WO2013007669A1 - Palier à unité de production d'énergie - Google Patents

Palier à unité de production d'énergie Download PDF

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Publication number
WO2013007669A1
WO2013007669A1 PCT/EP2012/063352 EP2012063352W WO2013007669A1 WO 2013007669 A1 WO2013007669 A1 WO 2013007669A1 EP 2012063352 W EP2012063352 W EP 2012063352W WO 2013007669 A1 WO2013007669 A1 WO 2013007669A1
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WO
WIPO (PCT)
Prior art keywords
claw
ring
bearing
rotation
flux guide
Prior art date
Application number
PCT/EP2012/063352
Other languages
German (de)
English (en)
Inventor
Thomas Rink
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2013007669A1 publication Critical patent/WO2013007669A1/fr

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Classifications

    • 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
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/004—Electro-dynamic machines, e.g. motors, generators, actuators
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6685—Details of collecting or draining, e.g. returning the liquid to a sump

Definitions

  • the invention relates to a bearing, in particular a rolling bearing, according to the O- term of claim 1 with a designed as Klauenpolgenerator power generation unit. From practice it is known to generate electrical energy from the rotational movement of the rolling bearing during operation. For this purpose, in particular rolling bearings are known, in which an energy generating unit is structurally integrated. Specifically, rolling bearings are known in which the power generation unit is designed as Klauenpolgenerator.
  • the claw-pole generator comprises a first claw ring with a sequence of first claws extending in the circumferential direction of the roller bearing, a second claw ring with a sequence of second claws extending in the circumferential direction of the roller bearing, an induction coil surrounded by the two claw rings, which rotates about the axis of rotation of the roller bearing the two claw rings are arranged offset from each other in the circumferential direction.
  • the claw pole generator further includes a circumferential sequence of magnetic poles.
  • a magnetic circle is connected via a circumferentially adjacent second claw, namely a claw of the second claw ring to a circumferentially adjacent second, unlike, magnetic pole
  • a south pole formed, which surrounds the induction coil. If the bearing ring continues to rotate with the two claw rings, the second claw faces the north pole and the first claw a south pole, so that the direction of the magnetic coil surrounding the induction coil is reversed and a magnetic voltage is generated in the induction coil.
  • the two claw rings and the induction coil are attached to one of the two bearing rings of the bearing and the magnetic poles on the other of the two bearing rings.
  • the claws of the claw rings on one side which are parked substantially parallel to the axis of rotation of the bearing, and the magnetic poles on the other side delimit a gap which circumscribes the axis of rotation of the bearing and is substantially cylindrical in the process.
  • the gap has only a small gap width of less than about 1 millimeter, the small gap width contributing to the magnetic circuit being able to close across the gap.
  • Lubricant entering the narrow gap may further form a cohesive layer to cause stiction between the magnetic poles and the claws, which inhibits rotation of the rolling bearing at low speeds. Particles in the lubricant that have once entered the gap can not permanently be removed from the gap and damage the claw pole generator as a whole.
  • the gap with the small Slit width proves to be particularly problematic when the rolling bearing is lubricated, so if under pressure lubricant is introduced into the sealed space between the bearing rings, so that it may come to churning losses during operation of the bearing due to the insufficient removal of the lubricant.
  • WO 201 1/000362 A1 describes a bearing designed as a roller bearing with two bearing rings, a plurality of rolling elements, which are guided by a bearing cage, and a power generating unit designed as a claw pole generator, wherein the claw pole generator has a first claw ring with a sequence of first claws and one in Circumferential direction of the bearing ring offset second claw ring having a sequence of second claws, wherein the two claw rings surround a circumferential in the circumferential direction of the first bearing ring induction coil, wherein the claws of the two claw rings with a circumferential circumferential sequence of magnetic poles surrounding the induction coil forming magnetic circuits.
  • the claws of the two claw rings on the first bearing ring are parked substantially parallel to the axis of rotation of the rolling bearing.
  • the magnetic poles on the second bearing ring are substantially radially aligned, so that the claws and the magnetic poles on both sides define a substantially cylindrical gap surrounding the axis of rotation.
  • a flux guide is arranged, wherein the flux guide element has at least one passage which extends substantially parallel to the axis of rotation.
