Fire safety device

Details Fire safety device Fire safety device

1998-07-31

1999-12-21

Morris, Lesley D.

Fire extinguishers

Special applications

Condition responsive control

169 29, A62C 3510, A62C 3700

Patent

active

060036095

ABSTRACT:
A fire safety device for controlling the spread of fire in a structure. The invention comprises a base plate, a smoke detector, a syringe, and a cover. The syringe has a reservoir containing a fire retardant chemical. A fuse link holder has a melting fuse link that maintains a plunger assembly in position, and a spring is loaded behind the plunger. The syringe also has a nozzle in open communication with a supply line, which is in open communication to the reservoir. When a sufficiently high ambient temperature is reached, the fuse link melts, releasing the piston rod from the fuse link and allowing the coil spring to urge the plunger toward the other end of the syringe, and forcing the fire-retardant chemical from the nozzle. When smoke is present, the smoke detector sounds an audible alarm.

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