Electromagnetic contactor
US4654744A · kind A · utility
2Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1984 |
| Grant date | Mar 31, 1987 |
| Priority date | — |
| Expiry date | May 2, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H50/021
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electromagnetic contactor for controlling the opening and closing of an electric circuit for an electric motor or the like, including a mounting pedestal including a rectifier circuit therein, a stationary iron core disposed thereon and having an operating coil wound around the same, and a movable iron core disposed oppositely to this stationary iron core to be spaced therefrom by a predetermined spacing thereby to change an AC voltage applied to the operating coil to a direct current. The stationary iron core is composed of a bar-shaped magnetic member while the movable iron core is substantially U-shaped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.