Patent · US Active

Form-wound coil having previous winding of mica tape

US11496011B2 · kind B2 · utility

0Cited by

3References

5Claims

0Family size

Assignee

Siemens Mobility GmbH · DE

Inventors

Florian Schemmel · Nuremberg, DE
Markus Hoesle · Erlangen, DE
Christoph Schultheiss · Karlsruhe, DE

Key dates

Filing date	Jun 26, 2018
Grant date	Nov 8, 2022
Priority date	—
Expiry date	Sep 1, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH02K2213/03
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A coil of a stator winding of an electric machine is formed of a number of windings, which are wound together with a number of layers of a mica tape, on which a number of layers of a cover tape are in turn wound. The coil is a three-dimensional form-wound coil. The mica tape has a bending stiffness of less than 50 N/m according to specification IEC 60371-2:2004 and a static friction coefficient between the top side and the bottom side thereof of less than 0.7 according to specification ISO 8295:1995.

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