Wind turbine generator rotor mounted upon generator stator
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03D-009/00
F03D-011/02
출원번호
US-0387209
(2011-02-14)
등록번호
US-8994205
(2015-03-31)
우선권정보
EP-10382190 (2010-07-12)
국제출원번호
PCT/EP2011/052153
(2011-02-14)
§371/§102 date
20120126
(20120126)
국제공개번호
WO2012/007186
(2012-01-19)
발명자
/ 주소
Castell Martínez, Daniel
출원인 / 주소
Alstom Wind, S.L.U.
대리인 / 주소
Squire Patton Boggs (US) LLP
인용정보
피인용 횟수 :
1인용 특허 :
2
초록▼
A wind turbine that includes a rotor, a generator, and a tower is described. The rotor includes a rotor hub and one or more rotor blades. The generator includes a generator stator and a generator rotor. The rotor hub is rotatably mounted on a frame and the generator and tower are arranged on the sam
A wind turbine that includes a rotor, a generator, and a tower is described. The rotor includes a rotor hub and one or more rotor blades. The generator includes a generator stator and a generator rotor. The rotor hub is rotatably mounted on a frame and the generator and tower are arranged on the same side of the rotor. The generator stator is attached to the frame substantially in a plane perpendicular to the rotor's rotational axis, and the generator rotor is rotatably mounted on a part of the generator stator.
대표청구항▼
1. A wind turbine comprising: a frame, having a longitudinal axis, that extends within a rotor and a generator, wherein the rotor includes a rotor hub and one or more rotor blades, the rotor hub being rotatably mounted on the frame at two points along the longitudinal axis of the frame; andthe gener
1. A wind turbine comprising: a frame, having a longitudinal axis, that extends within a rotor and a generator, wherein the rotor includes a rotor hub and one or more rotor blades, the rotor hub being rotatably mounted on the frame at two points along the longitudinal axis of the frame; andthe generator includes a generator stator and a generator rotor, the generator being arranged on a first side of the rotor, the generator stator being attached to the frame substantially in a plane perpendicular to a rotational axis of the rotor, and the generator rotor being rotatably mounted on a part of the generator stator;the wind turbine further comprising a tower being arranged on the first side of the rotor; anda flexible coupling that transmits the torque from the rotor to the generator rotor while substantially limiting the transfer of bending loads. 2. The wind turbine according to claim 1, wherein the generator rotor is rotatably mounted on the generator stator through two bearings. 3. The wind turbine according to claim 1, wherein the generator rotor is rotatably mounted on the generator stator through a single bearing. 4. The wind turbine according to claim 3, wherein the single bearing is a double tapered roller bearing. 5. The wind turbine according to claim 1, wherein the frame comprises at least two separate frame sections. 6. The wind turbine according to claim 5, wherein the frame comprises a front frame and a rear frame, and wherein the hub is rotatably mounted on the front frame, and the rear frame is rotatably mounted on the wind turbine tower. 7. The wind turbine according to claim 6, wherein the generator stator is mounted on the rear frame. 8. The wind turbine according to claim 5, wherein the frame comprises a front frame, middle frame and rear frame, and wherein the hub is rotatably mounted on the front frame, the generator is mounted on the middle frame, and the rear frame is rotatably mounted on the wind turbine tower. 9. The wind turbine according to claim 8, wherein the middle frame has substantially the same length as the generator. 10. The wind turbine according to claim 1, wherein one or more circumferentially arranged and substantially axial protrusions are attached to the rotor, the axial protrusions extend into a generator rotor carrying structure, and one or more flexible elements are arranged between one or more of the axial protrusions and the carrying structure. 11. The wind turbine according to claim 10, wherein the axial protrusions are connected to or integrally formed with the rotor hub. 12. The wind turbine according to claim 10, wherein the one or more blades are connected to the rotor hub with extenders, and the axial protrusions are connected to or integrally formed with the extenders. 13. The wind turbine according to claim 10, wherein a coupling body is connected to the rotor hub, the coupling body comprising the axial protrusions. 14. The wind turbine according to claim 10, wherein the flexible elements are made from elastic or visco-elastic material. 15. The wind turbine according to any claim 10, wherein the generator rotor is arranged radially inside of the generator stator. 16. The wind turbine according to claim 15, wherein the generator rotor carries a plurality of permanent magnets.
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