ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,913, issued on Oct. 21, was assigned to Innio Jenbacher GmbH & Co OG (Jenbach, Austria).
"Pre-chamber assembly" was invented by Wolfgang Fimml (Maurach in Tirol, Austria), Rafal Pyszczek (Warsaw, Poland), Tobias Triendl (Rinn, Austria), Nikolaus Spyra (Innsbruck, Austria) and Philipp Volgger (Innsbruck, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pre-chamber assembly of an internal combustion engine includes a supply channel configured to supply air and fuel into a pre-chamber, at least one transfer passage configured to couple the pre-chamber with a main combustion chamber, and a riser passage between the pre-chamber and the transfer p...