Heat pump air conditioners suitable for cold area |
Title: |
Heat pump air conditioners suitable for cold area |
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Application Number: |
01109633 |
Application Date: |
2001/03/14 |
Announcement Date: |
2002/10/16 |
Pub. Date: |
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Publication Number: |
1374482 |
Announcement Number: |
1133047 |
Grant Date: |
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Granted Pub. Date: |
2003-12-31 |
ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
F24F 3/06, F25B 30/02 |
Applicant(s): |
Tsinghua Tongfang Co., Ltd. |
Inventor(s): |
Ma Guoyuan, Yan Qisen, Jiang Yi |
Key Words: |
Heat pump, air conditioners, cold area |
Abstract: |
The heat pump air conditioner suitable for cold area includes compressor, condensator, expansion valve and evaporator to constitute enclosed circular loop. Structurally, the present invention features that the said compressor is a vortex compressor with auxiliary air inlet in the air inlet end, and the one super-cooler is connected serially between the condensator and the expansion valve and one auxiliary air feeding loop for the compressor is formed by solenoid valve, electronic expansion valve and super-cooler. Compared with avaiable technology, the present invention has the features of simple structure, easy production and installation, high energy utilization, low cost and reliable running in low temperature environment, and may be used widely. |
Claim: |
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Priority: |
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PCT: |
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LegalStatus: |
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