Fire fighting foam injection system with auto-start feature

Details Fire fighting foam injection system with auto-start feature Fire fighting foam injection system with auto-start feature

2008-01-15

2009-11-10

Gorman, Darren W (Department: 3752)

Fire extinguishers

Fluid systems

Plural source, mixing in transit

C169S013000, C169S014000, C169S024000, C239S061000, C239S068000, C239S310000, C700S285000

Reexamination Certificate

active

07614455

ABSTRACT:
A fire fighting vehicle of the type having a system for introducing a liquid foam concentrate into a water delivery hose so that the percentage concentration of foamant in the mixture remains at a predetermined set value irrespective of variations in the water flow rate. The improvement provided involves the addition of an AutoStart feature whereby upon application of power to the foam control system, the system comes up in an on mode without the need for human intervention.

REFERENCES:
patent: 5174383 (1992-12-01), Haugen et al.
patent: 5494112 (1996-02-01), Arvidson et al.

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