  • the flux guide can be designed as a rotating axis, provided with at least one passage ring or as a single, a claw or a magnetic pole associated element, in the latter case, several elements can be combined to form a common, the axis of rotation rotating component.
  • the flux guide is magnetically conductive, and in particular consists entirely of a magnetically conductive material, so that the flux guide does not interrupt the magnetic circuit.
  • the flux guide element has a first surface portion and a radially spaced second surface portion, and that the two surface portions are connected to at least one radially extending web element magnetically conductive.
  • the two substantially in the circumferential direction extending surface portions make a surface contact with the other components of the Magnetic circuit ago, for example, to the magnetic poles or to the claws of the claw rings.
  • the magnetic flux is then passed through the web element between the two surface sections, so that the magnetic circuit can close over the intermediate flux guide.
  • the two surface sections define an opening which forms the opening through which the medium can pass.
  • the two surface portions and the at least one web element is preferably provided that the two surface portions are connected by two web elements, and that the two web elements are arranged substantially parallel to the axis of rotation.
  • the two surface portions and the two web elements define a substantially quadrangular opening through which the medium can emerge substantially parallel to the axis of rotation.
  • the web element is preferably provided that the web element is inclined at an angle to the axis of rotation.
  • the web element is flowed at an angle, so that the web element forms a guide surface which deflects the medium, whereby a conveying effect on the medium can be achieved, in particular if all web elements are in the same direction, in particular at the same angle, are inclined to the axis of rotation. Said conveying effect already occurs when it is preferably provided that the web element is formed substantially flat.
  • the conveying effect can be adjusted or selectively strengthened, if it is preferably provided that the web element is curved, wherein the web element has a curved, flowed by the medium guide surface whose curvature is optimized for the highest possible conveying effect.
  • the flux-guiding element is arranged in the gap formed between the magnetic poles and the claws.
  • each individual claw or each individual magnetic pole can be assigned a flux-conducting element, with the respective flux-conducting element being fastened to the respective claw or to the respective magnetic pole.
  • the flux guide element fastened, for example, to the claw then forms with the opposite magnetic pole the narrow gap through which the magnetic circuit is closed. Accordingly, the flux-conducting element fastened to a magnetic pole with the claw opposite the magnetic pole forms the gap through which the magnetic circuit is closed.
  • a flux guide ring connects a plurality of flux guide elements arranged in the circumferential direction to form a structural unit.
  • the flux guide ring sums the individual flux guide elements arranged at a spacing from one another in the circumferential direction, wherein a gap is formed between adjacent flux guide elements in the flux guide ring through which also a medium, for example a lubricant, can emerge substantially parallel to the axis of rotation.
  • Circumferentially adjacent flux-guiding elements are combined by at least one retaining ring to form the flux-guiding ring, wherein the at least one retaining ring preferably consists of a magnetically non-conductive or slightly conductive material such as brass or a plastic in order to suppress magnetic leakage fluxes between adjacent flux-conducting elements.
  • the flux guide ring completely revolves around the axis of rotation and can be mounted easily as a structural unit in the correct position.
  • the flux guide is designed as a magnetic yoke ring.
  • the magnetic return ring is arranged between the bearing surface facing the other bearing ring of one of the two bearing rings and the magnetic poles and allows the closing of the magnetic circuit between adjacent, unlike magnetic poles.
  • the flux guide element is designed as a connecting ring which connects claw rings in a magnetically conductive manner.
  • the connecting ring completely revolves around the axis of rotation and establishes a magnetically conductive connection between the two claw rings, which are spaced apart axially, ie parallel to the axis of rotation.
  • FIG. 1 shows a partially sectioned view of a first embodiment of a bearing according to the invention
  • FIG. 2 shows a perspective view of a part of the bearing shown in FIG. 1
  • FIG. 3 is a partial sectional view of the part shown in FIG. 2;
  • FIG. 4 shows the detail, ⁇ 'from FIG. 3 in an enlarged view
  • Fig. 7 shows a partially sectioned view of part of the in Fig.
  • FIG. 9 shows the section, ⁇ 'from FIG. 7 along the section line B-B, FIG.
  • FIG. 1 1 shows a plan view of a part of the bearing shown in FIG. 10, FIG.
  • FIG. 12 shows a plan view of a section through the part shown in FIG. 11, FIG.
  • Fig. 13 shows a partially sectioned view of a fourth embodiment of a bearing according to the invention.
