Title:
ROTOR FOR A ROTARY ELECTRIC MACHINE, AND ROTARY ELECTRIC MACHINE INCLUDING SUCH A ROTOR
Document Type and Number:
WIPO Patent Application WO/2013/068675
Kind Code:
A3
Abstract:
The rotor (1) according to the invention includes a plurality of alternating north poles (N) and south poles (S) that are from a plurality of permanent magnets (3) arranged in first recesses (4). Said first recesses are evenly distributed about an axis (5) of the rotor and axially extend into a magnetic body (2) thereof, so as to define a predetermined number of circumferential pole sections (9). Said pole sections comprise second recesses (12), which are arranged between the permanent magnets and which axially extend into the magnetic body so as to define a plurality of magnetic bridges (14, 15), having a plurality of heights (htr1), in a circumferential portion (11) of the rotor. According to the invention, a first height (htr1) and a second height (htr2) of two of said consecutive magnetic bridges (14, 15) are different.
Inventors:
LEGRANGER JEROME (FR)
LI LI (FR)
LI LI (FR)
Application Number:
PCT/FR2012/052499
Publication Date:
October 17, 2013
Filing Date:
October 30, 2012
Export Citation:
Assignee:
VALEO EQUIP ELECTR MOTEUR (FR)
LEGRANGER JEROME (FR)
LI LI (FR)
LEGRANGER JEROME (FR)
LI LI (FR)
International Classes:
H02K1/27
Foreign References:
| EP2372872A2 | 2011-10-05 | |||
| DE102008043739A1 | 2010-05-20 | |||
| EP1450462A1 | 2004-08-25 |
Attorney, Agent or Firm:
MARTIN, Joaquim (2 rue André Boulle, Creteil Cedex, FR)
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