Selectable fixed flow large scale fire fighting nozzle with...

Details Selectable fixed flow large scale fire fighting nozzle with... Selectable fixed flow large scale fire fighting nozzle with...

2007-04-24

2007-04-24

Hwu, Davis (Department: 3752)

Fire extinguishers

Processes

With mixing of extinguishing compounds

C169S014000, C169S027000, C239S398000, C239S407000, C239S413000, C239S436000

Reexamination Certificate

active

10981897

ABSTRACT:
An industrial scale fire fighting nozzle and method, the nozzle having a selectively adjustable discharge gap and providing for gap coordinated, independently selectable additive proportioning ratio selection, the method including discharging fire fighting fluid at a selectively adjustable flow rate with an independently selectable, gap coordinated adjustable additive proportioning ratio, and use of reinforced high temperature polymer for at least a barrel element or a bafflehead element component.

REFERENCES:
patent: 3863844 (1975-02-01), McMillan
patent: 4224956 (1980-09-01), Klein
patent: 4640461 (1987-02-01), Williams
patent: 5082633 (1992-01-01), Stuper
patent: 5445226 (1995-08-01), Scott et al.
patent: 5538784 (1996-07-01), Subramanian
patent: 6749027 (2004-06-01), Crabtree

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