Inductance device
US4314221A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1980 |
| Grant date | Feb 2, 1982 |
| Priority date | — |
| Expiry date | Sep 17, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F27/29
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An inductance device comprises a drum core on which a coil is wound and which has a projection; a rectangular pot core having each concave part on the upper surface and the lower surface and having a hollow for fitting said drum core and a hole for fitting said projection of said drum core; electrode parts which are respectively formed on each side surface and said concave part of the upper surface of said pot core and on the bottom surface of said pot core; said drum core having said coil being fitted into said hollow of said pot core; and said coil being connected to said electrode parts at said concave part by each of lead terminals of said coil; and said drum core being sealed in said hollow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.