Blower systems circuit interrupting apparatus and method
US4265597A · kind A · utility
5Cited by
13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1978 |
| Grant date | May 5, 1981 |
| Priority date | — |
| Expiry date | Aug 11, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H85/0241
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit interrupting apparatus and method for a blower having a resistance heater in the air stream of the blower for cooling of the resistance heater and a fuse surrounded by the resistance heater to cause the fuse to blow through heat of the resistance heater when the air stream stops flowing and the amperage of the circuit is not sufficient to blow the main fuse of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.