US Patent Issued to OET on March 18 for "Positive displacement machine, method, vehicle air conditioning system, and vehicle" (Austrian Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,080, issued on March 18, was assigned to OET GmbH (Lustenau, Austria).

"Positive displacement machine, method, vehicle air conditioning system, and vehicle" was invented by Christian Busch (Feldkirch, Austria), Jochen Bont (Feldkirch, Austria), Markus Ottl (Lustenau, Austria) and Roman Lasser (Wolfurt, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a scroll-type positive displacement machine, in particular a scroll compressor, comprising a highpressure chamber (11), a low-pressure chamber (12), an orbiting displacement spiral (13), a counter spiral (14), and a counterpressure chamber (15) which is located between th...