VEHICLE TIRE AIR PRESSURE ADJUSTER Russian patent published in 2003 - IPC

FIELD: transport engineering. SUBSTANCE: proposed device contains pneumatic main line with receivers supplied by compressor, tire air pressure control valve, electromagnetic pneumatic valve microswitch contacts placed in valve control circuit and two-position distributor with pneumatic control and return spring, first output of distributor being connected to receivers, and second output to tire air pressure control valve. Control space is connected with output of electromagnetic pneumatic valve whose input is connected with receivers. Contacts of microswitch are coupled with drive of tire air pressure control valve. Device is furnished additionally with manual and mechanical switches, contact group and electromagnetic wheel pneumatic valves, first output of each valve being connected with tire space, and second, with tire air pressure control valve whose control drive is coupled with contacts of mechanical switch which, together with manual switch and contacts group, is placed in series with electric supply circuit of electromagnetic wheel pneumatic valves. EFFECT: improved cross-country capacity of vehicle, reduced load of power drive. 1 dwg