Patent · US Active

Method for production of a pole face of a metallic closing element of an electromagnet

US8421567B2 · kind B2 · utility

13Cited by

16References

15Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Peter Eckl · Amberg, DE
Johann Hofrichter · Schmidgaden, DE

Key dates

Filing date	Jul 14, 2010
Grant date	Apr 16, 2013
Priority date	—
Expiry date	Oct 9, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49073
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method is disclosed for producing a pole face of a metal closing elements of a solenoid, especially for electromechanical switchgear. In at least one embodiment, the method includes machining the surface of a crude stamped part of the closing element to give the pole face. A corresponding armature, yoke, solenoid and switchgear are also disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.