Core assembly for coil units and method for producing the same
US5973583A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Feb 25, 1998 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Feb 25, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F38/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A core assembly for coil units and a method for producing the same which can suppress a raise of temperature are provided. A secondary core (21) made of a ferrite includes a pair of core members (25, 25) which are symmetrical with respect to each other and are adapted to be coupled to each other. Each core member (25) is provided in its coupling surface (44) with a groove or apertune (43). When the core members (25, 25) are coupled to each other, the integrated grooves (43, 43) define a flow path (40) adapted to flow a cooling medium in the secondary core (21). Thus, it is possible to form a flow path in a core made of a sintered material which is too hard to be worked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.