Tube integrity safety switch
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United States of America Patent
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Aug 16, 2011
Grant Date -
Jul 16, 2009
app pub date -
Jan 16, 2008
filing date -
Jan 16, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A safety device for disabling a positive pressure radiant tube heater upon failure of the heat exchanger and a corresponding method are described. This invention relates to the ability to detect a condition where a failure of the heat exchanger triggers the safety device and disables the heater. The safety device includes a low melt wire; an insulating sleeve positioned about the low melt wire, the wire and sleeve positioned on top of the reflector, a tension device to maintain the wire under tension; and a control device to disable the heater if the wire is discontinuous.
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Family
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Cited Art Landscape
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