Patent · US Active

Electromagnetic drive unit and an electromechanical switching device

US8269589B2 · kind B2 · utility

0Cited by

7References

23Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Josef Burger · Herbrazhofen, DE
Reinhard Maier · Herzogenaurach, DE
Bernd Trautmann · Erlangen, DE

Key dates

Filing date	Aug 15, 2007
Grant date	Sep 18, 2012
Priority date	—
Expiry date	Sep 23, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH01H50/36
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electromagnetic drive unit is disclosed, including a yoke and a movable armature. In at least one embodiment, the yoke and the armature have a matched shape so that, when the electromagnetic drive unit is activated, the armature is adapted to at least partially cross the yoke. An electromechanical switching device is also disclosed.

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