Ordinary hazard extended coverage sidewall sprinklers and systems
US8151897B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1998 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Nov 20, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62C37/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An extended coverage sidewall automatic fire sprinkler includes a generally tubular body with a central passageway and a central axis. One end of the passageway forms an outlet at one end of the tubular body. A closure at the one end of the tubular body at least essentially generally closes the passageway. A trigger positioned to releasably retain the closure at the outlet closes the passageway. A deflector at a discharge end of the sprinkler is coupled with the tubular body facing and spaced axially away from the outlet and intersects the central axis. The tubular body has a K factor greater than 9. The deflector is shaped and positioned to transform water discharged horizontally from the outlet upon release of the closure by the trigger into a spray pattern of water droplets dispersed over a generally horizontal, generally rectangularly-shaped extended coverage are of more than one hundred square feet located on one side of the sprinkler in an amount and with a distribution effective to control an ordinary hazard fire in the coverage area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.