Gas type fire extinguisher

Details Gas type fire extinguisher Gas type fire extinguisher

1998-07-17

2000-10-31

Shaver, Kevin

Fire extinguishers

Portable vessels

169 71, 222 5, A62C 1100

Patent

active

061387681

ABSTRACT:
A fire extinguisher including a gas cylinder filled with an extinguishing gas and installed in a cylindrical main casing that has a nozzle head at one end and a spring-loaded bottom cover at another end. The gas cylinder is retained in the main casing by way of a locking pin that extends radially and engages an actuation hole of the main casing; and when the locking pin is manually disengaged from the actuation hole, the gas cylinder is rapidly moved by an expanding spring of the bottom cover in the direction of the axis of the main casing, so that the sealing plate of the gas cylinder is ruptured by a firing pin of the nozzle head, allowing the gas to jet out of the gas cylinder so as to put out a fire. The locking pin can be automatically disengaged from the actuation hole by the use of a temperature sensor.

REFERENCES:
patent: 3255824 (1966-06-01), Rodgers
patent: 3667549 (1972-06-01), Sachs et al.
patent: 4454963 (1984-06-01), Fegley
patent: 4620598 (1986-11-01), Reeder
patent: 5555940 (1996-09-01), Fujiki
patent: 5615743 (1997-04-01), Matsumoto et al.

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