Solenoid with saturable element
US4419642A · kind A · utility
13Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1982 |
| Grant date | Dec 6, 1983 |
| Priority date | — |
| Expiry date | Jan 28, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/1607
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A solenoid includes a coil, a pole assembly, an armature movable in the pole assembly and an air gap separating the armature from part of the pole assembly. A single mumetal washer may be fixed to the armature adjacent the air gap or a pair of mumetal washers may be fixed to the armature and to one of the pole parts on opposite sides of the air gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.