Bottom construction of ponds particularly solar ponds
US4345581A · kind A · utility
10Cited by
11References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 19, 1980 |
| Grant date | Aug 24, 1982 |
| Priority date | — |
| Expiry date | Dec 19, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/44
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A pond construction, especially useful for non-convective solar ponds, having a multi-layer bottom in order to minimize seepage of liquid through the pond bottom. Liquid which permeates the multi-layer construction is pumped back into the pond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.