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US 12,496,477 B2Granted
Fire suppressing gas generators, systems, and arrangements
OwnerAdam Tartar Richardsoninventor
Life of this patent
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Abstract
A fire suppressing gas generator includes a housing structure having an inner housing component comprising an array of discharge ports distributed thereon, an outer housing component encapsulating the inner housing component and comprising an array of openings distributed thereon, and spacing structure extending between the inner housing component and the outer housing component to maintain the inner housing component and the outer housing component in a fixed spaced relationship. A fire suppression subsystem within the inner housing includes at least one column of stacked propellant grains each comprising a pressed mixture of sodium azide and iron oxide.
Claims36
A fire suppressing gas generator comprising:
- a housing structure comprising:
- an inner housing component comprising an array of discharge ports distributed thereon;
- an outer housing component encapsulating the inner housing component and comprising an array of openings distributed thereon;
- and
- spacing structure extending between the inner housing component and the outer housing component to maintain the inner housing component and the outer housing component in a fixed spaced relationship;
- and
- a fire suppression subsystem comprising:
- a filter disposed within the inner housing component and spaced from an interior wall of the inner housing component;
- a plurality of propellant grains inside the filter, the plurality of propellant grains comprising at least one column of stacked propellant grains, each of the propellant grains comprising a pressed mixture of sodium azide and iron oxide;
- and
- at least one ignition device associated with the propellant grains, wherein the propellant grains when ignited by the ignition device generate a fire suppressing gas which passes through the filter and out of the discharge ports of the inner housing component;
- wherein distributions of the discharge ports of the inner housing component and the openings of the outer housing component provide substantial thrust neutrality to the fire suppressing gas generator when the fire suppressing gas passes out of the housing structure.
9 more elements
A fire suppressing gas generator comprising:
- a housing structure comprising an inner housing component having an array of discharge ports distributed thereon;
- a fire suppression subsystem hermetically sealed within the inner housing component and comprising:
- a filter disposed within the inner housing component and spaced from an interior wall of the inner housing component;
- a plurality of propellant grains inside the filter, the plurality of propellant grains comprising at least one column of stacked propellant grains, each of the propellant grains comprising a pressed mixture of sodium azide and iron oxide;
- and
- at least one ignition device associated with the propellant grains, wherein the propellant grains when ignited by the ignition device generate a fire suppressing gas which passes through the filter and out of the discharge ports of the inner housing component;
- and
- at least one inert test gas sealed within the inner housing component;
- and
- at least one normally closed valve extending from an exterior of the inner housing component to the interior of the inner housing component for, when caused to be opened, extracting a quantum of the inert test gas thereby to confirm the hermetic sealing of the fire suppression subsystem.
7 more elements
A fire suppressing gas generator comprising:
- a housing structure comprising a cylindrical inner housing component having an array of discharge ports distributed thereon;
- a fire suppression subsystem within the cylindrical inner housing component and comprising:
- a cylindrical filter disposed within the inner housing component and spaced from an interior wall of the cylindrical inner housing component;
- a plurality of propellant grains inside the filter, the plurality of propellant grains comprising at least one column of stacked propellant grains, each of the propellant grains comprising a pressed mixture of sodium azide and iron oxide;
- and
- at least one ignition device associated with the propellant grains, wherein the propellant grains when ignited by the ignition device generate a fire suppressing gas which passes through the filter and out of the discharge ports of the cylindrical inner housing component;
- a ring at each of opposite ends of the cylindrical inner housing component for centering respective ends of the cylindrical filter within the cylindrical inner housing component;
- an end cap connectable to each of opposite ends of the cylindrical inner housing component for retaining the fire suppression subsystem within the cylindrical inner housing component;
- and
- a gasket within a respective ring at each of the opposite ends of the cylindrical inner housing component and between a respective end cap and the cylindrical filter, wherein prior to connecting of the end caps and the cylindrical inner housing component each gasket extends beyond the respective ring and is compressible between the respective end cap and the cylindrical filter.
7 more elements
Dependencies are inferred from the claim text.