ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,798, issued on Aug. 26, was assigned to KOMATSU LTD. (Tokyo).
"Lubrication system and planetary gear mechanism" was invented by Keita Naitou (Tokyo), Tetsuya Yamauchi (Tokyo) and Yuta Yamauchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A planetary gear mechanism has a helical gear. A lubrication system for the planetary gear mechanism includes a first lubricating oil supply path, a second lubricating oil supply path, and a controller. The first lubricating oil supply path is disposed on one side of the helical gear in a direction along a rotation axis of the helical gear. The first lubricating oil supply path is formed toward a tooth surf...