Automated surge weir and rim skimming gutter flow control system
US4133059A · kind A · utility
12Cited by
13References
7Claims
0Family size
Inventor
Key dates
| Filing date | Sep 19, 1977 |
| Grant date | Jan 9, 1979 |
| Priority date | — |
| Expiry date | Sep 19, 1997 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/1209
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A fully automated surge weir and rim skimming gutter flow control system is provided, automatically establishing and controlling surge weir and rim skimming gutter flow under both normal and extraordinary pool use conditions, sensing changes in water level and water activity, and actuating appropriate response mechanisms controlling surge weir and rim skimming gutter flow and/or rate of recirculation of the water between the pool and the filtration system with switches to convert the gutter from weir skimming and back.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.