ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,477, issued on Nov. 25, was assigned to Siemens Gamesa Renewable Energy A/S (Brande, Denmark).
"Main bearing unit" was invented by Andreas Rogg (Hamburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A main bearing unit of a wind turbine drivetrain is provided, including a number of bearings arranged about a low-speed shaft of the drivetrain; a housing arranged to enclose the bearings; a preload ring arranged between an inner surface of the housing and the outer race of a bearing, which preload ring is adapted to facilitate its axial displacement during a bearing preload reinstatement procedure; and a fastener for fixing the position of the...