ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,854, issued on July 29, was assigned to ClearMotion Inc. (Billerica, Mass.).
"Frequency dependent pressure and/or flow fluctuation mitigation in hydraulic systems" was invented by Colin Patrick O'Shea (Cambridge, Mass.), Joseph Thomas Belter (Novi, Mich.) and Brian Alexander Selden (Concord, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Active suspension systems may include actuators with combinations of accumulators and flow restrictions. In some embodiments, methods and constructions may be implemented to mitigate pump ripple and/or resonances between different hydraulic components."
The patent was filed on July 22, 2022, under Application...