ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,291, issued on July 22, was assigned to Schaeffler Technologies AG & Co. KG (Herzogenaurach, Germany).
"Valve module with active valve oiling" was invented by Matthias Grenzhauser (Buhl, Germany) and Christopher Schneider (Bad Herrenalb, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The valve module can be installed regardless of an oil level, for example of an oil level of an oil sump of a motor vehicle. By means of a buffer volume having an overflow it is always guaranteed that a leakage flow conveyed past a valve piston includes no air but consists solely of hydraulic medium, since the overflow guarantees a level of hydraulic medium whic...