ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,411, issued on May 27, was assigned to ZF CV SYSTEMS EUROPE BV (Brussels).
"Cleaning device, compressed air system and cleaning method for supplying a medium pulse to a surface and corresponding control system and vehicle" was invented by Jan Cohrs (Hannover, Germany) and Jan Fiebrandt (Hannover, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning device for supplying a medium pulse to a surface includes a pressure cylinder having a pressure connection, a medium connection, and a first nozzle connection. The volume of the pressure cylinder is divided into a first medium chamber and a second medium chamber and volumes thereof are config...