Patent · US Active

Switching device

US8049584B2 · kind B2 · utility

1Cited by

11References

4Claims

0Family size

Assignee

ABB AG · US

Inventors

Ralf Mueller · Germersheim, DE
Frank Hustert · Philippsburg, DE
Ralph Burckhardt · Neckargemünd, DE
Guido Niewoehner · Wiesloch, DE
Hans-Peter Weyand · Kastellaun, DE

Key dates

Filing date	Feb 27, 2009
Grant date	Nov 1, 2011
Priority date	—
Expiry date	Nov 6, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH01H71/2463
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A switching device having a magnetic release includes a yoke having a U-shaped first section that includes a first limb having an opening in the form of a slot open towards a free end of the first limb, a second limb disposed parallel to the first limb, and a web connecting the first and second limbs. The switching device also includes a coil including a coil former, a coil winding and an armature disposed between the first and second limbs, wherein the coil is insertable into the slot towards the web and the armature extends through the slot. A restraint spring is connected at a free end of the armature and disposed outside the first limb.

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