ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,553, issued on March 24, was assigned to MAZDA MOTOR Corp. (Hiroshima, Japan).
"Oil passage structure for automatic transmission" was invented by Atsushi Nakano (Aki-gun, Japan), Yukio Sakata (Aki-gun, Japan) and Kota Morino (Aki-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oil passage structure includes an oil passage constituted by a first groove formed in a first wall and a second groove formed in a second wall. The first wall has a first recess recessed toward one side in an axial direction. The second wall has a second recess that is located at a position different from the first recess in a radial direction of a main shaft and...