US Patent Issued to ABB on Sept. 8 for "Arrangement and method for sealing a propeller shaft of a marine vessel" (Finnish Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,975, issued on Sept. 8, was assigned to ABB Oy (Helsinki).

"Arrangement and method for sealing a propeller shaft of a marine vessel" was invented by Ari Turunen (Helsinki), Antti Kopsa (Espoo, Finland) and Aulis Ollikainen (Mantsala, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "An arrangement and a method for sealing a propeller shaft of a marine vessel. The arrangement includes a propeller shaft rotatable supported with at least one bearing, a bearing arrangement, a first lubrication arrangement including a first lubricant circulation line for conducting first lubricant to and from the bearing arrangement, a shaft seal arrangement for sea...