ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,131, issued on Dec. 30.
"Torsional vibration damper" was invented by Michael Steidl (Berlin) and Stephan Bohmeyer (Hoppegarten, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A torsional vibration damper has a hub part (primary mass) that is able to be fastened to a driveshaft of a motor, and an inertia ring (secondary mass) that surrounds the hub part in the radially outer region, wherein a fluid-filled gap and sealing devices, by which the escape of the fluid is intended to be avoided, are provided between the hub part and inertia ring. The sealing devices each have a first ring, tightly connected to the hub part, and each have a second ri...