Electromagnetic power contactor provided with control rod having stop
US10153117B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2015 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Jul 30, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2235/01
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an electromagnetic contactor including: —first and second magnetic cores, the second core being mobile relative to the first core; —a control rod mobile between an inoperative position and a supply position, the control rod comprising a shoulder, in inoperative position: —the shoulder comprises one surface in contact with the first magnetic core, —the first magnetic core and the control rod separating a first chamber extending between the first and second magnetic cores and a second chamber in which the contact plate is located, and —at least one opening made between the first chamber and the second chamber allowing the transfer of air from the first chamber to the second chamber when the second magnetic core moves from the inoperative position to the magnetized position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.