Integral air-conditioning system with solar assisted air source inter-critical carbon dioxide heat pump
Title：
Integral air-conditioning system with solar assisted air source inter-critical carbon dioxide heat pump
Application Number：
 200710062610
Application Date：
 2007/01/11
Announcement Date：
 2007/07/18
Pub. Date：
Publication Number：
 101000183
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 F25B 29/00F25B 9/00F25B 27/00
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Jiang Peixue, Sun Zhaohu, Wang Guoliang
Key Words：
 air-conditioning system, solar, air source, inter-critical, carbon dioxide, heat pump
Abstract：
 The invention discloses a solar-aided, air-source, trans-critical CO2 heat pump integrated air-conditioning system, belonging to the field of solar energy utilization and air conditioning technique, comprising CO2 heat pump (refrigerating) system, solar heat collecting system, indoor heat exchange system and outdoor heat exchange system, interconnected through three-way and four-way valves according system operation path. And for different weather conditions in the four seasons, it can adopt the five operating modes of heating, refrigeration, hot water, heating + hot water, and refrigeration + hot water, implementing hot water, cold and heat supply besides, by adopting CO2 as heat pump (refrigeration) working medium, it has advantages of high efficiency, saving energy and environmental protection, compactness, and low operation cost.
Claim：
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PCT：
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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







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