ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,943, issued on April 7, was assigned to Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).
"Economizer port valve" was invented by Michael Hemi Zamalis (Mount Sidney, Va.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor of a heating, ventilation, and air conditioning (HVAC) system includes a casing having an inner volume and an inner surface defining the inner volume, where the inner volume is configured to accommodate a rotor therein. The compressor also includes an economizer port formed in the casing and configured to inject a flow of fluid into the inner volume and a valve disposed within the economizer port and configur...