ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,668, issued on June 17, was assigned to SUZUKI MOTOR Corp. (Hamamatsu, Japan).
"Variable valve device" was invented by Hisashi Ozeki (Hamamatsu, Japan) and Yuuta Kagawa (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A variable valve device includes a pair of cam housings separated from each other in a predetermined direction, a pair of rocker shafts supported by the pair of cam housings, a plurality of rocker arms supported by the pair of rocker shafts in a swingable manner, a switching mechanism that couples and separates intake arms, and an upper housing on the pair of cam housings. The upper housing is formed with a first inject...