US Patent Issued to Copeland Industrial on Feb. 10 for "Low ratio oil injection port for applications without the requirement of an oil pump" (Wisconsin Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,316, issued on Feb. 10, was assigned to Copeland Industrial LP (St. Louis).

"Low ratio oil injection port for applications without the requirement of an oil pump" was invented by Jean-Louis Picouet (Waukesha, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Screw compressors and screw compressor systems are disclosed in which the compressors include an oil injection port that injects oil into the compression chamber during a compression cycle. The oil injection port is located in an outer wall of the cylindrical bore within the compressor housing in which the main rotor is rotationally mounted. The oil injection port is located and configured to ...