ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,821, issued on Nov. 11.
"Method for determining a life condition of a vibration damper or absorber, and arrangement for carrying out such a method" was invented by Michael Steidl (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method determines a service life condition of a torsional vibration damper or absorber having a primary mass and a secondary mass, and a working chamber arranged between the primary mass and the secondary mass that is filled with a viscous damping medium. The vibration damper is arranged on a crankshaft of an engine in order to dampen or eliminate torsional vibrations of this crankshaft. The method includes: operating...