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1. WO2007147922 - LOW-INERTIA PERMANENT-MAGNET ELECTRICAL MACHINE ROTOR.

Publication Number WO/2007/147922
Publication Date 27.12.2007
International Application No. PCT/ES2007/070115
International Filing Date 12.06.2007
IPC
H02K 1/27 2006.01
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
F03D 11/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
11Details, component parts, or accessories not provided for in, or of interest apart from, the other groups of this subclass
CPC
F03D 80/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
DWIND MOTORS
80Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
H02K 1/2773
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
2773consisting of tangentially magnetized radial magnets
H02K 7/1838
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
18Structural association of electric generators with mechanical driving motors, e.g. turbine
1807Rotary generators
1823structurally associated with turbines or similar engines
183wherein the turbine is a wind turbine
1838Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
Y02E 10/72
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
10Energy generation through renewable energy sources
70Wind energy
72Wind turbines with rotation axis in wind direction
Applicants
  • GAMESA INNOVATION & TECHNOLOGY, S.L. [ES]/[ES] (AllExceptUS)
  • RODRIGUEZ RODRIGUEZ, Rafael [ES]/[ES] (UsOnly)
  • PEREDO ARGOS, Jaime [ES]/[ES] (UsOnly)
Inventors
  • RODRIGUEZ RODRIGUEZ, Rafael
  • PEREDO ARGOS, Jaime
Priority Data
P20060160114.06.2006ES
Publication Language Spanish (ES)
Filing Language Spanish (ES)
Designated States
Title
(EN) LOW-INERTIA PERMANENT-MAGNET ELECTRICAL MACHINE ROTOR.
(ES) ROTOR DE MÁQUINA ELÉCTRICA DE IMANES PERMANENTES DE BAJA INERCIA.
(FR) ROTOR DE MACHINE ÉLECTRIQUE À AIMANTS PERMANENTS À FAIBLE INERTIE
Abstract
(EN)
Rotor (11) for an electrical machine with permanent magnets of low inertia (13) located between the poles (15) of the electrical machine and a rotor hub, in which the rotor hub comprises an inner shell (21) and an intermediate ring (23) between it and said magnets (13), said intermediate ring (23) being produced from a non-magnetic material (such as aluminium, a compound material or a plastic material), with the minimum thickness that prevents flux losses, and the inner shell (21) being produced from a metallic material (such as cast iron or steel), with a thickness sufficient to withstand, together with the intermediate ring (23), the mechanical stresses deriving from operation of the rotor (11).
(ES)
Rotor (11 ) de una máquina eléctrica de imanes permanentes de baja inercia (13) situados entre los polos (15) de Ia máquina eléctrica y un cubo de rotor, en el que el cubo de rotor comprende una virola interna (21 ) y un anillo intermedio (23) entre ella y dichos imanes (13), estando realizado dicho anillo intermedio (23) en un material a-magnético (tal como aluminio, un material compuesto ó un material plástico), con el mínimo espesor que evite pérdidas de flujo y estando realizada Ia virola interna (21 ) en un material metálico ( tal como fundición ó acero) con un espesor suficiente para resistir, junto con el anillo intermedio (23), los esfuerzos mecánicos derivados del funcionamiento del rotor (11 ).
(FR)
L'invention concerne un rotor (11 ) de machine électrique à aimants permanents à faible inertie (13) situés entre les pôles (15) de Ia machine électrique et un moyeu de rotor. Ledit moyeu de rotor comprend une virole interne (21 ) et un anneau intermédiaire (23) entre celle-ci et lesdits aimants (13), ledit anneau intermédiaire (23) étant fait d'un matériau amagnétique (tel que l'aluminium, un matériau composé ou un matériau plastique) d'une épaisseur minimale permettant d'éviter des pertes de flux, et ladite virole interne (21) étant faite d'un matériau métallique (tel que la fonte ou l'acier) d'une épaisseur suffisante pour résister, conjointement à l'anneau intermédiaire (23), aux efforts mécaniques dérivés du fonctionnement du rotor (11).
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