发明申请
- 专利标题: ENERGY-FREE REFRIGERATION DOOR AND METHOD FOR MAKING THE SAME
- 专利标题(中): 无能的制冷门及其制造方法
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申请号: US12975821申请日: 2010-12-22
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公开(公告)号: US20110089802A1公开(公告)日: 2011-04-21
- 发明人: Christopher R. CORDING
- 申请人: Christopher R. CORDING
- 申请人地址: US GA Alpharetta
- 专利权人: AGC FLAT GLASS NORTH AMERICA, INC.
- 当前专利权人: AGC FLAT GLASS NORTH AMERICA, INC.
- 当前专利权人地址: US GA Alpharetta
- 主分类号: F25D23/02
- IPC分类号: F25D23/02
摘要:
The present invention provides a refrigeration door, and method for making the same, for controlling condensation, providing thermal insulation, with a desired amount of visible transmittance, without using electricity to heat the door. The energy-free refrigeration door of the present invention includes a door frame housing and an insulating glass unit comprising inner, middle and outer sheets of glass. A first sealant assembly disposed around the periphery of the inner and middle sheets of glass forms a first chamber between the inner and middle sheets of glass. A second sealant assembly disposed around the periphery of the middle and outer sheets of glass forms a second chamber between the middle and outer sheets of glass. A gas, such as krypton, air, or argon is held in the first and second chambers. The outer sheet of glass and inner sheet of glass each have an unexposed surface that faces the middle sheet of glass. A low emissivity coating is disposed on the unexposed surfaces of the inner and outer sheets of glass so that the glass door as a whole has a U value that prevents formation of condensation on the outer surface of the outer sheet of the glass door, without the application of electricity to heat the door, while also providing the desired evaporation rate of condensation from the inner side of the inner sheet of the glass door.
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