US Patent Issued to Steerprop on Sept. 15 for "Oil filtration and lubrication system for sealing system of azimuth thruster" (Finnish Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,165, issued on Sept. 15, was assigned to Steerprop Oy (Rauma, Finland).

"Oil filtration and lubrication system for sealing system of azimuth thruster" was invented by Jarkko Sirrola (Rauma, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an oil filtration and lubrication system for a sealing system of an azimuth thruster, oil filtration and lubrication system includes oil filter comprising layers of filter material, layers being arranged within oil filtration chamber, have predefined distance therebetween; and oil circulation arrangement, when system is in use, oil circulation arrangement enables passage of unfiltered oil betwee...