US Patent Issued to TRANE INTERNATIONAL on May 6 for "Refrigerant circuit compressor gas bearing feed" (Wisconsin, Minnesota Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,219, issued on May 6, was assigned to TRANE INTERNATIONAL INC. (Davidson, N.C.).

"Refrigerant circuit compressor gas bearing feed" was invented by Jacob T. Helgerson (La Crosse, Wis.), Jay H. Johnson (Houston, Minn.) and Robert S. Bakkestuen (West Salem, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is described for operating a refrigerant circuit that includes a compressor with a driveshaft and one or more gas bearings for supporting the driveshaft. The method includes operating the refrigerant circuit in a first mode which includes supplying gaseous working fluid compressed by the compressor to the one or more gas bearings of the co...