IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0509885
(2010-08-20)
|
등록번호 |
US-8734117
(2014-05-27)
|
우선권정보 |
EP-09014636 (2009-11-24) |
국제출원번호 |
PCT/EP2010/062184
(2010-08-20)
|
§371/§102 date |
20120515
(20120515)
|
국제공개번호 |
WO2011/064002
(2011-06-03)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Siemens Aktiengesellschaft
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
2 |
초록
▼
A grease collector is described, which is connectable to a wind turbine nacelle. The grease collector includes a channel with a flexible side portion for providing a sealing between the nacelle and a wind turbine tower. Moreover, a wind turbine nacelle and a wind turbine with a grease collector and
A grease collector is described, which is connectable to a wind turbine nacelle. The grease collector includes a channel with a flexible side portion for providing a sealing between the nacelle and a wind turbine tower. Moreover, a wind turbine nacelle and a wind turbine with a grease collector and a method for collecting excess grease which is emitted from a yaw system of a wind turbine are provided.
대표청구항
▼
1. A grease collector which is connectable to a wind turbine nacelle situated on a wind turbine tower, the grease collector comprising: an annular channel formed from a plurality of segments including a bottom portion, a flexible side portion attached to the bottom portion, and a second side portion
1. A grease collector which is connectable to a wind turbine nacelle situated on a wind turbine tower, the grease collector comprising: an annular channel formed from a plurality of segments including a bottom portion, a flexible side portion attached to the bottom portion, and a second side portion attached to the bottom portion, the flexible side portion arranged on a radially inward opening of the annular channel, the flexible side portion effective to abut to and surround the outside of the wind turbine tower, the flexible side portion effective to provide a seal between the wind turbine nacelle and the wind turbine tower,wherein the flexible side portion and the second side portion both angle upward from the bottom portion to form the annular channel. 2. The grease collector as claimed in claim 1, wherein the grease collector is formed from plastic material. 3. The grease collector as claimed in claim 1, further comprising a container for storing excess grease. 4. A wind turbine with a nacelle arranged on a wind turbine tower, comprising: a grease collector which comprises an annular channel formed from a plurality of segments including a bottom portion, a flexible side portion attached to the bottom portion, and a a second side portion attached to the bottom portion, the flexible side portion arranged at a radially inward opening of the annular channel, the flexible side portion abuts and surrounds the wind turbine tower, the flexible side portion effective for providing a sealing between the wind turbine nacelle and the wind turbine tower,wherein the flexible side portion and the second side portion both angle upward from the bottom portion to the form the annular channel. 5. The wind turbine as claimed in claim 4, wherein the grease collector is connected to the wind turbine nacelle by bolts or screws. 6. The wind turbine as claimed in claim 4, wherein the wind turbine nacelle comprises a yaw ring and the grease collector is positioned below the yaw ring. 7. The wind turbine as claimed in claim 4, wherein the wind turbine tower comprises a wearing surface, wherein the flexible side portion is abutted on the wearing surface. 8. The wind turbine as claimed in claim 4, wherein the flexible side portion of the grease collector surrounds the wind turbine tower about a circumference of the wind turbine tower. 9. A method for collecting excess grease which is emitted from a yaw system of a wind turbine, comprising: placing a grease collector below the yaw system, the grease collector comprises an annular channel formed from a plurality of segments including a bottom portion, a flexible side portion attached to the bottom portion, and a second side portion attached to the bottom portion, the flexible side portion arranged at a radially inward opening of the annular channel, the placing includes abutting the flexible side portion, which surrounds a wind turbine tower, with the wind turbine tower, the flexible side portion abutted to the wind turbine tower acts as a seal between the wind turbine nacelle and the wind turbine tower,leading excess grease into the channel of the grease collector by the flexible side portion,wherein the flexible side portion and the second side portion both angle upward from the bottom portion to form the annular channel. 10. The method as claimed in claim 9, wherein the excess grease is led into a container. 11. The method as claimed in claim 10, wherein the excess grease is removed by exchanging or emptying the container.
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