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WO2019155322A1 - Agencement d'étanchéité pour un palier principal d'une éolienne, agencement de palier et éolienne - Google Patents

Agencement d'étanchéité pour un palier principal d'une éolienne, agencement de palier et éolienne Download PDF

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Publication number
WO2019155322A1
WO2019155322A1 PCT/IB2019/050703 IB2019050703W WO2019155322A1 WO 2019155322 A1 WO2019155322 A1 WO 2019155322A1 IB 2019050703 W IB2019050703 W IB 2019050703W WO 2019155322 A1 WO2019155322 A1 WO 2019155322A1
Authority
WO
WIPO (PCT)
Prior art keywords
fixture plate
main bearing
seal
ring
wind turbine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2019/050703
Other languages
English (en)
Inventor
Gunar FREESE
Sabine SUSEMIHL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzlon Energy Ltd
Original Assignee
Suzlon Energy Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzlon Energy Ltd filed Critical Suzlon Energy Ltd
Publication of WO2019155322A1 publication Critical patent/WO2019155322A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
    • 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
    • F03D80/50—Maintenance or repair
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • 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
    • F05B2240/50—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • 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
    • F05B2240/57—Seals
    • F05B2240/571—Brush seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • 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
    • F05B2240/57—Seals
    • F05B2240/572—Leaf seals
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/36—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers
    • F16C19/364—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/31—Wind motors
    • 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

