US Patent Issued to DANFOSS on June 9 for "Four-way reversing valve for a high capacity reversible heat pump compressor" (Danish Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,650,254, issued on June 9, was assigned to DANFOSS A/S (Nordborg, Denmark).

"Four-way reversing valve for a high capacity reversible heat pump compressor" was invented by Johan Van Beek (Almind, Denmark), Michael Birkelund (Middelfart, Denmark) and Uwe Maywald (Nordborg, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A four-way reversing valve for a high capacity reversible heat pump compressor includes a housing with four ports, namely a discharge port, a suction port, an evaporator port and a condenser port. It further includes a conically shaped rotor provided rotatably inside the housing for varying flow paths between the four ports, wherein ...