Wind power turbine and method of removing a bearing from a wind power turbine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03D-009/00
H02P-009/04
F03D-001/00
F03D-011/00
출원번호
US-0075400
(2011-03-30)
등록번호
US-8937397
(2015-01-20)
우선권정보
IT-MI2010A0531 (2010-03-30)
발명자
/ 주소
Gelmini, Emmanuele
출원인 / 주소
Wilic S.A.R.L.
대리인 / 주소
Neal, Gerber & Eisenberg LLP
인용정보
피인용 횟수 :
0인용 특허 :
213
초록▼
An electric energy producing wind power turbine having a nacelle, an electric generator having a stator and a rotor, a rotary assembly connected to the nacelle to rotate about an axis of rotation, and a bearing located between the rotary assembly and the nacelle, the nacelle having a first sector, w
An electric energy producing wind power turbine having a nacelle, an electric generator having a stator and a rotor, a rotary assembly connected to the nacelle to rotate about an axis of rotation, and a bearing located between the rotary assembly and the nacelle, the nacelle having a first sector, which is located at the bearing, which is removable from the nacelle, and which is configured to form, when removed, an opening in the nacelle to allow passage of the bearing.
대표청구항▼
1. An electric energy producing wind power turbine comprising: a nacelle;an electric generator having a stator and a rotor;a rotary assembly connected to the nacelle and configured to rotate about an axis of rotation; anda bearing located between the nacelle and the rotary assembly;wherein the nacel
1. An electric energy producing wind power turbine comprising: a nacelle;an electric generator having a stator and a rotor;a rotary assembly connected to the nacelle and configured to rotate about an axis of rotation; anda bearing located between the nacelle and the rotary assembly;wherein the nacelle includes: (i) a first partially annular sector which, in use, extends about the bearing and is located adjacent to the bearing, the first partially annular sector is removable from a remainder of the nacelle, and the first partially annular sector is configured to form, when removed, an opening in the nacelle to allow passage of the bearing, and(ii) a second partially annular sector complementary to the first partially annular sector and connected to the first partially annular sector about the axis of rotation to form a ring configured to support the bearing. 2. The electric energy producing wind power turbine of claim 1, wherein the first partially annular sector extends along an at least 180° arc about the axis of rotation, and the first partially annular sector has a width, measured parallel to the axis of rotation, greater than a width, measured parallel to the axis of rotation, of the bearing. 3. The electric energy producing wind power turbine of claim 2, wherein the first partially annular sector at least partially supports the bearing. 4. The electric energy producing wind power turbine of claim 1, wherein the ring is connected to a remainder of the nacelle by a sliding coupling configured to slide a plurality of millimeters in a direction parallel to the axis of rotation to permit adjustments of the position of the ring with respect to the remainder of the nacelle. 5. The electric energy producing wind power turbine of claim 1, wherein the stator is a tubular stator and the first partially annular sector and the second partially annular sector are connected to the tubular stator to define a portion of the nacelle. 6. The electric energy producing wind power turbine of claim 5, wherein the stator comprises a cylindrical wall which is connected to the first partially annular sector and the second partially annular sector to define the portion of the nacelle. 7. The electric energy producing wind power turbine of claim 1, wherein the rotary assembly comprises the rotor, a hub, a plurality of blades extending from the hub, and a connecting member located, adjacent to the bearing, between the hub and the rotor. 8. The electric energy producing wind power turbine of claim 7, wherein the connecting member has a width, measured along the axis of rotation, smaller than a width, measured along the axis of rotation, of the first partially annular sector. 9. The electric energy producing wind power turbine of claim 7, wherein the connecting member comprises a ring, on which the bearing is mounted. 10. The electric energy producing wind power turbine of claim 7, wherein the rotor is a tubular rotor comprising a cylindrical wall connected to the connecting member. 11. The electric energy producing wind power turbine of claim 7, wherein the hub comprises a flange selectively connectable to the connecting member and the nacelle. 12. A method of removing a bearing from a wind power turbine including a nacelle, an electric generator having a stator and a rotor, a rotary assembly connected to the nacelle and configured to rotate about an axis of rotation, and a bearing located between the nacelle and the rotary assembly, said method comprising: removing, from a location adjacent to the bearing, a first partially annular sector of the nacelle from the nacelle to form an opening large enough to allow passage of the bearing, wherein prior to being removed, the first partially annular sector of the nacelle is connected about the axis of rotation to a second partially annular sector of the nacelle, said second partially annular sector of the nacelle being complementary to the first partially annular sector such that the first partially annular sector of the nacelle and the second partially annular sector of the nacelle form a ring configured to support the bearing;releasing the bearing at least partly from the rotary assembly; andremoving the bearing through the formed opening in the nacelle. 13. The method of claim 12, wherein the rotary assembly comprises the rotor, a hub, and a plurality of blades extending from the hub and which includes fixing the hub to the nacelle before removing the first partially annular sector. 14. The method of claim 13, wherein the rotary assembly comprises a connecting member located, adjacent to the bearing, between the hub and the rotor, and which includes fixing the rotor to the nacelle, and releasing the connecting member from the rotor and the hub. 15. The method of claim 14, wherein the formed ring is connected to a remainder of the nacelle by a sliding coupling that slides in a direction parallel to the axis of rotation, and which includes moving the ring away from the remainder of the nacelle along the axis of rotation to form a gap between the rotor and the connecting member. 16. The method of claim 13, which includes removing the first partially annular sector, the bearing, and the connecting member simultaneously from the nacelle. 17. An electric energy producing wind power turbine comprising: a nacelle;an electric generator having a stator and a rotor;one bearing; anda rotary assembly connected to the nacelle by said bearing and configured to rotate about an axis of rotation;wherein: the nacelle includes first and second annular sectors complementary to each other and connected together to form a ring configured to support the bearing,said ring is displaceable in an axial direction with respect to a remainder of the nacelle, andthe first annular sector is removable from the remainder of the nacelle. 18. An electric energy producing wind power turbine nacelle arrangement comprising: a cylindrical wall; andfirst and second annular sectors complementary to each other and connected together to: (i) form a ring configured to support one rotary assembly bearing, and (ii) extend about an axis;wherein: the ring is connected to the cylindrical wall and displaceable in an axial direction with respect to the cylindrical wall, andthe first annular sector is removable from the cylindrical wall and the second annular ring in a radial direction to form, when removed, an opening to allow passage of the bearing.
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