  • FIG. 14 shows a partially sectioned view of a fifth embodiment of a bearing according to the invention.
  • FIG. 1 shows a bearing designed as a single-row ball bearing which comprises a first bearing ring 1 and a second bearing ring 2, the first bearing ring 1, which is designed as an outer ring of the rolling bearing, being stationary, and the second bearing ring 2 being the one Inner ring of the rolling bearing is formed about a parallel to the auxiliary line 3 axis of rotation is rotatable.
  • the rolling bearing is designed as a pivot bearing, which allows only a rotational movement, but a tilting of the two bearing rings suppressed each other, formed.
  • the rolling bearing comprises a power generating unit 4 designed as a claw pole generator, the claw pole generator 4 having a first claw ring 5 with a sequence of first claws circulating around the axis of rotation, one of the first claws being identified by the reference symbol '6'.
  • the first jaw 6 is formed as a portion turned off with respect to the plane defined by the first claw ring 5, and is aligned parallel to the rotation axis (or the auxiliary line 3).
  • the claw pole generator 4 further comprises a second claw ring 7, offset relative to the first claw ring 5 in the direction of rotation of the rotation axis, with a sequence of second claws surrounding the rotation axis, which are arranged above or below the paper plane in the illustration of FIG.
  • the two claw rings 5, 7 are arranged in a magnetically conductive connection to one on the other, first bearing ring 1 facing lateral surface 8 of the second bearing ring 2, and surrounded on two sides of an induction coil 9, whose electrically conductive turns rotate around the axis of rotation several times and in an electric non-conductive casting compound are included.
  • the induction coil 9 is arranged in a receptacle 10 which is bounded on two sides by the claw rings 5, 7 or is flush with the claw rings 5, 7 and terminates to a third side of the claws 6 of the two claw rings 5, 7 is completed or flush with the claws 6 of the two claw rings 5, 7 terminates.
  • the receptacle 10 rests against the lateral surface 8 of the second bearing ring 2.
  • the claws 6 of the two claw rings 5, 7 cooperate with a rotation of the axis rotating sequence of magnetic poles, in the circumferential direction adjacent poles are formed unlike names, wherein in the illustration of Fig. 1, one of the poles with the reference numeral, 1 1 'and, for example, formed as a north pole.
  • the poles adjacent to this magnetic pole 1 1 are arranged above or below the plane of the paper and each formed as a south pole.
  • the magnetic pole 1 1 is shown opposite the first claw 6 of the first claw ring 5 arranged opposite, the two adjacent poles the adjacent claws of the second claw ring. 7
  • the magnetic poles in particular the magnetic pole 1 1, is part of a permanent magnet 12 which rests in a magnetically conductive connection to a on the other, second bearing ring 2 facing lateral surface 13 of the first bearing ring 1.
  • the designated by the reference numeral 12 'permanent magnet has the one magnetic pole 1 1, namely the north pole, the claw 6 and the other magnetic pole, in this case a south pole, the lateral surface 13 of the first bearing ring first
  • the permanent magnet 12 is arranged as a substantially cuboidal part on the lateral surface 13 of the first bearing ring 1, wherein the side surfaces of the cuboid, on which the magnetic poles are provided, have a slight curvature to a positive connection to the lateral surface 13 and to a flux guide 14 train.
  • the flux guide 14 is radial, with respect to the axis of rotation, between the magnetic pole 1 1 and the first jaw 6 of the first jaw ring fifth arranged, magnetically conductively attached to the first jaw 6 and forms with the magnetic pole 1 1 a gap 15.
  • the flux guide 14 is made of a magnetically conductive material and has a passage 16 which extends parallel to the axis of rotation (or parallel to the auxiliary line 3). Through the passage 16, a medium, for example, a pressurized lubricant, from the sealed area between the two bearing rings 1, 2 get out of the camp out.
  • the flux guide element 14 has a first surface section 17, which extends in the circumferential direction along the claw 6, the first surface section 17 of the flux guide 14 abutting the claw 6 tightly, in particular magnetically conductive, and a radial, relative to the axis of rotation (or the auxiliary line 3) spaced second surface portion 18 which extends parallel to the claw 6 in the circumferential direction and which maintains a distance to the opposite magnetic pole 1 1, so that the gap 15 is formed, which has a radial extent of about 0, 5 millimeters.
