Patent · US Active

Electric machine

US12231022B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

VOLVO CAR CORPORATION · SE

Inventors

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

Key dates

Filing date	Jun 10, 2022
Grant date	Feb 18, 2025
Priority date	—
Expiry date	May 16, 2043

Classification

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

Abstract

A rotor assembly including a body member, a first shaft member and a second shaft member. The body member includes an inner wall defining a cavity inside the body member. The first shaft member is inserted into the body member and extends at least partially in the cavity of the body member. The second shaft member is inserted into the body member and extends from a first end portion of the body member to a second end portion of the body member. The second shaft member is at least partially surrounded by the first shaft member. The first shaft member is configured to provide a medium along the inner wall of the body member, and the second shaft member is configured to provide the medium at each of the first end portion and the second end portion of the body member.

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