APERFEICOAMENTO EM UM SISTEMA AUTOMATICO PARA ENCHER PNEUMATICOS APARELHO PARA MODIFICAR UM CONJUNTO DE RODA CONVENCIONAL PARA USO COM ESTE SISTEMA ESTOJO PARA REEQUIPAR VEICULOS PARA INCLUIR UM TAL SISTEMA CUBO PARA UM VEICULO E SISTEMA CENTRAL DE ENCHIMENTO DE PNEUMATICOS

摘要

An automatic tire inflation/deflation system for a vehicle (10) is disclosed. Air passageways for the pressurize air are provided internally through the wheel assemblies without cutting into load bearing members. A rotating seal is provided by way of a pair of sealing rings (52, 54) located inboard of the hub bearings (32, 33) to protect the seals from adverse environmental conditions. A kit for retrofitting vehicles to include an automatic tire inflation/deflation system is also disclosed. Ramp surfaces (90, 91, 92) formed in the hub (30') are provided to facilitate removal of the bearing assemblies (32, 33).