A wind turbine rotary electric machine having a tubular body, in turn having a cylindrical wall; and a plurality of clips formed integrally with the cylindrical wall and configured so that each pair of facing clips defines a seat for housing an active sector.
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1. A wind turbine rotary electric machine comprising: a rotor including a tubular body which extends about an axis, said tubular body including: a first cylindrical wall, anda plurality of clips parallel to the axis and formed integrally with the first cylindrical wall, wherein: (i) each pair of fac
1. A wind turbine rotary electric machine comprising: a rotor including a tubular body which extends about an axis, said tubular body including: a first cylindrical wall, anda plurality of clips parallel to the axis and formed integrally with the first cylindrical wall, wherein: (i) each pair of facing clips defines a seat configured to at least partly house an active sector including a magnetic guide and a quantity of magnets,(ii) each pair of facing clips is configured to exert elastic grip on the at least partly housed active sector of said pair of facing clips to form a channel between said pair of facing clips, said active sector, and a portion of the first cylindrical wall, and(iii) the pairs of facing clips are separated by a plurality of axial gaps defined by the first cylindrical wall and the plurality of clips, said axial gaps are sized to allow the pair of facing clips to flex circumferentially and elastically part by an amount to allow the insertion and removal of the active sector of said pair of facing clips. 2. The wind turbine rotary electric machine of claim 1, wherein each clip of each pair of facing clips includes: a base portion adjacent to the first cylindrical wall, andan end portion configured to grip the active sector at least partly housed by said pair of facing clips. 3. The wind turbine rotary electric machine of claim 2, wherein the end portion has ridges and grooves to define a shape which is complementary in shape to a part of the active sector. 4. The wind turbine rotary electric machine of claim 1, wherein the clips extend axially to a length shorter than the first cylindrical wall to define a portion of the first cylindrical wall with no clips. 5. The wind turbine rotary electric machine of claim 1, wherein the tubular body includes a second cylindrical wall formed integrally with the first cylindrical wall and configured to support a bearing. 6. The wind turbine rotary electric machine of claim 5, wherein the second cylindrical wall is smaller in diameter than the first cylindrical wall and the tubular body includes an annular wall connecting and formed integrally with the first cylindrical wall and the second cylindrical wall. 7. The wind turbine rotary electric machine of claim 5, wherein the tubular body includes a flange configured to connect the tubular body to a hub supporting a plurality of blades of a wind turbine, the flange being adjacent to and formed integrally with the second cylindrical wall. 8. The wind turbine rotary electric machine of claim 1, wherein the first cylindrical wall and the clips are formed in one body. 9. The wind turbine rotary electric machine of claim 1, wherein the tubular body is cast. 10. The wind turbine rotary electric machine of claim 1, wherein the tubular body is made of non-magnetic material. 11. The wind turbine rotary electric machine of claim 1, wherein the tubular body is made from a material selected from the group consisting of: aluminium and aluminium alloy. 12. The wind turbine rotary electric machine of claim 1, wherein the tubular body is greater than 1.5 meters in diameter. 13. The wind turbine rotary electric machine of claim 1, wherein the rotor includes a plurality of active sectors housed in said seats. 14. The wind turbine rotary electric machine of claim 1, wherein the tubular body includes a plurality of cooling fins formed integrally with the first cylindrical wall. 15. The wind turbine rotary electric machine of claim 14, wherein the cooling fins are located on the opposite side of the first cylindrical wall to said clips. 16. The wind turbine rotary electric machine of claim 14, wherein the cooling fins project from the clips. 17. The wind turbine rotary electric machine of claim 1, wherein the tubular body defines a plurality of through holes configured to conduct cooling fluid. 18. The wind turbine rotary electric machine of claim 17, wherein the through holes extend through the first cylindrical wall to connect a defined space between each pair of clips to a defined space on the opposite side of the first cylindrical wall to the clips. 19. The wind turbine rotary electric machine of claim 1, which includes a hub and a plurality of blades fitted to the hub, wherein said tubular body is connected directly to the hub. 20. The wind turbine rotary electric machine of claim 1, wherein the wind turbine rotary electric machine includes a synchronous permanent magnet rotary electric machine. 21. A wind turbine comprising: a hub;a plurality of blades fitted to the hub; anda rotor connected directly to the hub and configured to rotate about an axis, said rotor including: a tubular body which extends about the axis, said tubular body including: a first cylindrical wall, anda plurality of elastic clips parallel to the axis and formed integrally with the first cylindrical wall, wherein each pair of facing elastic clips at least partially defines: (i) a seat configured to at least partly house an active sector, and (ii) an axial cooling channel,wherein said tubular body defines at least one through hole configured to conduct a cooling fluid from the axial cooling channel through the first cylindrical wall. 22. The wind turbine of claim 21, wherein each clip includes: a base portion adjacent to the first cylindrical wall, andan end portion configured to grip the active sector, wherein each pair of facing elastic clips, the active sector, and a portion of the first cylindrical wall define the axial cooling channel. 23. The wind turbine of claim 21, wherein the tubular body includes a second cylindrical wall formed integrally with the first cylindrical wall and configured to support a bearing. 24. The wind turbine of claim 23, wherein the second cylindrical wall is smaller in diameter than the first cylindrical wall and the tubular body includes an annular wall connecting and formed integrally with the first cylindrical wall and the second cylindrical wall. 25. The wind turbine of claim 21, wherein the first cylindrical wall and the clips are formed in one body. 26. The wind turbine of claim 21, wherein the tubular body is made of non-magnetic material. 27. The wind turbine of claim 21, wherein the tubular body includes a plurality of cooling fins formed integrally with the first cylindrical wall. 28. A wind turbine rotary electric machine comprising: a rotor configured to rotate about an axis, said rotor including: a tubular body which extends about the axis, said tubular body including: an outer rotor wall, anda plurality of clips formed integrally with at least a portion of the outer rotor wall, wherein a pair of facing clips defines a seat configured to at least partly house an active sector including a magnetic guide and a quantity of magnets, the pair of facing clips is configured to exert elastic grip on the active sector and the pair of facing clips is elastically deformable to flex circumferentially, anda plurality of axial channels, each axial channel defined by one of the pairs of facing clips, the active sector at least partly housed in the seat defined by the pair of facing clips and the portion of the outer rotor wall. 29. The wind turbine rotary electric machine of claim 28, wherein the wind turbine rotary electric machine includes a synchronous permanent magnet rotary electric machine.
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