IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0508082
(2009-07-23)
|
등록번호 |
US-8120198
(2012-02-21)
|
우선권정보 |
IT-MI2008A1340 (2008-07-23) |
발명자
/ 주소 |
- Pabst, Otto
- Casazza, Matteo
- Gelmini, Emmanuele
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
215 |
초록
▼
A wind power turbine has a fixed assembly; a mobile assembly fitted to the fixed assembly to rotate about an axis with respect to the fixed assembly; and a locking device for making the mobile assembly and the fixed assembly integral with each other; the locking device has at least one groove formed
A wind power turbine has a fixed assembly; a mobile assembly fitted to the fixed assembly to rotate about an axis with respect to the fixed assembly; and a locking device for making the mobile assembly and the fixed assembly integral with each other; the locking device has at least one groove formed on the fixed assembly or the mobile assembly and coaxial with the axis, and angular locking means that can be activated to pressure engage the groove.
대표청구항
▼
1. A wind power turbine comprising: an electric generator having a stator and a rotor;a fixed assembly including the stator;a mobile assembly including the rotor and mounted on the fixed assembly, said mobile assembly configured to rotate with respect to the fixed assembly about an axis; anda lockin
1. A wind power turbine comprising: an electric generator having a stator and a rotor;a fixed assembly including the stator;a mobile assembly including the rotor and mounted on the fixed assembly, said mobile assembly configured to rotate with respect to the fixed assembly about an axis; anda locking device configured to lock the mobile assembly to the fixed assembly, the locking assembly including: at least a groove formed in one of the fixed assembly and the mobile assembly and is coaxial to the axis, andan angular locker configured to pressure engage the groove. 2. The wind power turbine of claim 1, wherein the groove is an annular groove and the angular locker include a plurality of wedge-shaped members carried by the other one of the fixed assembly and the mobile assembly, each of said wedge-shaped members is configured to actuate to pressure engage the annular groove. 3. The wind power turbine of claim 2, wherein the wedge-shaped members include at least a set of locking screws, each locking screw configured to engage a relative threaded hole formed in the other one of the fixed assembly and the mobile assembly to pressure engage the annular groove. 4. The power turbine of claim 3, wherein the annular groove has a trapezoidal cross-section, and each locking screw has a conical tip configured to pressure engage the annular groove. 5. The wind power turbine of claim 3, wherein each locking screw is inclined with respect to the axis and the annular groove is formed along a conical surface perpendicular to the locking screws. 6. The wind power turbine of claim 3, wherein the threaded hole is formed in the mobile assembly. 7. The wind power turbine of claim 2, wherein the wedge-shaped members include a set of wedges that are each configured to engage a relative seat formed in the other of the fixed assembly and the mobile assembly, each wedge is configured to move radially to pressure engage the annular groove. 8. The wind power turbine of claim 2, wherein the angular locker includes a first stator locker configured to angularly lock the blade assembly with respect to the stator, and a second rotor locker configured to angularly lock the rotor with respect to the stator, each of said first stator locker and said second rotor locker includes a relative annular groove and a relative set of wedge-shaped members. 9. The wind power turbine of claim 8, wherein the first stator locker includes a first annular groove formed in the stator and a first set of locking screws mounted on the blade assembly and configured to pressure engage the first annular groove. 10. The wind power turbine of claim 9, wherein the second rotor locker includes a second annular groove formed in the stator, and a second set of locking screws mounted on the rotor and configured to pressure engage the second annular groove. 11. The wind power turbine of claim 9, wherein the annular grooves are formed along respective conical surfaces of the stator. 12. The wind power turbine of claim 11, wherein the blade assembly includes a hub, and each locking screw of the first set of locking screws is configured to fit into a relative threaded hole formed in the hub. 13. The wind power turbine of claim 11, wherein the rotor includes an inner flange, and each locking screw of the second set of locking screws is configured to fit into a relative threaded hole formed in said inner flange. 14. The wind power turbine of claim 8, wherein the first stator locker includes a first annular groove formed in the blade assembly and a set of wedge-shaped members which are each configured to radially sliding releasably engage a relative seat formed in the stator, said set of wedge-shaped members radially mobile and configured to pressure engage the first annular groove. 15. The wind power turbine of claim 14, which includes: a first screw set between each wedge-shaped member and the relative seat and configured to displace the wedge-shaped member towards the first annular groove, anda second screw configured to engage each wedge-shaped member to lock the wedge-shaped member in the relative seat and on the stator. 16. The wind power turbine of claim 1, wherein the fixed assembly includes a nacelle, and the stator, and the mobile assembly includes a blade assembly, the rotor, a shaft coaxial with the axis, a first connector configured to dismountably connect the shaft directly to the blade assembly, a second connector configured to dismountably connect the shaft to the rotor and a bearing set between the shaft and the stator, said bearing configured to rotatably support the shaft on the stator. 17. The wind power turbine of claim 16, wherein the second connector includes a plurality of wedge-shaped members set between the shaft and the rotor and a screw mounted on the wedge-shaped members, said screw configured to dismountably couple to the rotor to push the wedge-shaped members between the shaft and the rotor. 18. The wind power turbine of claim 17, wherein said wedge-shaped members include an annular rib coaxial with the axis and a wedge-shaped cross section. 19. The wind power turbine of claim 18, wherein the second connector includes an annular plate set in contact with a free end of the shaft, wherein a peripheral portion of the annular plate protrudes towards the outside of the shaft and supports the annular rib. 20. The wind power turbine of claim 1, wherein the locking device includes at least a first groove formed in the fixed assembly, a second groove formed in the mobile assembly and facing the first groove, and the angular locker is configured to pressure engage the first groove and the second groove. 21. The wind power turbine of claim 20, wherein the angular locker includes at least an expandable annular sector including an outer wedge-shaped member, an inner wedge-shaped member configured to respectively pressure engage the first groove and the second groove, and at least an intermediate wedge-shape member configured to selectively space apart the outer wedge-shaped member and the inner wedge-shaped member.
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