Yao Yang's Approved Invention Patents (Part)

No. Name PatentNo. Note 1 Defrosting System of Energy Storage Air Source Heat Pump ZL200510009975.1+0no. 1 inventor 2 cold zone sewage treatment-primary sewage heat pump system ZL 2005 100 10384.6No. 1 inventor 3. Air-to-air heat pump unit ZL200510010550.2No.1Inventor 4 Road and bridge pavement cooling and deicing device using underground natural energy ZL200610/51004.5 seconds Inventor 5-plate heat exchanger. Heater sewage source heat pump system ZL200710072537.9No.1Inventor 6 Integrated system of three-tube energy storage solar energy and air source heat pump ZL2007100720510/Inventor 7 Dry shell-and-tube heat exchanger ZL2008/KLOC-0.