comprising a pressure plate, the friction clutch arranged for transmitting a torque between a torque admission element and a torque release element;
• a ramp system for axially displacing the pressure plate, the ramp system comprising:
• an input ramp;
• and,
• an output ramp, rotatable relative to the input ramp, for varying an axial extent of the ramp system as a result of a speed differential between the torque admission element and the torque release element;
• a driver coupled to the input ramp and supported so as to allow relative rotation on the torque admission element;
• and,
• a magnetic clutch for rotationally coupling the driver to the torque admission element, the magnetic clutch comprising:
• a permanent magnet;
• a soft-magnetic inner armature part arranged at least partially inside the permanent magnet;
• an armature disk:
• rotationally fixed and axially displaceable relative to the driver;
• and,
• displaceable by the permanent magnet for automatically closing the magnetic clutch;
• a solenoid for opening the magnetic clutch, the solenoid arranged for generating an electromagnetic field to repel the permanent magnet;
• a friction disk:
• coupled in a torque-transmitting manner to the torque admission element;
• and
• disposed axially between the armature disk and the solenoid for producing a frictional contact with the soft-magnetic inner armature part, wherein the permanent magnet is magnetically coupled to the soft-magnetic inner armature part.