Liquid level regulation apparatus
US7299822B2 · kind B2 · utility
2Cited by
8References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 7, 2001 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Jul 31, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8626
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus (10) is defined for regulating the level of liquid on a first side of a barrier (12) with respect to a moveable level of liquid on a second side of the barrier. The apparatus includes an inlet conduit (30) for positioning on the second side of the barrier and having an inlet (38) that is arranged for moving up and down with the liquid level, and an outlet conduit (16) for positioning on the first side of the barrier (12) and in liquid communication with the inlet conduit (30) across the barrier. The outlet conduit has an outlet (22) that can be located at a predetermined liquid level at the first side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.