Electromagnetic contactor with algorithm controlled closing system
US4833565A · kind A · utility
16Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1987 |
| Grant date | May 23, 1989 |
| Priority date | — |
| Expiry date | Feb 19, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H47/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electromagnetic contactor or controller is taught in which the voltage which is impressed across the electromagnetic armature winding is controlled with an algorithm to enhance the closing operation. A microprocessor is utilized to implement the algorithm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.