ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,436, issued on Feb. 17, was assigned to GARDNER DENVER DEUTSCHLAND GMBH (Bad Neustadt, Germany).
"Method for controlling a rotary screw compressor" was invented by Ulrich Thomes (Kuelz, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for controlling a rotary screw compressor, having at least a first and a second air-end, wherein both air-ends are driven separately from one another and speed controlled. According to the invention, the following steps are carried out: detection of a volume flow taken at the outlet of the second air-end; adjustment of the rotational speed of both air-ends, when the removed volum...