US Patent Issued to TYCO FIRE & SECURITY on Sept. 30 for "Volume ratio control system for a compressor" (Pennsylvania, Virginia, Michigan Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,052, issued on Sept. 30, was assigned to TYCO FIRE & SECURITY GMBH (Neuhausen am Rheinfall, Switzerland).

"Volume ratio control system for a compressor" was invented by Paul Nemit Jr. (Greencastle, Pa.), Angela Marie Comstock (Roanoke, Va.), Franklin Aaron Montejo (York, Pa.) and Colin Campbell (Auburn Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A volume ratio control system for a compressor includes a chamber formed within a housing of the compressor, where the chamber is in fluid communication with a high pressure side of the compressor, a piston disposed within the chamber, where the piston includes a cavity in fluid communicatio...