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    • 6. 再颁专利
    • Leak detection in heating ventilating and air conditioning systems using
an environmentally safe material
    • 使用环境安全材料的加热通风和空调系统中的泄漏检测
    • USRE35370E
    • 1996-11-05
    • US519362
    • 1995-08-25
    • Richard G. Henry
    • Richard G. Henry
    • G01M3/20G01M3/38G01N37/00
    • G01M3/20G01M3/38
    • The present invention rleates to the effective leak detection of refrigerants by the addition of dyes from the general chemical class of naphthalimide fluorescent dyes in a refrigeration system where said refrigeration system employs alone, or in combination, a refrigerant in a hermetic system such as, but not limited to, chlorofluorocarbons (CFC), hydrochlorofluorocarbons (HCFC), hydrofluorocarbons (HFC) and any hydrogen, halogenated or ether derivatives of the methane, hydrogen, halogenated, ether or cyclic derivatives of either ethane, propane, butane, pentane, mixtures of HCFC, HFC, hydrocarbons, carbon dioxide and ammonia.Leakage is determined by inspection of the sealed system using a lamp having an emission wavelength from 300 to 480 nanometers providing an indication of any system leakage.
    • 本发明通过在制冷系统中由萘二甲酰亚胺荧光染料的一般化学类别加入染料而有效地检测制冷剂,其中所述制冷系统单独使用或组合使用密封系统中的制冷剂,例如但是 不限于氯氟烃(CFC),氢氯氟烃(HCFC),氢氟碳化物(HFC)以及乙烷,丙烷,丁烷,戊烷的甲烷,氢,卤代,醚或环状衍生物的任何氢,卤代或醚衍生物, HCFC,HFC,碳氢化合物,二氧化碳和氨。 通过使用具有300至480纳米的发射波长的灯的密封系统的检查来确定泄漏,提供任何系统泄漏的指示。