Magnetic device for treatment of calcareous liquids
US4157963A · kind A · utility
24Cited by
13References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 1978 |
| Grant date | Jun 12, 1979 |
| Priority date | — |
| Expiry date | May 16, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a compact magnetic device for the treatment of liquids having a calcareous content to limit hard scale formations. The device comprises a magnetic source, thin magnetic plates spaced from each other and having peripheral edges and positioned to concentrate the polarity at each pole in their peripheral edges, whereby a curtain of lines of force extends between the edges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.