US Patent Issued to Minebea Mitsumi on Sept. 1 for "Fluid dynamic bearing system and spindle motor having such a bearing system" (German, Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,620, issued on Sept. 1, was assigned to Minebea Mitsumi Inc. (Nagano-ken, Japan).

"Fluid dynamic bearing system and spindle motor having such a bearing system" was invented by Atsushi Yanagawa (Nagano, Japan), Andreas Kull (Donaueschingen, Germany) and Thomas Fuss (Rottweil, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a fluid dynamic bearing system, comprising a bearing bush and a shaft rotatably supported in the bearing bush, wherein an annular pressure plate is arranged at the shaft and wherein a bearing gap is formed which is filled with a bearing fluid, and wherein at least one fluid dynamic axial bearing is f...