  • the gap 15 concentrically surrounds the axis of rotation, wherein a radius of the gap 15, about the axis of rotation as a center, along the axis of rotation (or along the extension of the auxiliary line 3) is constant, so that the gap 15 is formed substantially cylindrical.
  • the two surface sections 17, 18 are magnetically connected to one another with two web elements, wherein the two web elements are arranged above or below the paper plane and only one surface of one of the two web elements is designated by the reference symbol '19'. It forms a magnetic circuit, starting from the magnetic pole 1 1, which is formed as a north pole, via the gap 15 to the flux guide 14 of a magnetically conductive material, wherein the magnetic flux enters the second surface portion 18 is passed over the two web elements to the first surface portion 17 and there in the claw 6 of the first jaw ring 5 passes.
  • the magnetic flux in the magnetic circuit is closed via the first claw ring 5, the magnetically conductive portion of the body of the second bearing ring 2 and the claws of the second claw ring 7, again bridging the gap 15, to a south pole on the first bearing ring 1.
  • the magnetic circuit surrounds the induction coil 9 with the electrical conductor, wherein the magnetic circuit changes its direction of rotation as soon as the second bearing ring 2 rotates with respect to the first bearing ring 1 about the axis of rotation.
  • the claw pole generator 4 is arranged completely inside the bearing, in particular the magnetic poles 11 and the claws 6 of the two claw rings 5, 7 which are spaced apart by the gap 15 and the induction coil 9 are accommodated between the mutually facing lateral surfaces 8, 13.
  • a flux-conducting element which, like the illustrated flux-conducting element 16, is formed at the first claw 6, is associated with each claw of the first claw ring 5 and the second claw ring 7, ie, with the respective claw and magnetically connected.
  • All flux guide elements, including the illustrated flux guide element 14, are combined to form a structural unit, namely a flux guide ring 21 shown in a perspective view in FIG. 2.
  • the flux guide ring 20 concentrically surrounds the rotation axis 21, which is not recognizable in the representation of FIG.
  • the flux guide ring has two axially spaced retaining rings 22, 23 which connect circumferentially adjacent flux guide elements 16 in the region of the respective first surface sections 17, wherein the retaining rings 22 , 23 consist of a magnetically non-conductive material such as a plastic.
  • 4 shows an enlarged view of the flux guide element 14 shown in section in FIG. 3 on the flux guide ring 20. It can be seen that the retaining rings 22, 23 at the ends of the first surface portion 17, which rests on the claw 6 (FIG 1), hold.
  • FIG. 5 shows a plan view, along the axis of rotation, of a cross section through the flux guide element 14 shown in a longitudinal section in FIG. 4. It can be seen that the flux guide element 14 forms the essentially rectangular passage 16 that extends to two sides from the two surfaces - Section 17, 18 and to the other two sides by two radially extending web elements 24, 25 is limited.
  • the web elements 24, 25 are integrally formed with the surface portions 17, 18 and arranged substantially parallel to the axis of rotation, that is perpendicular to the plane of the paper of the representation of FIG. 5.
  • 5 shows that the two surface sections 17, 18 of the flux guide element 14 are connected by the two web elements 24, 25, and that the two web elements 24, 25 are arranged substantially parallel to the axis of rotation.
  • FIG. 6 shows as a second exemplary embodiment a rolling bearing with two bearing rings 1, 2 and an energy generating unit designed as a claw pole generator 4.
  • a flux guide 14 ' is arranged, which is fixed to the claw 6 and which has two radially spaced surface portions 17, 18, the two sides of a passage sixteenth delimiting, which extends substantially parallel to the axis of rotation (or to the auxiliary line 3).
  • only one web element 24 ' is provided, which connects the two radially spaced surface portions 17, 18 magnetically conductive.
  • the single web element 24 ' is not aligned parallel to the axis of rotation (or to the auxiliary line 3), but inclined at an angle to the axis of rotation, such that at an imaginary displacement of the axis of rotation, this penetrates the web element 24' in one point.
  • the single web element 24 connects the two diagonally opposite corners of each of the substantially rectangular surface portions 17, 18 with each other and is formed flat, thus forming a plane.
