Fire extinguishing access port nozzle assembly

Details Fire extinguishing access port nozzle assembly Fire extinguishing access port nozzle assembly

A - Human Necessities

62

C

A62C 3/08 (2006.01) A62C 31/05 (2006.01)

Patent

CA 2351026

A fire extinguishing access port includes a port and nozzle assembly where the nozzle has a plurality of radial outlets defining a pattern of dispersal for a fire extinguishing agent. According to a presently preferred embodiment, the port and nozzle assembly is dimensioned to be mounted in an existing mounting hole (e. g. a switch mounting hole) of an aircraft electrical panel with the nozzle residing in the rear of the panel and the port residing on the front of the panel. According to the invention, a plurality of different nozzles are provided for different electrical panels, each nozzle having a different pattern of dispersal. A fire extinguisher access port kit according to the invention includes a plurality of threaded nozzles, each with different dispersal patterns, a plurality of threaded ports which mate with the nozzles, and a plurality of different length threaded tubes which mate with the nozzles and the ports. According to the presently preferred embodiment, the nozzles are provided with a plurality if radial slots which deflect the flow of fire extinguishing agent substantially perpendicular to the direction of entry through the port. This provides excellent dispersal of fire extinguishing agent throughout the electrical compartment and also provides two unexpected advantages, prevents foreign objects from passing through the port and potentially causing a short circuit, and eliminates the possibility of blowback.

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