Patent · US Active

Stator

US11223246B2 · kind B2 · utility

0Cited by

5References

14Claims

0Family size

Assignee

WITTENSTEIN SE · DE

Inventors

Ing. Ralf Kruse · Würzburg, DE
Wolfgang Weigel · Igersheim, DE
Ingolf Gröning · Lohr am Main, DE
Armin Neubert · Niederstetten, DE
Sandra Köhler · Wittighausen, DE

Key dates

Filing date	Aug 18, 2020
Grant date	Jan 11, 2022
Priority date	—
Expiry date	Aug 18, 2040

Classification

Technology area (CPC H)Electricity
CPC primaryH02K21/16
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A stator (300) for an electric machine, having a yoke ring (310), and a plurality of teeth (220) arranged side by side within the yoke ring (310) in the circumferential direction, wherein each tooth (220) has a yoke portion (222), wherein the yoke portions (222) of the teeth (220) support one another in the circumferential direction, wherein respectively at least a part of the outer circumference of the yoke portion (222) of each tooth (220) deviates from a circle segment shape that is concentric to a central axis (302) of the stator (300), and the outer circumference encloses at each point an angle of more than 45° with the radius (304) defined by the central axis (302).

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