Patent · US Active

Rotor for an electric machine

US9537374B2 · kind B2 · utility

1Cited by

6References

12Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Michael Frank · Erlangen, DE
Peter van Hasselt · Erlangen, DE

Key dates

Filing date	Sep 22, 2011
Grant date	Jan 3, 2017
Priority date	—
Expiry date	May 7, 2033

Classification

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

Abstract

A rotor form electric machine is provided including a rotor body that rotates about an axis of rotation, the rotor body having a superconducting rotor winding and cooling arrangement provided for cooling the rotor winding having at least one pair of cooling tube loops disposed substantially radially opposite each other on the rotor body, wherein a cryogenic coolant is transported in the axial direction in the coolant tube loops from a first axial rotor end to a second, opposite axial rotor end and back when the rotor rotates about the axis of rotation. One or more connecting tubes are provided in the cooling arrangement and connect one cooling tube loop to the other cooling tube loop of the at least one pair of cooling tube loops.

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