FOAM EXTINGUISHING DEVICE AND METHOD FOR OPERATING IT
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United States of America Patent
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Issued Date -
Aug 5, 2010
app pub date -
Feb 1, 2006
filing date -
Feb 8, 2005
priority date (Note) -
Abandoned
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Abstract
The invention describes a foam extinguisher device with an extinguisher water supply unit for an extinguisher water-foaming agent mixture and with a pressurizing gas supply unit with a pressure regulating device for a gaseous medium, in particular compressed air. In a gas injection mechanism, the medium is added to the extinguisher water-foaming agent mixture and then delivered to a discharge mechanism. The pressure regulating device is provided in the form of a pressure reducing valve. Via an adjusting device of a pressure-regulating element, an output pressure of the medium within a pre-selectable differential pressure range is adapted to a pressure level of the flow of extinguisher water prevailing at the adjusting device constituting a reference pressure.
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