US Patent Issued to Danfoss Commercial Compressors on July 28 for "Variable-speed refrigerating scroll compressor with an oil flow regulating device" (French Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,864, issued on July 28, was assigned to Danfoss Commercial Compressors (Reyrieux, France).

"Variable-speed refrigerating scroll compressor with an oil flow regulating device" was invented by Remi Bou Dargham (Villeurbanne, France) and Arnaud Daussin (Trevoux, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A scroll compressor comprising a compressor casing; a compression unit including a fixed scroll and an orbiting scroll defining a compression volume; an oil sump; a drive shaft including a driving portion coupled with the orbiting scroll; a variable-speed electric motor configured to rotatably drive the drive shaft; an oil injection system i...