Class J time delay fuse
US4994779A · kind A · utility
29Cited by
7References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 21, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Aug 21, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H85/055
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A time-delay fuse 10 having a circular fusible element 22 with stress relief section 24. The cylindrical fuse element 22 is connected to a trigger mechanism 30 by solder or other meltable alloy. The trigger section 30 provides overload protection and the circular fusible element provides short circuit protection resulting in a time-delay fuse which can be used in places where there are size restrictions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.