Central air conditioning system

Application Number: 00110874
Application Date: 2000.01.28
Publication Number: 1264020
Publication Date: 2000.08.23
Priority Information:
International: F24F5/00
Applicant(s) Name: Fuerda Thermal Engineering Co., Ltd., Haiyang City
Inventor(s) Name: Wang Fumin
Patent Agency Code: 37102
Patent Agent: wang zuyu
Abstract A central air conditioning systm is composed of energy collecting and releasing cyclic system, working medium circulation system, and heating-refrigerating switching system. Said energy collecting and relealing cyclic system consists of pipeline for lifting underground water and evaporator. Said working medium circulation system is composed of evaporator, condensator, compressor, intermediate heat exchanger, liquid collecting tank, filter, liquid mirror, electromagnetic valve and expansion valve. Said heating-refrigerating switching system consists of two groups of 8 ordinary valves. Its advantages are high reliability and convenient maintenance.