Patent · US Active

Method for producing a cage rotor

US11121609B2 · kind B2 · utility

0Cited by

4References

5Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Manfred Siegling · Munich, DE
Daniel Loos · Munich, DE
Holger Ulbrich · Munich, DE

Key dates

Filing date	May 22, 2018
Grant date	Sep 14, 2021
Priority date	—
Expiry date	May 30, 2038

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49012
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A method for producing a cage rotor for an asynchronous machine has the following steps: providing a laminated rotor core made of a plurality of stacked rotor laminations which each have a plurality of rotor lamination grooves distributed in the circumferential direction; placing rod-shaped wire bundles, which are each made up of a plurality of wires, into the rotor lamination grooves; rotating the individual rotor laminations relative to each other, thereby deforming the wire bundles; placing short-circuit rings on both end faces of the laminated rotor core, and connecting the wire bundles to the short-circuit rings.

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