Multi-function heater element for dual element ferrule fuses
US5239291A · kind A · utility
20Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Jul 15, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H85/36
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dual element ferrule fuse includes a short circuit element and an overload element. The overload element includes a heater element which, in addition to carrying heat, is designed to partially enclose the overload element with tabs that provide a weldable surface between the element and the metallic end cap, thus eliminating the need for a separate washer. Additionally, the tabs serve to center the element in the end cap and retain the element at a certain point in the fuse body between assembly of the fuse and soldering of the cap to the weldable surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.