JP2023523751A - 特に風力タービンのロータハブ用の流体膜軸受 - Google Patents
特に風力タービンのロータハブ用の流体膜軸受 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/028—Sliding-contact bearings for exclusively rotary movement for radial load only with fixed wedges to generate hydrodynamic pressure, e.g. multi-lobe bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/03—Sliding-contact bearings for exclusively rotary movement for radial load only with tiltably-supported segments, e.g. Michell bearings
- F16C17/035—Sliding-contact bearings for exclusively rotary movement for radial load only with tiltably-supported segments, e.g. Michell bearings the segments being integrally formed with, or rigidly fixed to, a support-element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C17/105—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one bearing surface providing angular contact, e.g. conical or spherical bearing surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
- F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
- F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/26—Systems consisting of a plurality of sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F16C32/00—Bearings not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F16C32/0681—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
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- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1075—Wedges, e.g. ramps or lobes, for generating pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
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- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/108—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid with a plurality of elements forming the bearing surfaces, e.g. bearing pads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/02—Sliding-contact bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings
- F16C32/0681—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load
- F16C32/0685—Construction or mounting aspects of hydrostatic bearings, for exclusively rotary movement, related to the direction of load for radial load only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Sustainable Development (AREA)
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- Combustion & Propulsion (AREA)
- Sliding-Contact Bearings (AREA)
- Rolling Contact Bearings (AREA)
- Wind Motors (AREA)
Abstract
Description
Claims (10)
- 特に風力タービン(1)のロータハブ(3)用の流体膜軸受であって、互いに回転可能に接続された第1の部分(7)と第2の部分(6)とを備え、前記第1の部分(7)は、前記第1の部分(7)に沿って前記軸受(2)の周方向に延在しかつ互いに角度を付けて配置された少なくとも2つの環状の滑り面(14,16,17,32,33)を備え、前記第2の部分(6)は、前記環状の滑り面(14,16,17,32,33)の各々のためのパッド(8,9,20,21,22,23,28,29,47,48,49)の各々の群を備え、各々の群の各々のパッド(8,9,20,21,22,23,28,29,47,48,49)の各々のパッド滑り面(10,18,19,30,31)が、各々の前記環状の滑り面(14,16,17,32,33)を支持しており、各々の群の前記パッド(8,9,20,21,22,23,28,29,47,48,49)は、前記第2の部分に沿って前記軸受(2)の周方向に分布しており、第1に、前記群のうちの選択された1つの群の少なくとも1つのパッド(8,9,20,21,22,23,28,29,47,48,49)は、周に沿った前記選択された群の前記パッド(8,9,20,21,22,23,28,29,47,48,49)の間隔が不規則になるように配置されており、かつ/または第2に、前記群のうちの前記選択された1つの群または前記群のうちの選択された1つの群は、2つの異なる種類のパッド(8,9,20,21,22,23,28,29,47,48,49)を備え、かつ/または第3に、前記群のうちの前記選択された1つの群または前記群のうちの選択された1つの群のパッド(8,9,20,21,22,23,28,29,47,48,49)は、前記群のうちの更なる1つの群の前記パッド(8,9,20,21,22,23,28,29,47,48,49)に対して前記周方向にずれている、流体膜軸受。
