Thermal triggering element for sprinklers, valves or the like
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United States of America Patent
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May 6, 2014
Grant Date -
Jan 10, 2013
app pub date -
Jun 12, 2012
filing date -
Jul 7, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A thermal triggering element for sprinklers, valves or the like including an enclosed compartment with a container filled with a highly temperature-sensitive shattering fluid for precise and reproducible adjustment of a triggering temperature within the range of a few degrees Celsius. The invention increases the accuracy of the triggering temperature and identifies shattering liquids that allow precise sensitive triggering action in terms of temperature of the triggering element and open up further triggering temperatures ranges. The triggering fluid contains or consists of a hydrocarbon compound selected among one of the following substance groups or a mixture thereof:
- d) a heterocyclic hydrocarbon having a OH, NH or NH2 group bonded to a carbon atom;e) a hydrocarbon having at least one benzene ring with an OH group bonded to one of the carbon atoms of the benzene ring;f) a phosphate with at least one hydrocarbon moiety.
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