Patent · US Active

Laminate stack comprising individual soft magnetic sheets, electromagnetic actuator, process for their manufacture and use of a soft magnetic laminate stack

US8669837B2 · kind B2 · utility

2Cited by

7References

76Claims

0Family size

Assignee

Vacuumschmelze GmbH & Co. KG · DE

Inventors

Joachim Gerster · Alzenau, DE
Herbert Hoehn · Göppingen, DE

Key dates

Filing date	Aug 26, 2010
Grant date	Mar 11, 2014
Priority date	—
Expiry date	Mar 9, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24612
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A laminate stack having individual soft magnetic sheets. The individual sheets are involutely curved in the laminate stack. Each individual sheet has a first long side, a second long side opposite the first long side, a first short side and a second short side opposite the first short side. The first long side has a recess, said recess being rectangular and equidistant from the first short side, the second short side and the second long side when the individual sheet is in its uncurved state.

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