- 前記軸受(2)の前記周の第1の半分にある前記選択された群の前記パッド(8,9,20,21,22,23,28,29,47,48,49)の数が、前記軸受(2)の前記周の第2の半分にある前記選択された群の前記パッド(8,9,20,21,22,23,28,29,47,48,49)の数よりも多く、かつ/または第1の種類のパッド(8,9,20,21,22,23,28,29,47,48,49)は、前記軸受(2)の前記周の前記第1の半分に配置されており、第2の種類のパッド(8,9,20,21,22,23,28,29,47,48,49)は、前記軸受(2)の前記周の前記第2の半分に配置されていることを特徴とする、請求項1記載の流体膜軸受。
- 前記パッド(8,9,20,21,22,23,28,29,47,48,49)のうちの1つの種類のパッドのみが、被覆を使用して、前記パッド滑り面(10,18,19,30,31)を形成しているか、または異なる種類のパッド(8,9,20,21,22,23,28,29,47,48,49)が、前記被覆に異なる材料を使用し、かつ/または前記異なる種類のパッド(8,9,20,21,22,23,28,29,47,48,49)が、異なる材料を使用して、前記被覆を支持するかまたは前記パッド滑り面(10,18,19,30,31)を形成する前記パッド(8,9,20,21,22,23,28,29,47,48,49)の各々の接触セクション(34)を形成しており、かつ/または異なる機構(35)を使用して、接触セクション(34)の傾斜を可能にすることを特徴とする、請求項1または2記載の流体膜軸受。
- 前記選択された群の前記パッド(8,9,20,21,22,23,28,29,47,48,49)の前記パッド滑り面(10,18,19,30,31)によって支持される前記環状の滑り面(14,16,17,32,33)は、前記軸受(2)の半径方向に対して角度を付けて配置されていることを特徴とする、請求項1から3までのいずれか1項記載の流体膜軸受。
- 前記第1の部分(7)は、前記軸受(2)の外側部分であり、前記環状の滑り面(14,16,17,32,33)のうちの少なくとも1つは、前記第1の部分(7)の内周に形成されており、かつ/または前記少なくとも1つの群のうちの前記パッド(8,9,20,21,22,23,28,29,47,48,49)の各々の前記パッド滑り面(10,18,19,30,31)は、凸形状を有することを特徴とする、請求項1から4までのいずれか1項記載の流体膜軸受。
- 前記第1の部分(7)は、前記第2の部分(6)に向かって半径方向に延在する環状の突出部を形成しており、前記環状の滑り面(14,16,17,32,33)は、前記突出部の半径方向の端部と、前記突出部の軸線方向の両端部とに形成されており、第1の群のパッド(8,9,20,21,22,23,28,29,47,48,49)は、前記突出部の一方の側に配置されており、第2の群のパッド(8,9,20,21,22,23,28,29,47,48,49)は、前記軸線方向で前記突出部の反対側に配置されていることを特徴とする、請求項1から5までのいずれか1項記載の流体膜軸受。
- 前記第1の部分(7)は、内側または外側の環状セクション(41)と、前記環状セクション(41)から前記第2の部分(6)に向かって半径方向に延在する2つの環状の突出部(42,43)とを形成しており、前記環状の滑り面(14,16,17,32,33)は、前記環状セクション(41)に形成されており、前記環状の突出部(42,43)の内面が、互いに対向しており、すべてのパッド(8,9,20,21,22,23,28,29,47,48,49)は、前記環状の突出部(42,43)同士の間に配置されていることを特徴とする、請求項1から6までのいずれか1項記載の流体膜軸受。
- 風力タービンであって、請求項1から7までのいずれか1項記載の流体膜軸受(2)を使用して前記風力タービン(1)の更なる構成要素(5)に接続されたロータハブ(3)を備えたロータを備え、前記ハブ(3)は、前記第1の部分(7)の一部もしくは前記第2の部分(6)の一部であるか、または前記第1の部分(7)もしくは前記第2の部分(6)に取り付けられている、風力タービン。
- 前記軸受(2)の前記周の上半分または下半分にある前記選択された群の前記パッド(8,9,20,21,22,23,28,29,47,48,49)の数が、前記軸受(2)の前記周の残りの半分にある前記選択された群の前記パッド(8,9,20,21,22,23,28,29,47,48,49)の数よりも多く、かつ/または第1の種類のパッド(8,9,20,21,22,23,28,29,47,48,49)が、前記軸受の前記周の前記上半分に配置されており、第2の種類のパッド(8,9,20,21,22,23,28,29,47,48,49)が、前記軸受(2)の前記周の前記下半分に配置されていることを特徴とする、請求項8記載の風力タービン。
- 前記ハブ(3)は、単一の軸受(2)によって前記更なる構成要素(5)に接続されていることを特徴とする、請求項8または9記載の風力タービン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20171725.3 | 2020-04-28 | ||
EP20171725.3A EP3904709A1 (en) | 2020-04-28 | 2020-04-28 | Fluid film bearing, especially for a rotor hub in a wind turbine |
PCT/EP2021/060737 WO2021219517A1 (en) | 2020-04-28 | 2021-04-23 | Fluid film bearing, especially for a rotor hub in a wind turbine |
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JP2023523751A true JP2023523751A (ja) | 2023-06-07 |
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JP2022565813A Pending JP2023523751A (ja) | 2020-04-28 | 2021-04-23 | 特に風力タービンのロータハブ用の流体膜軸受 |
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US (1) | US20230184227A1 (ja) |
EP (2) | EP3904709A1 (ja) |
JP (1) | JP2023523751A (ja) |
KR (1) | KR20220160096A (ja) |
CN (1) | CN115427693A (ja) |
TW (1) | TWI778600B (ja) |
