Patent · US Expired

Fire fighting foam injection system with auto-start feature

US7318483B2 · kind B2 · utility

14Cited by
18References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 2004
Grant dateJan 15, 2008
Priority date
Expiry dateSep 12, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/0329
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.