ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,936, issued on Nov. 18, was assigned to ZF CV SYSTEMS EUROPE BV (Brussels).
"Twin chamber air dryer and pneumatic system" was invented by Adam Zawisza (Wroclaw, Poland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A twin chamber air dryer for a pneumatic system of a commercial vehicle comprises: a supply inlet port, a supply outlet, a compressor control outlet, and an exhaust outlet; a first desiccant cartridge and a second desiccant cartridge, to be operated alternately; a toggling valve assembly for switching between the first and second desiccant cartridges; a pneumatically controlled purge valve switchable between a blocking basic position and ...