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1. (WO1998052271) MAGNETIC BEARING COUPLED WITH AN ELECTRIC MOTOR
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1998/052271 International Application No.: PCT/FR1998/000899
Publication Date: 19.11.1998 International Filing Date: 05.05.1998
Chapter 2 Demand Filed: 26.11.1998
IPC:
H02K 7/09 (2006.01) ,H02K 21/20 (2006.01) ,H02K 21/22 (2006.01) ,H02K 41/02 (2006.01)
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
K
DYNAMO-ELECTRIC MACHINES
7
Arrangements for handling mechanical energy structurally associated with the machine, e.g. structural association with mechanical driving motor or auxiliary dynamo-electric machine
08
Structural association with bearings
09
with magnetic bearings
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
K
DYNAMO-ELECTRIC MACHINES
21
Synchronous motors having permanent magnet; Synchronous generators having permanent magnet
12
with stationary armature and rotating magnet
14
magnet rotating within armature
20
having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar machine
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
K
DYNAMO-ELECTRIC MACHINES
21
Synchronous motors having permanent magnet; Synchronous generators having permanent magnet
12
with stationary armature and rotating magnet
22
magnet rotating around armature, e.g. flywheel magneto
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
K
DYNAMO-ELECTRIC MACHINES
41
Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
02
Linear motors; Sectional motors
Applicants:
LAMBERT, Charles [FR/FR]; FR (UsOnly)
AEROSPATIALE SOCIETE NATIONALE INDUSTRIELLE [FR/FR]; 37, boulevard de Montmorency F-75781 Paris Cedex 16, FR (AllExceptUS)
Inventors:
LAMBERT, Charles; FR
Agent:
RINUY, SANTARELLI; 14, avenue de la Grande Armée Boîte postale 237 F-75822 Paris Cedex 17, FR
RINUY, Santarelli; 14, avenue de la Grande Armée F-75017 Paris, FR
Priority Data:
97/0584713.05.1997FR
Title (EN) MAGNETIC BEARING COUPLED WITH AN ELECTRIC MOTOR
(FR) PALIER MAGNETIQUE COUPLE AVEC UN MOTEUR
Abstract:
(EN) The invention concerns a direct current electric motor with a reference axis Z-Z and comprising a first body (A) bearing a first polar part (11), a second body (B) bearing a second polar part (12), said first body and second body having a degree of relative movement transverse to the reference axis, said first polar part and said second polar part being separated by a first air gap (13) transverse to the reference axis and extending along a relative movement line (100) arranged transverse to the reference axis, and by at least a second air gap (16, 17) distinct from the first but parallel thereto. It also comprises a permanent magnetisation bar (14) integral with the first body and generating magnetic flux lines circulating in the first and second polar parts and passing through said first and second air gaps, said permanent magnetisation bar having, relative to the reference axis, a constant magnetising direction over its whole length, electrically conductive strands (15) integral with the second body, extending in said first air gap parallel to the reference axis and connected to an electric source such that the currents circulating therein have, at all times, a common direction parallel to said reference axis.
(FR) L'invention propose un moteur électrique à courant continu ayant un axe de référence Z-Z et comportant un premier corps (A) portant une première pièce polaire (11), un second corps (B) portant une seconde pièce polaire (12), ce premier corps et ce second corps ayant un degré de mouvement relatif transversalement à l'axe de référence, cette première pièce polaire et cette seconde pièce polaire étant séparées par une premier entrefer (13) transversal à l'axe de référence et s'étendant le long d'une ligne de mouvement relatif (100) disposée transversalement à l'axe de référence, et par au moins un second entrefer (16, 17) distinct du premier entrefer mais parallèle à celui-ci, un barreau (14) à aimantation permanente solidaire du premier corps et générant des lignes de flux magnétique circulant dans les première et seconde pièces polaires et traversant ces premier et second entrefers, ce barreau à aimantation permanente ayant, par rapport à l'axe de référence, un sens d'aimantation constant sur toute sa longueur, des brins électriquement conducteurs (15) solidaires du second corps, s'étendant dans ce premier entrefer parallèlement à l'axe de référence et connectés à une source électrique en sorte que les courants qui y circulent ont, à tout instant, un même sens parallèle à cet axe de référence.
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Designated States: CA, JP, US
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: French (FR)
Filing Language: French (FR)