Fire sprinkler system
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United States of America Patent
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N/A
Issued Date -
Sep 20, 2007
app pub date -
Mar 20, 2006
filing date -
Mar 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fire sprinkler system includes a plurality of sprinkler heads disposed at predetermined positions within a structure. Water in the system, on the system side, is isolated by a solenoid-activated valve from water on the municipal or street side. The water pressure on the system side is maintained at a lower pressure than the water pressure on the municipal side. In one embodiment, the sprinkler heads include a sprinkler head casing mated with a cover plate. The cover plate separates from the casing at a specified temperature. A switch compressed between the casing and the cover plate is activated by the separation of the cover plate. Activation of the switch opens the solenoid-activated valve of the fire sprinkler system, thereby releasing water at street pressure into the system.
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