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Patent Searching and Data


Title:
SYNCHRONOUS ELECTRIC MOTOR COMPRISING A STATOR AND AT LEAST ONE ROTOR AND ASSOCIATED CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO2004091075
Kind Code:
A3
Abstract:
The invention relates to a synchronous electric motor comprising a stator (10) and at least one rotor (20) with permanent magnets (21), characterised by an embodiment with Xd > Xq; where Xd is the direct reactance and Xq the quadrature reactance.

Inventors:
ABOU-AKAR ATEF (FR)
SAINT-MICHEL JACQUES (FR)
Application Number:
FR2004000787W
Publication Date:
June 09, 2005
Filing Date:
March 29, 2004
Export Citation:
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Assignee:
LEROY SOMER MOTEURS (FR)
ABOU-AKAR ATEF (FR)
SAINT-MICHEL JACQUES (FR)
International Classes:
H02K1/27; H02K21/16; H02P27/04; H02P27/08; H02K1/24; (IPC1-7): H02K1/27; H02K21/16
Domestic Patent References:
WO2004070918A12004-08-19
Foreign References:
EP1164684A22001-12-19
US20020175583A12002-11-28
DE19723302A11998-12-10
DE3016540A11981-11-05
Other References:
BIANCHI N ET AL: "SALIENT-ROTOR PM SYNCHRONOUS MOTORS FOR AN EXTENDED FLUX-WEAKENING OPERATION RANGE", IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, IEEE INC. NEW YORK, US, vol. 36, no. 4, July 2000 (2000-07-01), pages 1118 - 1125, XP001099914, ISSN: 0093-9994
PATENT ABSTRACTS OF JAPAN vol. 007, no. 272 (E - 214) 3 December 1983 (1983-12-03)
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