US Patent Issued to Trane International on July 14 for "Devices, systems, and methods for controlling liquid levels using isolation resistance" (Wisconsin, Minnesota Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,509, issued on July 14, was assigned to Trane International Inc. (Davidson, N.C.).

"Devices, systems, and methods for controlling liquid levels using isolation resistance" was invented by Eric S. Mlsna (Cashton, Wis.) and Jonathan Rollier (Chanhassen, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, systems, and methods are disclosed for reducing leakage current in compressors, such as for heating, ventilation, and air conditioning, and refrigeration (HVAC/HVACR) systems. Several embodiments include a sensor for measuring the isolation resistance of an enclosure of a compressor. The sensor can be electronically coupled to a controller t...