Nut, in Particular Wheel or Axle Nut, Washer, Control Device for Wheel or Axle Nuts in Vehicles and Vehicle Provided Therewith

A washer for wheel nuts or axle nuts for vehicles, having a disc body, having a central hole, having a peripheral wall, having an abutment face on a lower side of the disc body and having an abutment face on an upper side of the disc body, wherein at least one recess, in which a sensor element is arranged, wherein the sensor element is connected to a wireless interface which is configured to transmit a sensor signal of the sensor element wirelessly to an external reception unit.

A control device for wheel or axle nuts in vehicles which have at least one wheel bearing which is fixed to a vehicle axle by means of an axle nut and/or at least one vehicle wheel which is fixed to a wheel bearing by means of a wheel nut and which are provided with an on-board electronic system, via which information from sensor elements are displayable for the vehicle driver, wherein the wheel nut and/or the axle nut are provided with a nut body, a central threaded hole, a peripheral wall, an abutment face at a lower side of the nut and a plurality of wrench faces at the peripheral wall of the nut body for tightening or releasing the nut by means of a tool which cooperates with the wrench faces, characterised in that the wheel nut and/or the axle nut or a washer cooperating therewith has at least one recess in the peripheral wall in which a sensor element is arranged, wherein the sensor element is connected to a wireless interface which is configured to transmit a sensor signal of the sensor element wirelessly to an external reception unit which is connected to the on-board electronic system.