Dual tank control system and method for use in foam introduction fire fighting systems
US5765644A · kind A · utility
28Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 1996 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | Sep 6, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62C5/02
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A microprocessor-based dual tank control system for use in a foam-injection fire fighting system which automatically proportions the selected foamant into the main water stream at a predetermined concentration, automatically provides an accurate assessment of the amount of foam pumped out of the selected supply tank, and automatically flushes the injection line at system power-up and between flow cycles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.