Patent · US Active

Rotor with a coil arrangement and a winding carrier

US11264885B2 · kind B2 · utility

0Cited by

8References

16Claims

0Family size

Assignee

ROLLS-ROYCE DEUTSCHLAND LTD & CO KG · DE

Inventors

Michael Frank · Erlangen, DE
Peter van Haßelt · Erlangen, DE
Johannes Richter · Fürth, DE
Christian Weidermann · Pößneck, DE

Key dates

Filing date	Jul 20, 2017
Grant date	Mar 1, 2022
Priority date	—
Expiry date	Nov 4, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E40/60
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Various embodiments include a rotor for an electric machine comprising: an electric coil arrangement; and a winding carrier mechanically carrying the coil arrangement and at least partially enclosing the coil arrangement on a radially outer side of the coil arrangement. The rotor includes an inner cavity for circulating a fluid coolant such that the coil arrangement comes into contact with the liquid coolant on its radially inner side as the rotor rotates.

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