US Patent Issued to KS Kolbenschmidt on Jan. 28 for "Friction loss-reduced piston for an internal combustion engine" (German Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,551, issued on Jan. 28, was assigned to KS Kolbenschmidt GmbH (Neckarsulm, Germany).

"Friction loss-reduced piston for an internal combustion engine" was invented by Satoru Suyama (Neckarsulm, Germany), Yasuo Takashima (Neckarsulm, Germany), Yoshie Nonaka (Neckarsulm, Germany) and Takumi Yamamoto (Neckarsulm, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piston for an internal combustion engine, said piston having an upper piston portion (1) in which a ring zone (2) is located, and a piston lower part (3) having two opposing, load-carrying skirt wall sections (4,5) on the pressure- and counter-pressure sides of the piston adjoins the uppe...