IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0850346
(2010-08-04)
|
등록번호 |
US-8310080
(2012-11-13)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
3 |
초록
▼
A yaw assembly for use in a wind turbine. The yaw assembly includes a shaft coupled to a yaw drive assembly. The shaft extends outwardly from said yaw drive assembly. A pinion is operatively coupled to the shaft. A slip assembly is positioned between the pinion and the shaft. The slip assembly is co
A yaw assembly for use in a wind turbine. The yaw assembly includes a shaft coupled to a yaw drive assembly. The shaft extends outwardly from said yaw drive assembly. A pinion is operatively coupled to the shaft. A slip assembly is positioned between the pinion and the shaft. The slip assembly is configured to facilitate selectively rotating the pinion with respect to the shaft.
대표청구항
▼
1. A yaw assembly for use in a wind turbine, said yaw assembly comprising: a shaft coupled to a yaw drive assembly, said shaft extending outwardly from said yaw drive assembly;a pinion operatively coupled to said shaft; and,a slip assembly positioned between said pinion and said shaft, said slip ass
1. A yaw assembly for use in a wind turbine, said yaw assembly comprising: a shaft coupled to a yaw drive assembly, said shaft extending outwardly from said yaw drive assembly;a pinion operatively coupled to said shaft; and,a slip assembly positioned between said pinion and said shaft, said slip assembly comprising a torque limit assembly positioned adjacent an outer surface of said shaft and a bushing positioned between said torque limit assembly and said pinion, said slip assembly configured to facilitate selectively rotating said pinion with respect to said shaft. 2. A yaw assembly in accordance with claim 1, wherein said pinion defines a pinion bore sized to receive said shaft and said slip assembly. 3. A yaw assembly in accordance with claim 1, wherein said torque limit assembly comprises: at least one radially inner member positioned adjacent said outer surface; and,at least one radially outer member positioned between said radially inner member and said bushing. 4. A yaw assembly in accordance with claim 3, wherein said torque limit assembly further comprises an adjustment assembly coupled to said radially inner member and said radially outer member, said adjustment member selectively actuatable to move the radially inner member with respect to the radially outer member. 5. A yaw assembly in accordance with claim 4, wherein said torque limit assembly further comprises an end plate coupled to said radially outer member and to an end surface of said shaft, said end plate configured to facilitate preventing movement of said radially outer member with respect to an axis of said shaft. 6. A yaw assembly in accordance with claim 3, wherein said torque limit assembly further comprises a ring-nut assembly coupled to said shaft. 7. A yaw assembly in accordance with claim 6, wherein said radially outer member is movable with respect to said radially inner member, and said ring-nut assembly is configured to position said radially outer member along a longitudinal axis defined by said shaft. 8. A yaw system for use with a wind turbine, the wind turbine including a nacelle coupled to a tower, said yaw system comprising: a yaw bearing coupled between the nacelle and the tower;a yaw drive assembly coupled to the nacelle;a shaft coupled to said yaw drive assembly, said shaft extending outwardly from said yaw drive assembly;a pinion operatively coupled to said shaft, said pinion configured to engage said yaw bearing; and,a slip assembly positioned between said pinion and said shaft, said slip assembly comprising a torque limit assembly positioned adjacent an outer surface of said shaft and a bushing positioned between said torque limit assembly and said pinion, said slip assembly configured to selectively transfer a torque loading from said yaw drive assembly to said pinion. 9. A yaw system in accordance with claim 8, wherein said torque limit assembly further comprises: at least one radially inner member positioned adjacent said outer surface; and,at least one radially outer member positioned between said radially inner member and said bushing. 10. A yaw system in accordance with claim 9, wherein said torque limit assembly further comprises an adjustment assembly coupled to said radially inner member and said radially outer member, wherein said adjustment assembly is actuatable to move said radially inner member with respect to said radially outer member and said shaft. 11. A yaw system in accordance with claim 10, wherein said torque limit assembly further comprises an end plate coupled to said radially outer member and to an end surface of said shaft, said end plate configured to facilitate preventing movement of said radially outer member with respect to an axis of said shaft. 12. A yaw system in accordance with claim 11, wherein said radially outer member is movable with respect to said radially inner member, said torque limit assembly further comprises a ring-nut assembly rotatably coupled to said shaft, said ring-nut assembly configured to position said radially outer member along a longitudinal axis defined by said shaft. 13. A wind turbine system, comprising: a tower;a nacelle rotatably coupled to said tower;a yaw bearing coupled between said nacelle and said tower;a yaw drive assembly coupled to said nacelle;a shaft coupled to said yaw drive assembly, said shaft extending outwardly from said yaw drive assembly;a pinion operatively coupled to said shaft, said pinion configured to engage said yaw bearing; and,a slip assembly positioned between said pinion and said shaft, said slip assembly comprising a torque limit assembly positioned adjacent an outer surface of said shaft and a bushing positioned between said torque limit assembly and said pinion, said slip assembly configured to facilitate selectively rotating said pinion with respect to said shaft. 14. A wind turbine system in accordance with claim 13, wherein said torque limit assembly further comprises: at least one radially inner member positioned adjacent said outer surface; and,at least one radially outer member positioned between said radially inner member and said bushing. 15. A wind turbine system in accordance with claim 14, wherein said radially outer member is movable with respect to said radially inner member, said torque limit assembly further comprises a ring-nut assembly rotatably coupled to said shaft, said ring-nut assembly configured to position said radially outer member along a longitudinal axis defined by said shaft. 16. A wind turbine system in accordance with claim 14, wherein said torque limit assembly further comprises an adjustment assembly coupled to said radially inner member and said radially outer member, wherein said adjustment assembly is actuatable to move said radially inner member with respect to said radially outer member and said shaft. 17. A wind turbine system in accordance with claim 16, wherein said torque limit assembly further comprises an end plate coupled to said radially outer member and to an end surface of said shaft, said end plate configured to facilitate preventing movement of said radially outer member with respect to an axis of said shaft.
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