Method of introducing an in situant into a vapor compression system, especially useful for leak detection, as well as an apparatus for leak detection and a composition useful for leak detection
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United States of America Patent
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Issued Date -
Jan 24, 2002
app pub date -
Aug 15, 2001
filing date -
Jan 24, 1997
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Leaks are detected in a vapor compression system using fluorescent and daylight visible in situants which are introduced to a system by way of a carrier and dissolved into the systems oil or lubricant. This invention teaches the use of POE oil as a universal carrier fluid, alone or in combination with an alcohol, and combined with one or more 'in situants'. The in situants are compounds which are the same or substantially similar to compounds already present in oils or lubricants. An on-off UV light source, such as a xenon light, can the be used to visually detect the leak from the vapor compression system components.
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