Patent · US Active

Electric machine

US11824425B2 · kind B2 · utility

0Cited by

4References

20Claims

0Family size

Assignee

VOLVO CAR CORPORATION · SE

Inventors

Emil Håkansson · Gothenburg, SE
Johan Andersson · Huskvarna, SE
Joakim Ehn · Gothenburg, SE
Robin Reinfjell · Gothenburg, SE

Key dates

Filing date	Feb 4, 2021
Grant date	Nov 21, 2023
Priority date	—
Expiry date	Jun 27, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/64
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A rotor assembly for an electric machine is described herein. The rotor assembly comprises a body member, a first shaft member and a second shaft member. The body member comprises an inner wall defining a cavity in the body member. The body member is arranged between the first shaft member and the second shaft member. The first shaft member comprises a tube arranged through the first shaft member and extending at least partially in the cavity of the body member. An end of the tube exposed in the cavity comprises a medium dispersion unit configured to disperse a medium in the cavity and the medium dispersion unit comprises an impeller element configured to provide a turbulent flow of the medium.

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