Definitions

  • the invention relates to the sealing of bearings within a na celle of a wind turbine, and more particularly to a sealing arrangement for a main bearing of a wind turbine, a bearing arrangement and a wind turbine.
  • a rotor axis defines an axis of rotation of a hub to which blades are attached.
  • a rotor Prior to operation of the wind turbine, a rotor is mounted to a main frame of the wind turbine via a bearing arrangement.
  • the bearing arrangement comprises a first (front or windside) main bearing and a second (rear or generator-side) main bearing, each being lubricated (e.g. with grease or oil) .
  • Each main bearing must be sealed to prevent loss of lubricant and/or contamination thereof by foreign materials (e.g. dirt and dust) .
  • the present invention seeks to overcome the aforementioned problems and provide an improved sealing arrangement for a main bearing of a wind turbine, bearing arrangement and wind turbine .
  • a sealing arrangement for a main bearing of a wind turbine the main bearing being generally annular with respect to a rotor shaft and adapted to be mounted to a main frame of the wind turbine, the sealing arrangement comprising: a first seal configured to be disposed on one axial side of the main bear ing and including at least a first 0-ring; and a second seal, configured to be disposed on an axial side of the main bear ing opposite the first seal; wherein the second seal compris es a sealing holder assembly and at least a second 0-ring re tained, in use, within the sealing holder assembly; and wherein the sealing holder assembly comprises multiple annu lar parts.
  • the sealing holder assembly comprises a ring- shaped inner fixture plate, configured to be disposed adja cent the main bearing, a ring-shaped basis fixture plate and, on an axial side of the basis plate opposite the inner fix ture plate, a ring-shaped outer fixture plate.
  • the internal diameter of the basis fixture plate is less than that of the inner fixture plate and/or the outer fixture plate, thereby defining an annular recess for receiv ing and/or retaining the second O-ring.
  • the basis fixture plate includes, on a radially outer side thereof, a radially outwardly projecting first flange, for engaging a radially inwardly flanging second flange on the main frame.
  • the outer fixture plate includes a plurality of bolt holes enabling bolting of the outer plate to a radially inwardly flanging second flange on the main frame.
  • the inner fixture plate, the basis fixture plate and/or the outer fixture plate is formed of a plurality of arcuate plate parts.
  • the number of plate parts lies in the range 4 to 8, more prefera bly 5 to 7, and is more preferably 6.
  • a radially- extending abutment surface of two adjacent plate parts is an gularly offset from a radially-extending abutment surface of an adjacent fixture plate by a predetermined offset angle.
  • the offset angle is 360/2n degrees, where n is the number of plate parts.
  • annular brush arrangement is provided on an axial side of the outer fixture plate opposite the basis fix ture plate.
  • the second seal or the annular brush arrangement is disposed on the main bearing so as to be, in use, windside on the wind turbine.
  • the second seal has a rectangular cross-section, for example with horizontal and vertical dimensions in the ratio c . 32:25.
  • a bearing arrangement for a wind turbine the wind turbine having a rotor shaft terminating in a hub, and a main frame
  • the bearing arrangement comprising: a first main bearing, for example mounted to the front of the main frame and nearest to the hub; and a second main bearing, for example mounted to the main frame and farthest from the hub; wherein the second main bearing includes a sealing arrangement according to any of claims 1 to 12 of the appended claims, or as described and/or illustrated herein.
  • the first main bearing includes (i) a third seal configured to be disposed on one axial side of the first main bearing and including at least a third O-ring and/or (ii) a fourth seal configured to be disposed on an axial side of the first main bearing opposite the third seal and including at least a fourth O-ring.
  • a wind turbine comprising:
  • the at least one main bearing adapted to be mounted to the main frame, the at least one main bearing be ing generally annular with respect to a rotor shaft of the wind turbine, wherein the at least one main bearing includes a sealing arrangement according to any one of claims 1 to 12 of the appended claims, or as described and/or illustrated herein; and/or wherein the wind turbine comprises a bearing arrangement according to one of claims 13 or 14 of the ap pended claims, or as described and/or illustrated herein.
  • An advantage of the invention is to facilitate maintenance of a main bearing of a wind turbine.
  • a further advantage is to facilitate replacement of a seal in a main bearing of a wind turbine.
  • a further advantage of the invention is that, in embodiments, prevention of loss of lubricant and/or contamination thereof by foreign materials (e.g. dirt and dust) is enhanced.
