IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0380923
(2009-03-05)
|
등록번호 |
US-8167495
(2012-05-01)
|
우선권정보 |
EP-08004588 (2008-03-12) |
발명자
/ 주소 |
|
출원인 / 주소 |
- Siemens Aktiengesellschaft
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
5 |
초록
▼
A device is provided having a support structure and a rotating shaft having a center axis which rotating shaft and support structure are pivotable supported against each other by at least one hydrodynamic rotary bearing including a first bearing part and a second bearing part pivotable relatively to
A device is provided having a support structure and a rotating shaft having a center axis which rotating shaft and support structure are pivotable supported against each other by at least one hydrodynamic rotary bearing including a first bearing part and a second bearing part pivotable relatively to each other, a lubricant and a contact zone between the first bearing part and the second bearing part at least when the hydrodynamic rotary bearing is at rest, wherein the rotating shaft and the support structure are shaped in such a way and the hydrodynamic rotary bearing is in such a way arranged on the rotating shaft and the support structure that the contact zone of the hydrodynamic rotary bearing is submerged in the lubricant even when the hydrodynamic rotary bearing is at rest.
대표청구항
▼
1. A device, comprising: a hydrodynamic rotary bearing, comprising: a first bearing part and a second bearing part pivotable relatively to each other, anda lubricant and a contact zone between the first bearing part and the second bearing part at least when the hydrodynamic rotary bearing is at rest
1. A device, comprising: a hydrodynamic rotary bearing, comprising: a first bearing part and a second bearing part pivotable relatively to each other, anda lubricant and a contact zone between the first bearing part and the second bearing part at least when the hydrodynamic rotary bearing is at rest;a support structure comprising a first ring-shaped projection; anda rotating shaft,wherein the support structure and the rotating shaft having a centre axis which rotating shaft and support structure are pivotable supported against each other via the hydrodynamic rotary bearing,wherein a shape of the rotating shaft and a shape the support structure are such that when they are arranged on the hydrodynamic rotary bearing that the contact zone of the hydrodynamic rotary bearing is submerged in the lubricant even when the hydrodynamic rotary bearing is at rest,wherein the first ring-shaped projection of the support structure is connected to the second bearing part, andwherein the first bearing part is an outer bearing sleeve and the second bearing part is an inner ring. 2. The device according to claim 1, wherein the rotating shaft comprises a second ring-shaped projection having an outer ring-shaped surface and an inner ring-shaped surface in relation to the centre axis of the rotating shaft, andwherein a first bearing part of a second hydrodynamic rotary bearing is arranged on the inner ring-shaped surface of the second ring-shaped projection of the rotating shaft. 3. The device according to claim 1, wherein the support structure comprises a cylindrical or a second ring-shaped projection, andwherein the cylindrical or the second ring-shaped projection of the support structure is connected to a second bearing part of a second hydrodynamic rotary bearing. 4. The device according to claim 1, wherein the rotating shaft carries a rotor arrangement of a generator. 5. The device according to claim 1, wherein the support structure is a support structure of a stator arrangement of a generator. 6. The device according to claim 5, wherein the generator is a direct drive generator provided for a wind turbine. 7. A wind turbine comprising: a device according to claim 1. 8. The wind turbine according to claim 7, wherein the first bearing part is an outer bearing sleeve and the second bearing part is an inner ring of the hydrodynamic rotary bearing. 9. A device, comprising: a hydrodynamic rotary bearing, comprising: a first bearing part and a second bearing part pivotable relatively to each other, anda lubricant and a contact zone between the first bearing part and the second bearing part at least when the hydrodynamic rotary bearing is at rest;a support structure; anda rotating shaft,wherein the support structure and the rotating shaft having a centre axis which rotating shaft and support structure are pivotable supported against each other via the hydrodynamic rotary bearing,wherein a shape of the rotating shaft and a shape the support structure are such that when they are arranged on the hydrodynamic rotary bearing that the contact zone of the hydrodynamic rotary bearing is submerged in the lubricant even when the hydrodynamic rotary bearing is at rest,wherein the rotating shaft comprises a first ring-shaped projection having an outer ring-shaped surface and an inner ring-shaped surface in relation to the centre axis of the rotating shaft, andwherein the first bearing part of a first hydrodynamic rotary bearing is arranged on the inner ring-shaped surface of the first ring-shaped projection of the rotating shaft. 10. The device according to claim 9, wherein the rotating shaft comprises a second ring-shaped projection having an outer ring-shaped surface and an inner ring-shaped surface in relation to the centre axis of the rotating shaft, andwherein the first bearing part of a second hydrodynamic rotary bearing is arranged on the inner ring-shaped surface of the second ring-shaped projection of the rotating shaft. 11. The device according to claim 9, wherein the support structure comprises a cylindrical or a second ring-shaped projection, andwherein the cylindrical or the second ring-shaped projection of the support structure is connected to the second bearing part of the second hydrodynamic rotary bearing. 12. A wind turbine comprising: a hydrodynamic rotary bearing, comprising: a first bearing part and a second bearing part pivotable relatively to each other, anda lubricant and a contact zone between the first bearing part and the second bearing part at least when the hydrodynamic rotary bearing is at rest;a support structure; anda rotating shaft,wherein the support structure and the rotating shaft having a centre axis which rotating shaft and support structure are pivotable supported against each other via the hydrodynamic rotary bearing,wherein a shape of the rotating shaft and a shape the support structure are such that, when they are arranged on the hydrodynamic rotary bearing, the contact zone of the hydrodynamic rotary bearing is submerged in the lubricant even when the hydrodynamic rotary bearing is at rest,wherein the rotating shaft comprises a first ring-shaped projection having an outer ring-shaped surface and an inner ring-shaped surface in relation to the centre axis of the rotating shaft, andwherein the first bearing part of a first hydrodynamic rotary bearing is arranged on the inner ring-shaped surface of the first ring-shaped projection of the rotating shaft. 13. The wind turbine according to claim 12, wherein the rotating shaft comprises a second ring-shaped projection having an outer ring-shaped surface and an inner ring-shaped surface in relation to the centre axis of the rotating shaft, andwherein the first bearing part of a second hydrodynamic rotary bearing is arranged on the inner ring-shaped surface of the second ring-shaped projection of the rotating shaft. 14. The wind turbine according to claim 13, wherein the support structure comprises a cylindrical or a second ring-shaped projection, andwherein the cylindrical or the second ring-shaped projection of the support structure is connected to the second bearing part of the second hydrodynamic rotary bearing.
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