FIRE SPRINKLER CAPABLE OF DETECTING A HIGH TEMPERATURE IN A SHORT TIME
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United States of America Patent
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N/A
Issued Date -
Aug 13, 2015
app pub date -
Apr 4, 2014
filing date -
Feb 13, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fire sprinkler comprises a water supply pipe, a valve body, a heat-activated glass bulb, and a covering means. The valve body defines a passage having an inlet and an outlet at two ends thereof, wherein the inlet of the passage is connected with the water supply pipe. The heat-activated glass bulb is mounted in the valve body, wherein the heat-activated glass bulb is capable of closing the outlet of the passage when in normal condition. The covering means is arranged at a periphery of the valve body, wherein the covering means defines at least one through hole that facilitates the hot air generated in a fire emergency to contact the heat-activated glass bulb. With the fire sprinkler, the temperature response capability of the heat-activated glass bulb can be increased.
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