Title:
ELECTRIC MACHINE HAVING INTERNAL AIR COOLING
Document Type and Number:
WIPO Patent Application WO/2014/072263
Kind Code:
A3
Abstract:
The invention relates to an electric machine (1), which has a rotor (2), which has a front rotor end face (3), a rear rotor end face (4), and a rotor axis (20). A first air-cooling channel (5) extends within the rotor (2) in the axial direction of the rotor axis (20) from the front to the rear rotor end face (3, 4). A swirling web (7, 8) protrudes into the air-cooling channel (5, 6) as radial projections. The swirling web (7, 8) extends in the axial direction of the rotor (2).
Inventors:
FRÖHLICH HOLGER (DE)
Application Number:
PCT/EP2013/072975
Publication Date:
April 23, 2015
Filing Date:
November 05, 2013
Export Citation:
Assignee:
CONTINENTAL AUTOMOTIVE GMBH (DE)
International Classes:
H02K5/20; H02K1/32; H02K9/08; H02K9/19; H02K17/16
Domestic Patent References:
| WO2008031804A1 | 2008-03-20 |
Foreign References:
| US20070018516A1 | 2007-01-25 | |||
| US5859483A | 1999-01-12 | |||
| DE1099064B | 1961-02-09 |
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