Title:
A COOLING ARRANGEMENT FOR AN ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2013/117481
Kind Code:
A3
Abstract:
This invention relates to a laminated core for an electrical machine, comprising: a plurality of laminations configured to define a channel in a surface of the laminated core for the flow of a cooling fluid, wherein the channel has a base and at least one side wall, the at least one side wall having a stepped profile.
Inventors:
CHONG ELLIS (GB)
JEWELL GERAINT (GB)
RODRIGUES LEON (GB)
JEWELL GERAINT (GB)
RODRIGUES LEON (GB)
Application Number:
PCT/EP2013/051908
Publication Date:
July 17, 2014
Filing Date:
January 31, 2013
Export Citation:
Assignee:
ROLLS ROYCE PLC (GB)
International Classes:
H02K1/20; H02K5/20
Foreign References:
| DE19943444A1 | 2001-03-15 | |||
| JP2006033916A | 2006-02-02 | |||
| JP2001333559A | 2001-11-30 |
Attorney, Agent or Firm:
HARTLEY, Andrew et al. (PO Box 31, Derby DE24 8BJ, GB)
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