AUTOMATIC FIRE EXTINGUISHER MEANS
First Claim
1. An automatic fire extinguisher system of the type used for fire, heat, smoke and explosion control in an area to be protected containing a plurality of hazardous zones, comprising a tank containing a fire extinguishant under pressure, a plurality of nozzles mounted on said tank, each nozzle directed towards a different hazardous zone, an electrically actuated valve associated with each nozzle for controlling the flow of extinguishant through said nozzles, conduit means connecting said tank with said nozzle, a separate condition responsive means associated with each nozzle for detecting an abnormal condition in each hazardous zone, control circuit means connected between said condition responsive means and said valves for actuating each of said valves individually in response to detection of an abnormal condition by each of said condition responsive means and maintaining the flow of extinguishant for as long as said condition responsive means detects the abnOrmal condition, and automatic communication means activated by said control circuit for sending out a warning signal in response to a hazardous condition.
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Accused Products
Abstract
An automatic fire extinguishing system comprising a plurality of fire extinguishing nozzles mounted on a tank containing an extinguishant under pressure, an electrically actuated valve associated with each nozzle, a heat and smoke detector for controlling each valve, and a communication circuit for sending out an alarm in response to a hazardous condition.
59 Citations
27 Claims
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1. An automatic fire extinguisher system of the type used for fire, heat, smoke and explosion control in an area to be protected containing a plurality of hazardous zones, comprising a tank containing a fire extinguishant under pressure, a plurality of nozzles mounted on said tank, each nozzle directed towards a different hazardous zone, an electrically actuated valve associated with each nozzle for controlling the flow of extinguishant through said nozzles, conduit means connecting said tank with said nozzle, a separate condition responsive means associated with each nozzle for detecting an abnormal condition in each hazardous zone, control circuit means connected between said condition responsive means and said valves for actuating each of said valves individually in response to detection of an abnormal condition by each of said condition responsive means and maintaining the flow of extinguishant for as long as said condition responsive means detects the abnOrmal condition, and automatic communication means activated by said control circuit for sending out a warning signal in response to a hazardous condition.
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2. Apparatus as in claim 1 wherein said condition responsive means comprises a fire detection means, for heat, smoke, and explosion control.
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3. Apparatus as in claim 1 wherein said control circuit means comprises self contained electrical power source means for providing electrical power to each of said condition responsive means and said actuators.
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4. Apparatus as in claim 3 wherein said electrical power source is circuit isolated so as to prevent electric current flow therebetween.
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5. Apparatus as in claim 3 wherein said control circuit comprises electrical connector means for connecting an external electric power source to said self-contained power source, having power test means.
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6. Apparatus as in claim 5 wherein said control circuit comprises an electrical relay for disconnecting said electrical power source in said electrical control circuit.
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7. Apparatus as in claim 5 wherein said self-contained power source comprises an AC inverter charger keeping a battery fully charged in said self-contained electrical power source means.
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8. Apparatus as in claim 7 wherein said discharge nozzle comprises automatic self rotating adjustable part and full circle turning nozzles operated by said extinguisher medium discharge pressure from said tank.
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9. Apparatus as in claim 8 wherein said discharge nozzle rotates by motorized means.
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10. Apparatus as in claim 7 wherein said actuators comprise connections for placing said actuators discharge nozzles away from said actuators upon a hazard connected by pipe means.
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11. Apparatus as in claim 1 wherein fire heat smoke and explosion control comprises condition responsive detectors connected to heat smoke and equipment connection sensors in a protected zone that operate the extinguisher medium tank supply, a blower, alarm, power relay disconnect, recording tape and telephone relay.
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12. Apparatus as in claim 11 wherein said explosion control comprises a connecting two part connect switch responsive to signal when disconnected, such as in a explosion or backpressure, sending said signal to the said circuit control for operation of said alarm devices.
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13. Apparatus as in claim 11 wherein said blower, alarm, power relay disconnect, recording tape and telephone relay have electric switches responsive to manual and automatic switch positions of the individual equipment and a settable delay timer.
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14. Apparatus as in claim 1 wherein said tank means comprises one or more tanks containing extinguisher medium having additional external means for connection of more than one said tank and to an outside supply assuring replenishment of adequate supply of said medium.
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15. Apparatus as in claim 14 wherein said tank means comprises a plurality of tanks and additional connection means for fighting more than one kind of fire at one time wherein designated tanks supply said medium to said actuators differently, according to the hazards.
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16. Apparatus as in claim 15 wherein said tank means has a low pressure warning means.
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17. Apparatus as in claim 1 wherein said automatic fire extinguisher means comprises pre-recorded tapes connected by said circuit means to a telephone relay calling the fire department or the service department actuated by said condition responsive means.
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18. Apparatus as in claim 1 wherein said condition responsive means further includes a water pressure valve comprising an electrical switch disposed to rendering a signal when abnormal high pressure water conditions exist, said signal response turning on said alarm means.
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19. Apparatus as in claim 1 wherein said condition response means comprises a temperature danger switch used as said condition responsive means.
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20. Apparatus as in claim 1 wherein said condition response means comprises a pressure danger switch used as said condition responsive means.
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21. Apparatus as in claim 1 havinG fire smoke and explosion insulated wiring and protective covers.
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22. Apparatus as in claim 1 wherein said automatic fire extinguisher system comprises an undercarriage and wheels for manual placement and motor propulsion use by firefighters.
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23. Apparatus as in claim 1 wherein said signal responsive means comprises a high intensity electric light connected to said control circuit means and alarm means for use during abnormal smoke conditions in said protected zone.
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24. Apparatus as in claim 1 wherein said automatic fire extinguisher means comprises a self-contained fire sprinkler system for placement at any said hazard in said protected zones.
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25. Apparatus as in claim 1 wherein said alarm and communications means comprises pre-recorded tape recordings connected to a telephone, wherein said alarm and communications means can send a plurality of messages at one time, on one or more of said telephones reporting said hazardous conditions.
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26. Apparatus as in claim 1 wherein said condition responsive means comprises wireless circuits connecting the condition responsive means to said alarm and communications means providing alarm and communications response to hazards in said protected zones close to and a great distance from said fire extinguisher means.
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27. Apparatus as in claim 1 wherein said temperature and pressure danger switch means comprises electric circuit means from said automatic fire extinguisher means to the firefighters where they can review said hazard by said switch means connected to temperature and pressure gauges by said circuit.
Specification