Sprinkler apparatus and method for controlling the same

Details Sprinkler apparatus and method for controlling the same Sprinkler apparatus and method for controlling the same

2005-05-24

2005-05-24

Mancene, Gene (Department: 3752)

Fire extinguishers

Processes

Of extinguishing fire

C169S061000

Reexamination Certificate

active

06896066

ABSTRACT:
A sprinkler apparatus is provided. The apparatus comprises a sprinkler head and a sprinkler head controller. The sprinkler head has a heater and a thermal fuse, the heater is configured to generate first and second heat based on first and second currents. The thermal fuse melts by the second heat, and the sprinkler head is configured to discharge an extinguishing liquid therethrough in response to the melting of the thermal fuse. The sprinkler head controller is connected to the sprinkler head, and is configured to provide the first current to the heater and detect the amount of current flowing through the heater, and diagnose the status of the sprinkler head based on the detected current.

REFERENCES:
patent: 2245144 (1941-06-01), Griffith
patent: 3884304 (1975-05-01), Messerschmidt et al.
patent: 3893513 (1975-07-01), Marsh
patent: 4199029 (1980-04-01), Marek
patent: 5622225 (1997-04-01), Sundholm
patent: WO 9221998 (1993-11-01), None

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