Patent · US Active

Electrical machine rotors

US10033250B2 · kind B2 · utility

6Cited by

7References

21Claims

0Family size

Assignee

ABB RESEARCH LTD. · CH

Inventors

Darren Tremelling · Apex, US
Yujing Liu · Öjersjö, SE

Key dates

Filing date	Sep 13, 2013
Grant date	Jul 24, 2018
Priority date	—
Expiry date	Mar 17, 2035

Classification

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

Abstract

Rotors for electrical machines and methods of fabricating the same are disclosed. Electrical machine rotors may include a hollow non-magnetic shaft, an active region, and a plurality of coolant passages extending within the active region. The hollow non-magnetic shaft may extend along an axis and have an exterior surface that defines a shaft space extending along the axis. At least a portion of the active region may be disposed within the shaft space.

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