ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,629, issued on July 15, was assigned to Almir Goncalves Pereira (Juiz de Fora, Brazil).
"Variable compression ratio device" was invented by Almir Goncalves Pereira (Juiz de Fora, Brazil) and Paulo Roberto de Oliveira (Juiz de Fora, Brazil).
According to the abstract* released by the U.S. Patent & Trademark Office: "A variable compression ratio device is configured to be incorporated into an internal combustion engine. The internal combustion engine includes one or more cylinders housing pistons that are coupled to a crankshaft. The variable compression ratio device includes a rotation coupler assembly formed by gears that have internal and external teeth, the rotation coupler ass...