Patent · US Active

Rotor core, permanent magnet rotor, electric motor and electric pump for a household appliance

US11876432B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignee

BSH Hausgeräte GmbH · DE

Inventors

Michal Kalavsky · Košice, SK
Stephan Lutz · Sontheim, DE
Hans-Holger Pertermann · Dresden, DE

Key dates

Filing date	Sep 20, 2021
Grant date	Jan 16, 2024
Priority date	—
Expiry date	Dec 3, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH02K7/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A rotor core includes a hollow shaft and a carrier portion permanently combined with the hollow shaft and configured to carry a ring-shaped permanent magnet coaxially to the hollow shaft. The carrier portion includes a support plate extending in radial direction and at least one axial support region configured to support the ring-shaped permanent magnet in axial direction. The carrier portion further includes at least one support element configured to extend into an interior space surrounded by the ring-shaped permanent magnet. A permanent magnet rotor including the rotor core, an electric motor, an electric pump and a household appliance, are also provided.

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