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US 8,912,680 B2Granted
Wind power turbine rotary electric machine
AssigneeWilic S.AR.L.
InventorsEmmanuele Gelmini, Matteo Casazza
Life of this patent
Estimating the term…
Abstract
A rotary electric machine for a wind power turbine for generating electric power has a tubular stator having a plurality of stator segments; a tubular rotor which has a plurality of rotor segments, is located inside the tubular stator, and rotates about an axis of rotation with respect to the tubular stator; a sleeve located at least partly inside the tubular rotor and connectable to a supporting frame of the wind power turbine; and a bearing located inside and fixed to the sleeve, and which supports the tubular rotor rotating with respect to the sleeve.
Claims33
An electric power generating wind power turbine rotary electric machine comprising:
- a tubular stator including a plurality of stator segments;
- a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about an axis of rotation with respect to the tubular stator;
- a sleeve located at least partly inside the tubular rotor and connectable to a supporting frame of a direct-drive wind power turbine;
- and
- a single bearing located inside and fixed to the sleeve, and which supports a rotation of the tubular rotor with respect to the sleeve.
2 more elements
An electric power generating wind power turbine rotary electric machine sleeve comprising:
- a first end ring configured to connect to a supporting frame of a direct-drive wind power turbine having:
- (a) a tubular stator including a plurality of stator segments, and (b) a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about an axis of rotation with respect to the tubular stator;
- a second end ring smaller than the first end ring and configured to house a single bearing of the direct-drive wind power turbine;
- and
- a connecting portion connecting the first end ring and the second end ring.
2 more elements
An electric energy producing direct-drive wind power turbine comprising:
- a nacelle and configured to rotate about a first axis;
- a blade assembly configured to rotate with respect to the nacelle about a second axis;
- and
- a rotary electric machine fitted to the nacelle and configured to produce electric energy, said rotary electric machine including:
- a tubular stator including a plurality of stator segments;
- a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about the second axis with respect to the tubular stator;
- a sleeve located at least partly inside the tubular rotor and connectable to the nacelle;
- and
- a single bearing located inside and fixed to the sleeve, and which supports a rotation of the tubular rotor with respect to the sleeve.
6 more elements
An electric power generating wind power turbine rotary electric machine comprising:
- a tubular stator including a plurality of stator segments;
- a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about an axis of rotation with respect to the tubular stator;
- a sleeve located at least partly inside the tubular rotor, said sleeve including
- a first end ring configured to connect to a supporting frame of a wind power turbine,
- a second end ring smaller than the first end ring and configured to house the bearing, and
- a connecting portion connecting the first end ring and the second end ring, said connecting portion including a plurality of arms between the first end ring and the second end ring;
- and
- a bearing located inside and fixed to the sleeve, and which supports a rotation of the tubular rotor with respect to the sleeve.
5 more elements
An electric power generating wind power turbine rotary electric machine comprising:
- a tubular stator including a plurality of stator segments, said tubular stator including:
- a tubular stator member configured to support the plurality of stator segments along an inner face, and
- a plurality of arms;
- a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about an axis of rotation with respect to the tubular stator;
- a sleeve located at least partly inside the tubular rotor, said sleeve including:
- a first end ring configured to connect to a supporting frame of a wind power turbine,
- a second end ring smaller than the first end ring and configured to house the bearing, and
- a connecting portion connecting the first end ring and the second end ring,
- wherein the tubular stator is fitted to and projects from the sleeve and the plurality of arms of the tubular stator are arranged about the first end ring to connect one end of the tubular stator member to the sleeve;
- a bearing located inside and fixed to the sleeve, and which supports a rotation of the tubular rotor with respect to the sleeve.
7 more elements
An electric power generating wind power turbine rotary electric machine comprising:
- a tubular stator including a plurality of stator segments;
- a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about an axis of rotation with respect to the tubular stator;
- a sleeve located at least partly inside the tubular rotor and connectable to a supporting frame of a wind power turbine, wherein the sleeve and the tubular rotor are connectable by an actuating device configured to rotate the tubular rotor about the axis of rotation with respect to the sleeve;
- and
- a bearing located inside and fixed to the sleeve, and which supports a rotation of the tubular rotor with respect to the sleeve.
2 more elements
An electric power generating wind power turbine rotary electric machine sleeve comprising:
- a first end ring configured to connect to a supporting frame of a wind power turbine having:
- (a) a tubular stator including a plurality of stator segments, and (b) a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about an axis of rotation with respect to the tubular stator;
- a second end ring smaller than the first end ring and configured to house a bearing of the wind power turbine;
- and
- a connecting portion connecting the first end ring and the second end ring, said connecting portion including a plurality of arms between the first end ring and the second end ring.
2 more elements
An electric energy producing wind power turbine comprising:
- a nacelle and configured to rotate about a first axis;
- a blade assembly configured to rotate with respect to the nacelle about a second axis;
- and
- a rotary electric machine fitted to the nacelle and configured to produce electric energy, said rotary electric machine including:
- a tubular stator including a plurality of stator segments;
- a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about the second axis with respect to the tubular stator;
- a sleeve located at least partly inside the tubular rotor, said sleeve including:
- a first end ring configured to connect to the nacelle,
- a second end ring smaller than the first end ring and configured to house the bearing, and
- a connecting portion connecting the first end ring and the second end ring, said connecting portion including a plurality of arms between the first end ring and the second end ring;
- and
- a bearing located inside and fixed to the sleeve, and which supports a rotation of the tubular rotor with respect to the sleeve.
9 more elements
An electric energy producing wind power turbine comprising:
- a nacelle and configured to rotate about a first axis;
- a blade assembly configured to rotate with respect to the nacelle about a second axis;
- and
- a rotary electric machine fitted to the nacelle and configured to produce electric energy, said rotary electric machine including:
- a tubular stator including a plurality of stator segments, said tubular stator including:
- a tubular stator member configured to support the plurality of stator segments along an inner face, and
- a plurality of arms;
- a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about the second axis with respect to the tubular stator;
- a sleeve located at least partly inside the tubular rotor, said sleeve including:
- a first end ring configured to connect to the nacelle,
- a second end ring smaller than the first end ring and configured to house the bearing, and
- a connecting portion connecting the first end ring and the second end ring,
- wherein the tubular stator is fitted to and projects from the sleeve and the plurality of arms of the tubular stator are arranged about the first end ring to connect one end of the tubular stator member to the sleeve;
- and
- a bearing located inside and fixed to the sleeve, and which supports a rotation of the tubular rotor with respect to the sleeve.
12 more elements
An electric energy producing wind power turbine comprising:
- a nacelle and configured to rotate about a first axis;
- a blade assembly configured to rotate with respect to the nacelle about a second axis;
- and
- a rotary electric machine fitted to the nacelle and configured to produce electric energy, said rotary electric machine including:
- a tubular stator including a plurality of stator segments;
- a tubular rotor including a plurality of rotor segments, said tubular rotor being located inside the tubular stator and configured to rotate about the second axis with respect to the tubular stator;
- a sleeve located at least partly inside the tubular rotor and connectable to the nacelle, wherein the sleeve and the tubular rotor are connectable by an actuating device configured to rotate the tubular rotor about the second axis with respect to the sleeve;
- and
- a bearing located inside and fixed to the sleeve, and which supports a rotation of the tubular rotor with respect to the sleeve.
6 more elements
Dependencies are inferred from the claim text.