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1. GB2540859 - Electric drive motor

Office Royaume-Uni
Numéro de la demande 201610012
Date de la demande 08.06.2016
Numéro de publication 2540859
Date de publication 01.02.2017
Type de publication B
CIB
H02K 1/27
HÉLECTRICITÉ
02PRODUCTION, CONVERSION OU DISTRIBUTION DE L'ÉNERGIE ÉLECTRIQUE
KMACHINES DYNAMO-ÉLECTRIQUES
1Détails du circuit magnétique
06caractérisés par la configuration, la forme ou le genre de structure
22Parties tournantes du circuit magnétique
27Noyaux rotoriques à aimants permanents
CPC
H02K 1/2746
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
27Rotor cores with permanent magnets
2706Inner rotor
272where the magnetisation axis of the magnets is radial or tangential
274consisting of a plurality of circumferentially positioned magnets
2746consisting of magnets arranged with the same polarity
H02K 1/276
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
27Rotor cores with permanent magnets
2706Inner rotor
272where the magnetisation axis of the magnets is radial or tangential
274consisting of a plurality of circumferentially positioned magnets
2753consisting of magnets or groups of magnets arranged with alternating polarity
276Magnets embedded in the magnetic core
H02K 2213/03
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
2213Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
03Machines characterised by numerical values, ranges, mathematical expressions or similar information
H02K 1/278
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
27Rotor cores with permanent magnets
2706Inner rotor
272where the magnetisation axis of the magnets is radial or tangential
274consisting of a plurality of circumferentially positioned magnets
2753consisting of magnets or groups of magnets arranged with alternating polarity
278Surface mounted magnets; Inset magnets
H02K 1/2766
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
1Details of the magnetic circuit
06characterised by the shape, form or construction
22Rotating parts of the magnetic circuit
27Rotor cores with permanent magnets
2706Inner rotor
272where the magnetisation axis of the magnets is radial or tangential
274consisting of a plurality of circumferentially positioned magnets
2753consisting of magnets or groups of magnets arranged with alternating polarity
276Magnets embedded in the magnetic core
2766having a flux concentration effect
H02K 7/006
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
7Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
006Structural association of a motor or generator with the drive train of a motor vehicle
Déposants JAGUAR LAND ROVER LTD
Inventeurs JOSE SOLER
ALEXANDROS MICHAELIDES
ISTVAN KIRALY
Données relatives à la priorité 201510273 12.06.2015 GB
Titre
(EN) Electric drive motor
Abrégé
(EN)
The electric drive motor 101; 201 has a stator 103 having a plurality of slots 107; and a rotor 102; 202 having a plurality of poles 106; 206, the poles 106; 206 each have permanent magnets 105,104; 204,205,212 centred on a d-axis of the pole 106; 206; and a plurality of primary flux barriers 109,110; 209,210,213 for disrupting at least an nth order torque harmonic of the electric drive motor 101. Proximal to an outer surface of the rotor 102; 202, a first angular period Ƹ1 between first and second primary flux barriers is defined by the equation Ƹ1 = τ/n1 whereby Ƹ1 is the first angular period; τ is the pole step; and n1 is an order number of a torque harmonic to be disrupted. Alternatively, the first angular period Ƹ1 between first and secondary flux barriers is defined by the equation Ƹ1= τ/n2 whereby: Ƹ1 is the first angular period; τ is the pole step; and n2 is an average order number of first and second torque harmonics to be disrupted. Secondary flux barriers 111 may be present e.g. positioned between the magnet 105 and the pole surface.