ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,281, issued on July 1, was assigned to Dr. Ing. h.c. F. Porsche AG (Germany).
"Method for controlling a gear pump" was invented by Andreas Freuer (Ludwigsburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a gear pump by a control device to compensate a tooth engagement-induced volume flow pulsation to reduce noise emissions. The method includes acquiring a gear angle and an actual speed of the gear pump; keeping a relationship between a respective modulation angle and an amplitude of a pilot control torque of the gear pump to compensate the volume flow pulsation to an actual speed; modulating the pilot control torqu...