Swimming pool main drain assembly
US5759414A · kind A · utility
29Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1996 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Nov 7, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H4/1236
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A swimming pool main drain assembly comprises a cup-shaped fitting recessed in a pool bottom and having an open mouth substantially coplaner with the pool bottom. A port is provided in the fitting which communicates with the suction inlet of a circulation pump. A return port assembly is provided in the fitting which communicates with an outlet of the circulation pump. The return port assembly includes an outlet conduit which directs water in a substantially vertical direction out of the main drain and educts a portion of the pool water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.