Arrangement comprising a wheel and a device for filling or deflating a tire of a vehicle, especially of a tractor

A wheel arrangement comprising:

• a wheel having a wheel rim for receiving a tire fillable with air, said rim having a first connecting port for the passage of air, a wheel center member for attaching the wheel rim with a connecting wheel flange of a vehicle;
• a device for filling or deflating the tire, said device comprising a housing fixed to the wheel center member;
• a bore and a second connecting port;
• a pipe connecting the first connecting port to the second connecting port;
• an inner member rotatably received in the bore of the housing, a third connecting port for connection by connection means to a pressure generator, and retaining means for providing stationary support of the inner member on the vehicle, a control valve coupled with the second connecting port, an annular chamber connected with the second connecting port and the third connecting port, said annular chamber formed between the housing and the inner member, and said third connecting port connected, via a coupling, to a pipe leading to the pressure generator and a main valve and said third connecting port is connected to a connecting pipe, said connecting pipe also serves as one of the retaining means and is connectable to a holder as a torque support on the side of the vehicle.