An automatic tire inflation-pressure regulating system for wheeled vehicles with pneumatic tires. The system has a system control assembly in the vehicle operator's compartment, control signal transmitter assemblies on the vehicle body in close proximity with each vehicle road wheel, and a tire pressure-regulating...http://www.google.fr/patents/US4582108?utm_source=gb-gplus-shareBrevet US4582108 - Tire inflation/deflation system
