Patent · US Active

Composite material for a stator stack and rotor stack

US11623431B2 · kind B2 · utility

0Cited by

2References

14Claims

0Family size

Assignees

ThyssenKrupp Steel Europe AG · DE
thyssenkrupp AG · DE

Inventors

Tobias Lewe · Kohlenbissen, DE
Marco Tietz · Düsseldorf, DE
Stephan Drewes · Mönchengladbach, DE
Philipp Grunden · Duisburg, DE
Karl Telger · Coesfeld, DE
Johann Muller · Burghausen, DE
Abdullah Kahveci · Bochum, DE

Key dates

Filing date	Mar 3, 2017
Grant date	Apr 11, 2023
Priority date	—
Expiry date	Mar 1, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F220/1808
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A composite material, especially for use in a stator stack and/or rotor stack is disclosed. The composite material includes a first and a second electrical steel strip layer and a polymeric layer arranged in between, wherein the polymeric layer consists of a crosslinked acrylate-based copolymer of high molecular weight and has a layer thickness in the range from 3 to 20 μm.

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