  • Materials for the sealing arrangements can be plastics, where appropriate, e.g. PA66 (Automotive); or alterna tively aluminium sheet may be used, thereby reducing weight in each case.
  • PA66 Automotive
  • alterna tively aluminium sheet may be used, thereby reducing weight in each case.
  • the sheet overlayer system provides a "labyrinth gasket" - affording an easy handling procedure for mounting and service in the small working space between main frame and mainshaft.
  • Figure 1 shows a known wind turbine
  • Figure 2 shows a perspective, partially cut-away view of the interior of a nacelle and hub of a wind turbine, including a bearing arrangement according to an em bodiment of the invention
  • FIG. 3 shows in more detail the bearing arrangement of
  • Figure 4 is a cross-sectional view of the front main bearing
  • Figure 5 is a cross-sectional view of the rear main bearing
  • Figure 6 is a cross-sectional view of the second rear seal
  • Figure 7 is a partial axial view of the second rear seal 34 of Fig. 6;
  • Figure 8 is a cross-sectional view of a preferred form of the brush arrangement 50 of Fig. 7;
  • Figure 9 is an axial view of the outer fixture plate 45 of
  • Figure 10 is a perspective cross-sectional view of the seal ing holder assembly 40 of Fig. 6;
  • Figure 11 is a partially cut-away perspective view of the second rear seal 34 of Fig. 6;
  • Figure 12 shows a main bearing seal 60 according to another embodiment of the invention.
  • Figure 13 is a close-up perspective view of the seal 60 of
  • FIG. 12 shows a main bearing seal 60' according to another embodiment of the invention.
  • Figure 15 is an alternative close-up perspective cross- sectional view of the seal 60' of Fig. 14.
  • Figure 1 shows a known wind turbine 1 with multi ple blades.
  • the wind turbine 1 includes a tower 3 and a na celle 2 rotatably mounted on the tower 3.
  • the nacelle 2 com prises a nacelle cover 4 mounted on a main frame (not shown) , which will be discussed in further detail below.
  • a rotor shaft (not shown) inside the nacelle 2 a rotor 7 is arranged, which in turn comprises a hub 5 and at least one rotor blade 6 (here, three) .
  • hub 5 is rotatable about the z-axis, and during installation, maintenance and/or calibration, blade 6 is rotatable about the x-axis.
  • the blade 6 is made of glass fibre.
  • the blade 6 may be made of other materials, such as carbon or carbon compo sites.
  • FIG. 2 shows a perspective, partially cut-away view of the wind turbine 1 of Fig. 1, according to an embodiment of the invention.
  • a pitch sensing system 10 coupled to a digital control system 11.
  • a yaw sensing system 12 housed within the nacelle cover 4 may be a yaw sensing system 12, also coupled to a digital control system 11.
  • rotary motion is transferred, in use, indirectly from the hub 5 to a generator 13, for generating electrical power. That is, firstly, a main rotor shaft 14 mechanically couples the hub 5 to a gearbox 15. Further, a secondary rotor shaft 16 mechanically couples (an output gear of) the gearbox 15 to generator 13 via a fluid coupling 17.
  • a mechanical braking system 18 is mounted can, in use, act upon secondary shaft 16 for reducing rotationally speed input to the generator 13.
  • a (main) bearing assembly 19 consisting of a front main bearing 20 and rear main bearing 21; and main bearings 20 and 21 support main rotor shaft 14, in use, for rotation.
  • Figure 3 shows in more detail the bearing assembly 19 of Fig. 2.
  • the drive train arrangement is a so-called 4- point suspension arrangement with two main bearings (front main bearing 20 and rear main bearing 21) integrated in the main frame structure and supporting main rotor shaft 14 for rotation.
  • the front main bearing 20 may comprise a tapered roller bearing and rear main bearing 21 may comprise an 0- ring seal arrangement.
  • Figure 4 is a cross-sectional view of the front main bearing 20 of Fig. 3.
  • the front main bearing 20 com prises a first sealing arrangement 23, including a first front seal 24 and a first rear seal 25.
  • the first front seal 24 comprises a first front bracket 26, attachable to the main frame 22 by bolts 27, and retaining a first front O-ring 28.
  • the first rear seal 25 comprises a first rear brack et 29, attachable to main frame 22 by at least one bolt 30, and retaining a first rear O-ring 31.
  • the front main bearing 20 includes a first upper pair of oil conveying grooves 32 and a lower pair of oil conveying grooves 33.
  • FIG. 5 is a cross-sectional view of the rear main bearing 21 of Fig. 3.
  • the rear main bearing 21 includes a second sealing arrangement 34 preferably comprising a second front seal 35 and a second rear seal 36.
  • the second front seal 35 comprises a second front bracket 37, attachable via bolts 38 to a second front flange 39 of main frame 22, and retaining a second O-ring 80.
  • second rear seal 36 comprises sealing holder assembly 40, attachable via bolts 41 to main frame 22, and retaining a second rear O-ring 41.
  • the sealing holder as sembly 40 is an annular piece, preferably made of multiple annular sections, as will be described in further detail be low.
  • the second rear seal 36 further includes a V-seal 42.
