US Patent Issued to Parker-Hannifin on June 3 for "Air conditioning and heat pump system with bulbless thermostatic expansion valve" (Missouri Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,562, issued on June 3, was assigned to Parker-Hannifin Corp. (Cleveland).

"Air conditioning and heat pump system with bulbless thermostatic expansion valve" was invented by Dustin B. Searcy (Washington, Mo.) and Eric R. Coyle (Chesterfield, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A split reversible heat pump/air conditioning system employs a single, bulbless thermostatic expansion valve (TEV) that spans both the common liquid line and the suction line. The system includes a compressor that supplies a refrigerant flow along a refrigerant pathway; an indoor heat exchanger; an outdoor heat exchanger; a reversing valve located along the refrig...