System for delivery of breathable fire extinguishing gas

Details System for delivery of breathable fire extinguishing gas System for delivery of breathable fire extinguishing gas

2006-10-24

2006-10-24

Hwu, Davis (Department: 3752)

Fire extinguishers

Portable vessels

C169S071000, C169S072000, C169S044000, C239S400000, C239S402000

Reexamination Certificate

active

07124833

ABSTRACT:
This invention relates to an improved portable system for the delivery of a breathable, fire extinguishing gas mixture to a fire zone. The gas mixture comprises a normally gaseous inert material, such as nitrogen, helium or argon; an oxygen containing gas; and carbon dioxide. The system includes a means for storing or generating the inert material, means for storing the carbon dioxide, means for generating or introducing the oxygen containing gas, and means for mixing the components. The system also includes means for heating, vaporizing and controlling the temperature and proportions of the components.

REFERENCES:
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patent: 3438445 (1969-04-01), MacCracken
patent: 4311198 (1982-01-01), Vasquez
patent: 4807706 (1989-02-01), Lambertsen et al.
patent: 5327732 (1994-07-01), De Almeida
patent: 5507350 (1996-04-01), Primlani
patent: 6418752 (2002-07-01), Kotliar
patent: 6446731 (2002-09-01), Sorosky
patent: 6502421 (2003-01-01), Kotliar
patent: 6672397 (2004-01-01), Taylor

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