  • Figure 6 is a cross-sectional view of the second rear seal 36 of Fig. 5. More particularly, the sealing holder assembly 40 comprises an inner fixture plate 43, a basis (middle) fixture plate 44 and an outer fixture plate 45. As can be seen in Fig. 6, the internal diameter of the basis fixture plate 44 is less than that of the inner fixture plate 43 and the outer fixture plate 45, thereby defining an annular recess 46 for receiving and/or retaining the second rear O-ring 41.
  • the basis fixture plate 44 includes, on a radially out er side thereof, a radially-outwardly projecting first flange 47, for engaging a radially-inwardly projecting second flange or shoulder 48 on the main frame 22.
  • the outer fixture plate 45 includes a plurality of bolt holes 49 enabling bolting of the outer fixture plate 45 to the radial- ly-inwardly projecting second flange or shoulder 48 on the main frame 22.
  • an annular brush arrangement 50 is attached on an axial side of the outer fixture plate 45 opposite the basis fixture plate 44.
  • the brush arrangement 50 may comprise a brush ring 51, attachable to the outer fixture plate 45, e.g. by bolting, and annular brushes 52.
  • Figure 7 is a partial axial view of the second rear seal 34 of Fig. 6.
  • Figure 7 shows the brush arrangement 50 bolted via bolt holes 53 in brush ring 51 to the outer fixture plate 45, and including brushes 52.
  • Figure 8 is a cross-sectional view of a preferred form of the brush arrangement 50 of Fig. 7.
  • Figure 9 is an axial view of the outer fixture plate 45 of Figs 6 and 7.
  • the outer fixture plate 45 is formed of a plurality of arcuate plate parts 54-1 to 54-6. That is, in this embodiment, six plate parts 54-1 to 54-6 are used. However, it will be appreciated that another number of plate parts may be used, i.e. the number of plate parts may lie in the range 4 to 8, or more preferably 5 to 7 (while the use of a plurality of plate parts 54-1 to 54-6 is illustrated in relation to the outer fixture plate 45, it will be appre ciated that a similar or analogous structure may be used for the inner fixture plate 43 and/or the basis fixture plate 44) . As a result of the structure of Fig.
  • radially extend ing abutment surfaces 55-1 to 55-6 exist between adjacent plate parts.
  • the radially extending abutment surface 55-1 of two adjacent plate parts 55-1, 55-2 is angularly offset from a radially extending abutment surface of an adjacent fixture plate (43 to 45) by a predetermined offset angle.
  • the offset angle is 360/2n degrees, where n is the number of plate parts 55-1 to 55-6.
  • Figure 10 is a perspective cross-sectional view of the seal ing holder assembly 40 of Fig. 6.
  • the annular recess 46 within sealing holder assembly 40 provides a recess for the receipt of the second rear O-ring 41.
  • the second rear O-ring 41 has a resilient projecting flange 56 which aids in sealing of the main bearing as the flange 56 is urged into sealing contact with a portion (not shown) of the main bearing 21.
  • FIG 11 is a partially cut-away perspective view of the second rear seal 34 of Fig. 6.
  • the second rear O-ring 41 is of generally rectangular cross-section and in this embodiment, the horizontal and vertical dimensions of the second rear O-ring 41 are 32 mm and 25 mm, respectively; alternatively, the horizontal and vertical dimensions of the second rear O-ring 41 may be in the ratio of c. 32:25.
  • Figure 12 shows a main bearing seal 60 according to another embodiment of the invention.
  • the seal 60 comprises an upper annular bracket 61 with a generally hook shaped lower portion 62 and a lower annular bracket 63 with a generally hook shaped outer portion 64.
  • a sealing ring 65 e.g. of L-shaped profile, is mounted to the upper and lower annular brackets 61, 63. That is, a first portion 66 engages a radially ex tending surface of the upper annular bracket 61, and a second portion 67 of the sealing ring 65 engages a circumferentially extending surface 68 of the lower annular bracket 63.
  • Figure 13 is a close-up perspective view of the seal 60 of Fig. 12.
  • a metal tightening ring 69 disposed on the second portion 67 of sealing ring 65 can be used, in use, to tighten the sealing ring 65 onto the surface 68 of lower annular bracket 63.
  • Figure 14 shows a main bearing seal 60' according to another embodiment of the invention.
  • the upper annular bracket 61' and lower annular bracket 63' have dif ferent forms to those of Figs 12 and 13, so as to define a generally square recess 70 for receiving a sealing ring 65' .
  • the sealing ring 65' may include an internal (substantially V-shaped) slot 71 for receiving a metal inner tightening ring 72.
  • the seal 60' may further include a metal outer tightening ring 73 that is attachable to a surface of the upper annular bracket 61' .
  • Figure 15 is an alternative close-up perspective cross- sectional view of the seal 60' of Fig. 14.
  • the disposition of the sealing ring 65' , outer tightening ring 73 and inner tightening ring 72 are shown in more detail.
  • an abutting portion 74 of the sealing ring 65' includes V-grooves 75, to assist with sealing function.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sealing Devices (AREA)
  • Wind Motors (AREA)

