US Patent Issued to GUANGDONG CARRIER HVAC on Dec. 30 for "Control method and control device for electronic expansion valve and air source heat pump system" (Chinese Inventor)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,277, issued on Dec. 30, was assigned to GUANGDONG CARRIER HVAC Co. LTD. (Foshan, China).

"Control method and control device for electronic expansion valve and air source heat pump system" was invented by Zhenhua Liao (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control method and control device for an electronic expansion valve and an air source heat pump system. The control method includes obtaining a frequency of a compressor, calculating a target exhaust gas temperature according to the frequency, and controlling an opening degree of the electronic expansion valve according to the target exhaust gas temperature; and obtainin...