Inventor
LUO RONGBANG
CN3 patents
Patents
3 patentsUS10828965B2Nov 10, 2020
Method of adjusting electronic expansion valve of air conditioner
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD4 citations67
US10976089B2Apr 13, 2021
Method of controlling electronic expansion valve of air-conditioner
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD0 citations48
US11604016B2Mar 14, 2023
Method of adjusting electronic expansion valve of outdoor unit of air-conditioner
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD0 citations46