Discharge control head for aircraft fire extinguishant container

Metal founding – Process – Shaping liquid metal against a forming surface

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169 62, 169 28, 169 74, 169 75, 169 89, A62C 3102, A62C 3512, A62C 3718

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active

047796839

ABSTRACT:
A control head for controlling the discharge of pressurized extinguishing agent from a container in an aircraft fire extinguishing system. The control head is hexagonal and is provided with an outlet fitting, a fill valve, an actuator body, a pressure switch and a pressure gauge. Each component can be threaded into any of the side faces or the end face of the control head so that the limited space available within the aircraft can be accommodated. An electrical detonator within the actuator body can be exploded to rupture a pair of frangible discs in succession. This opens a flow path for the extinguishant which is then discharged from the bottle to a delivery line which distributes it to the area of the fire. The detonator and its electrical heads are hermetically sealed in the actuator body to prevent contamination.

REFERENCES:
patent: 2563837 (1951-08-01), Grant, Jr.
patent: 3552495 (1971-01-01), Fiero
patent: 3735376 (1973-05-01), Kramer et al.
patent: 3762479 (1973-10-01), Fike, Sr. et al.
patent: 3809163 (1974-05-01), Weise
patent: 4023164 (1977-05-01), Delaney
patent: 4126184 (1978-11-01), Hinrichs

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