VEHICLE TIRE AIR PRESSURE ADJUSTMENT SYSTEM (VERSIONS) Russian patent published in 2008 - IPC B60C23/00 

FIELD: transport.

SUBSTANCE: system incorporates a head feeding air to tires and communicating, via air lines, with the working medium source and tire space. It is arranged on the wheel drive comprising a cardan shaft. In compliance with the first version, the head feeding air to the tires communicates with the tire space via spherical seals attached on every side of the cardan shaft. The spherical seals are made up of two semi-spheres, an inner and an outer one, fitted tightly on the flanges and the cardan shaft main shafts to form leakproof spaces. In compliance with the second version, air is forced onto the tires via the cardan shaft spiders furnished with internal central air channels. For this, two channels of one of the said spiders communicate, via connecting lines, with the working power source, while two channels of the other spider communicate, via air channel and air pipeline, with the vehicle tire, the channels perpendicular to the above ones of both spiders being connected by telescopic compensators or flexible pipelines allowing balancing the cardan shaft length variations.

EFFECT: higher reliability, simpler repair and servicing of the aforesaid air adjustment system.

3 cl, 6 dwg