System and method for suppressing fires
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Accused Products
Abstract
A method and apparatus for suppressing a fire utilizing non-azide solid gas propellant generation to produce and transport a suitable gas for suppressing a fire in a normally occupied area. The nitrogen gas produced by the solid propellant gas generation is optionally treated to remove undesirable elements such as water and/or carbon dioxide from the product gas prior to the delivery of the product gas to the protected hazard area.
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Citations
38 Claims
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1-20. -20. (canceled)
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21. A method of suppressing fires in a space comprising the steps of:
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(a) generating a first oxygen displacing fire suppressing gas mixture from at least one non-azide solid propellant chemical, the first fire suppressing gas mixture comprising at least a first gas, said first gas comprising nitrogen; and
(b) delivering at least said first gas into the space, wherein said oxygen displacing fire suppressing mixture reduces the concentration of oxygen in said space to below a level necessary to sustain combustion. - View Dependent Claims (22, 23, 24, 25, 26)
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27. An apparatus for suppressing fires in a normally occupied enclosed space comprising:
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(a) a sensor for detecting a fire;
(b) at least one non-azide solid inert gas generator that, in response to receiving a signal from the sensor, ignites to generate only an oxygen displacing fire suppressing gas mixture for delivery into the enclosed space; and
(c) an inert gas discharge diffuser to direct the fire suppressing gas mixture into said enclosed space for reducing the concentration of oxygen in said space to below a level necessary to sustain combustion. - View Dependent Claims (28, 29, 30, 31)
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32. A gas generator for generating and delivering an oxygen displacing fire suppressing gas mixture to an enclosed space, comprising:
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a housing;
at least one pre-packed non-azide solid propellant disposed within said housing;
a pyrotechnic device fro initiating ignition of said solid propellant to thereby generate only said fire suppressing gas mixture; and
a discharge diffuser for directing the fire suppressing gas mixture within said enclosed space so as to reduce the concentration of oxygen in said space to below a level necessary to sustain combustion. - View Dependent Claims (33, 34, 35, 36, 37, 38)
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Specification