Title:
ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2013/110608
Kind Code:
A3
Abstract:
This electric machine, notably a motor (2), comprises a stator (6), a rotor (8), a first main bearing (12), designed to support the rotor (8) with respect to the stator (6) in a main range of speeds, and a first secondary bearing (16) designed to support the rotor with respect to the stator when the first main bearing fails. The or each secondary bearing (16) is a passive electrodynamic bearing comprising at least one permanent magnet and a mobile electrically conducting element. Application to electric machines, notably to asynchronous or synchronous motors.
Inventors:
DE LEPINE XAVIER (FR)
Application Number:
PCT/EP2013/051144
Publication Date:
November 21, 2013
Filing Date:
January 22, 2013
Export Citation:
Assignee:
GE ENERGY POWER CONVERSION TECHNOLOGY LTD (GB)
International Classes:
F16C32/04; H02K7/09
Domestic Patent References:
| WO2002007289A2 | 2002-01-24 | |||
| WO1999039424A1 | 1999-08-05 |
Foreign References:
| US5302874A | 1994-04-12 |
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