Fluid additive supply system for fire fighting mechanisms

Details Fluid additive supply system for fire fighting mechanisms Fluid additive supply system for fire fighting mechanisms

1995-04-24

1998-10-06

Hoge, Gary C.

Fire extinguishers

Fluid systems

Plural source, mixing in transit

A62C 502

Patent

active

058163280

ABSTRACT:
An additive supply system for fire fighting mechanisms such as a fire fighting truck including an additive supply line system having a pump and a recirculation line, a balanced pressure valve metering flow in the recirculation line and in communication with the measure of additive line pressure and fire fighting fluid line pressure, and additive pump control apparatus connected to the additive pump and in communication with the measure of the degree of openness of the balanced pressure valve.

REFERENCES:
patent: 4436487 (1984-03-01), Purvis et al.
patent: 4899825 (1990-02-01), Bosoni et al.
patent: 5009244 (1991-04-01), Grindley et al.
patent: 5174383 (1992-12-01), Haugen et al.

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