Abstract

L'invention concerne un agencement d'étanchéité (34) pour un palier principal (21) d'une éolienne (1). L'agencement d'étanchéité comprend un premier joint d'étanchéité (35) configuré pour être disposé sur un côté axial du palier principal (21) et comprenant un premier joint torique (80), et un second joint d'étanchéité (36), conçu pour être disposé sur un côté axial du palier principal opposé au premier joint d'étanchéité. Le second joint d'étanchéité comprend un second joint torique (41) retenu à l'intérieur d'un ensemble de support d'étanchéité (40) qui comprend de multiples parties annulaires, comprenant une plaque de fixation interne en forme d'anneau (43), configurée pour être disposée adjacente au palier principal, une plaque de fixation de base annulaire (44) et, sur un côté axial de la plaque de fixation de base opposée à la plaque de fixation interne, une plaque de fixation externe en forme d'anneau (45). De préférence, au moins l'une des plaques de fixation (43, 44, 45) est formée de 4 à 8 parties de plaque arquée.
PCT/IB2019/050703 2018-02-08 2019-01-29 Agencement d'étanchéité pour un palier principal d'une éolienne, agencement de palier et éolienne Ceased WO2019155322A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN5226MU2018 2018-02-08
INTEMP/E-1/5226/2018-MUM 2018-02-08

Publications (1)

Publication Number Publication Date
WO2019155322A1 true WO2019155322A1 (fr) 2019-08-15

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PCT/IB2019/050703 Ceased WO2019155322A1 (fr) 2018-02-08 2019-01-29 Agencement d'étanchéité pour un palier principal d'une éolienne, agencement de palier et éolienne

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Country Link
WO (1) WO2019155322A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230228249A1 (en) * 2020-01-31 2023-07-20 Renew Energy Maintenance, Llc Field machining of wind turbine gearboxes
US12037986B2 (en) 2021-06-28 2024-07-16 Nordex Energy Se & Co. Kg Seal arrangement for a bearing, wind energy system, and method for arranging a seal arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103104617A (zh) * 2013-03-04 2013-05-15 苏州航天特谱风能技术有限公司 一种用于风力发电机组的主轴承密封系统
US20130322803A1 (en) * 2010-11-25 2013-12-05 Aktiebolaget Skf Rolling element bearing having replaceable seal
EP2754892A1 (fr) * 2012-06-29 2014-07-16 Mitsubishi Heavy Industries, Ltd. Procédé d'assemblage d'une ligne d'arbres d'un dispositif générateur de puissance à énergie récupérée, et outil d'assemblage d'une ligne d'arbres
CN206054199U (zh) * 2016-09-09 2017-03-29 中车株洲电力机车研究所有限公司 一种风电机组主轴承端盖

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130322803A1 (en) * 2010-11-25 2013-12-05 Aktiebolaget Skf Rolling element bearing having replaceable seal
EP2754892A1 (fr) * 2012-06-29 2014-07-16 Mitsubishi Heavy Industries, Ltd. Procédé d'assemblage d'une ligne d'arbres d'un dispositif générateur de puissance à énergie récupérée, et outil d'assemblage d'une ligne d'arbres
CN103104617A (zh) * 2013-03-04 2013-05-15 苏州航天特谱风能技术有限公司 一种用于风力发电机组的主轴承密封系统
CN206054199U (zh) * 2016-09-09 2017-03-29 中车株洲电力机车研究所有限公司 一种风电机组主轴承端盖

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230228249A1 (en) * 2020-01-31 2023-07-20 Renew Energy Maintenance, Llc Field machining of wind turbine gearboxes
US12071927B2 (en) * 2020-01-31 2024-08-27 Renew Energy Maintenance, Llc Field machining of wind turbine gearboxes
US12037986B2 (en) 2021-06-28 2024-07-16 Nordex Energy Se & Co. Kg Seal arrangement for a bearing, wind energy system, and method for arranging a seal arrangement

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