ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,052, issued on Feb. 18, was assigned to Tenneco Automotive Operating Co. Inc. (Lake Forest, Ill.).
"Suspension system with multiple working modes" was invented by Monzer Al Sakka (Sint-Truiden, Belgium) and Miguel Dhaens (Lommel, Belgium).
According to the abstract* released by the U.S. Patent & Trademark Office: "The active suspension system includes right and left dampers, a pump, and a control valve system. Each of the right and left dampers includes a damper housing, a piston rod, and a piston that is mounted on the piston rod. The piston is arranged in sliding engagement inside the damper housing such that the piston divides the damper housing into first and second working c...