WO (1) | WO2021219517A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3922850B1 (en) * | 2020-06-11 | 2023-08-02 | General Electric Renovables España S.L. | Yaw bearings for a wind turbine |
EP4043743B1 (en) | 2021-02-12 | 2023-10-04 | Siemens Gamesa Renewable Energy A/S | Bearing for a wind turbine, wind turbine comprising a bearing and method for producing a bearing ring |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB582967A (en) * | 1943-09-28 | 1946-12-03 | Anthony George Maldon Michell | Improvements in bearings |
US4223958A (en) * | 1978-12-29 | 1980-09-23 | Mechanical Technology Incorporated | Modular compliant hydrodynamic bearing with overlapping bearing sheet |
JPH07122444A (ja) * | 1993-10-20 | 1995-05-12 | Tec Corp | 電磁機器とそれを用いた照明器具 |
JP2000065047A (ja) * | 1998-08-13 | 2000-03-03 | Mitsubishi Heavy Ind Ltd | スラスト軸受装置 |
GB0115336D0 (en) * | 2001-06-22 | 2001-08-15 | Federal Mogul Rpb Ltd | Bearing |
US9297363B2 (en) * | 2009-07-10 | 2016-03-29 | Siemens Aktiengesellschaft | Wind turbine main bearing |
AT509625B1 (de) * | 2010-04-14 | 2012-02-15 | Miba Gleitlager Gmbh | Lagerelement |
EP2568167A1 (en) | 2011-09-08 | 2013-03-13 | Siemens Aktiengesellschaft | Direct-drive wind turbine |
PL2657519T3 (pl) * | 2012-04-26 | 2015-11-30 | Siemens Ag | Turbina wiatrowa |
JP6361460B2 (ja) * | 2014-10-21 | 2018-07-25 | 株式会社Ihi | スラスト軸受 |
EP3252306B1 (en) * | 2016-05-31 | 2018-12-26 | Siemens Aktiengesellschaft | A wind turbine including a sliding bearing |
DK3276192T3 (da) * | 2016-07-29 | 2020-02-24 | Siemens Gamesa Renewable Energy As | Lejeindretning |
DE102017105577A1 (de) * | 2017-03-15 | 2018-09-20 | Thyssenkrupp Ag | Lageranordnung und Windenergieanlage |
US10385830B2 (en) * | 2017-07-14 | 2019-08-20 | General Electric Company | Compound main bearing arrangement for a wind turbine |
EP3460269A1 (en) * | 2017-09-20 | 2019-03-27 | Siemens Gamesa Renewable Energy A/S | Fluid film bearing for a wind turbine |
EP3594495B1 (en) * | 2018-07-10 | 2022-09-07 | Siemens Gamesa Renewable Energy A/S | Wind turbine yaw bearing |
AT521687B1 (de) * | 2018-12-13 | 2020-04-15 | Miba Gleitlager Austria Gmbh | Gondel für eine Windkraftanlage |
-
2020
- 2020-04-28 EP EP20171725.3A patent/EP3904709A1/en not_active Withdrawn
-
2021
- 2021-04-23 EP EP21725405.1A patent/EP4118349A1/en active Pending
- 2021-04-23 KR KR1020227037720A patent/KR20220160096A/ko not_active Application Discontinuation
- 2021-04-23 US US17/920,294 patent/US20230184227A1/en active Pending
- 2021-04-23 JP JP2022565813A patent/JP2023523751A/ja active Pending
- 2021-04-23 WO PCT/EP2021/060737 patent/WO2021219517A1/en unknown
- 2021-04-23 CN CN202180031891.5A patent/CN115427693A/zh active Pending
- 2021-04-28 TW TW110115235A patent/TWI778600B/zh active
Also Published As
Publication number | Publication date |
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CN115427693A (zh) | 2022-12-02 |
US20230184227A1 (en) | 2023-06-15 |
EP4118349A1 (en) | 2023-01-18 |
TWI778600B (zh) | 2022-09-21 |
EP3904709A1 (en) | 2021-11-03 |
TW202210739A (zh) | 2022-03-16 |
WO2021219517A1 (en) | 2021-11-04 |
KR20220160096A (ko) | 2022-12-05 |
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