Inventor
YU ZEHANG
CN3 patents
Patents
3 patentsUS12438357B2Oct 7, 2025
Power failure detection circuit and control circuit for VRF system
CARRIER CORP0 citations57
US12407183B2Sep 2, 2025
Battery pack, air conditioning system, and method for the same
CARRIER CORP0 citations47
US12595941B2Apr 7, 2026
Heat pump system and control method thereof
CARRIER CORP0 citations44