ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,318, issued on Feb. 10, was assigned to OET GMBH (Lustenau, Austria).
"Positive displacement machine based on the spiral principle" was invented by Christian Busch (Feldkirch, Austria), Roman Lasser (Wolfurt, Austria) and Dominik Brosi (Dornbirn, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a positive displacement machine working according to the spiral principle, in particular a scroll compressor, comprising a compressor section and a motor section, wherein an orbiting displacement spiral and a counter spiral are arranged in the compressor section, which engage into one another in such a way that variable compress...