Fire extinguishing system
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United States of America Patent
Stats
-
Jun 29, 1999
Grant Date -
N/A
app pub date -
Sep 18, 1997
filing date -
Sep 20, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fire extinguishing system has one or more extinguishing units (1) connected together. A heat detector (2) in each extinguishing unit acts as a device for detecting a fire and as a device for triggering an extinguishing process with the aid of a fire extinguishing device (3), which generates a fire extinguishing aerosol spray during the fire. In addition, an electric ignitor (5) and a pyrotechnic electric generator (4) is in each extinguishing unit, and--if several extinguishing units are provided--each pyrotechnic electric generator (4) is connected via wiring (6) to all ignitors (5) in the other extinguishing units. A sensor element of the heat detector (2) consists preferably of a fusible material or of a material with shape memory characteristics. The fire extinguishing system provides a high degree of operational reliability in detecting fires and in extinguishing fires at initial stages, while maintaining favorable characteristics in stand-by operation.
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