  • a medium which impinges on a surface of the web element 24 'parallel to the axis of rotation is deflected and undergoes a movement component in the circumferential direction, so that the web element 24' unfolds a conveying effect on the medium.
  • Fig. 8 shows as an enlarged section to the representation of Fig. 7, that the web element 24 'is formed integrally with the two surface portions 17, 18, and further, that all flux conducting 14' by means of two axially spaced retaining rings 22, 23 to a flux guide 20 are summarized, which is shown in the partially sectioned view in Fig. 7.
  • FIG. 9 shows, in a plan view, in a viewing direction parallel to the axis of rotation, a sectional view of the flux-conducting element 14 'that web element 24' arranged at an angle to the axis of rotation extends circumferentially along the entire extent of the two surface sections 17 , 18 extends.
  • the web element 24 'arranged at an angle to the axis of rotation is essentially flat.
  • the web element is curved, wherein the curvature extends so that the conveying effect is improved to the web element flowing on the medium.
  • the flux guide element 14, 14 'and the flux guide ring 20, respectively were all the flux guide elements 14 arranged in the circumferential direction; 14 'to a unit connects, in which between the magnetic poles 1 1 and the claws 6 formed gap 15 is arranged, wherein it was provided in particular that the flux guide 14, 14' and the flux guide 20 on the claws 6 of the two claw rings. 5 , 7 was fixed and maintains a distance to the magnetic poles 1 1, which forms the gap 15.
  • the flux guide or the flux guide is attached to the magnetic poles 1 1 and magnetically conductive directly on the magnetic poles 1 1 rests, so that the gap 15 is formed between the flux guide or the flux guide ring and the claw.
  • FIG. 10 shows, as a third exemplary embodiment, a bearing with the bearing rings 1, 2 and an energy generating unit designed as a claw pole generator 4.
  • a flux guide 14 is disposed between the first bearing ring 1 and the magnetic poles 1 1 and formed as a magnetic yoke ring 26.
  • the magnetic yoke ring 26 consists of a magnetically conductive material and is magnetically conductive on a facing on the second bearing ring 2 lateral surface 13 of the first bearing ring 1 at.
  • the magnetic yoke ring 26 is further magnetically conductive to the permanent magnet 12, where the magnetic poles 1 1 are formed as pole pieces.
  • the gap 15 is formed between the magnetic poles 1 1 and the claws 6 of the two claw rings 5, 7.
  • the flux guide element 14 designed as a magnetic return ring 26.
  • the flux guide element 14 has a first surface section 17 surrounding the rotation axis 22 as ring and a second surface section 18 also surrounding, as a further ring, the rotation axis 22, radially spaced apart ,
  • the two annular surface portions 17, 18 are connected by radially extending web members, with each two circumferentially adjacent web members 24, 25 ( Figure 12) forming a passage 16 which extends parallel to the axis of rotation 22.
  • the web elements 24, 25 are in one piece with the annular surface portions 17, 18, so that the flux guide elements designed as magnetic return ring 26 can be formed from an annular part by punching out material, wherein the punched out material forms the passage 16.
  • Fig. 13 shows as a fourth embodiment, a modification of the third embodiment shown in Fig. 10 to Fig. 12, in which the flux guide 14 'as a magnetic yoke ring 26' formed and see between the lateral surface 13 of the first bearing ring and the permanent magnet 12, the the magnetic poles 1 1 form, is arranged.
  • the web elements 24 ' are inclined at an angle to the axis of rotation and connect the surface portions 17, 18 magnetically conductive. Due to the inclination of the web elements 24 'to the axis of rotation causes the magnetic yoke ring 26' has a conveying effect on a fluid, in particular a lubricant, which flows against the inclined web elements 24 'parallel to the axis of rotation.
  • the magnetic return rings 26, 26 'of the third and fourth exemplary embodiments described above connect circumferentially adjacent permanent magnets 12 or their magnetic poles 1 1 pole pointing away from magnetically conductive, so that the magnetic circles can be closed. In the circumferential direction adjacent permanent magnets 12 are oriented in opposite directions, so that the respective pointing to the claw pole is unlike names.
  • Fig. 14 shows as a fifth embodiment, a rolling bearing with two bearing rings 1, 2 and a claw pole 4 formed as power generation unit.
  • the claw pole generator 4 comprises a flux guide element 14, which is formed as a connecting ring 27 made of magnetic conductive material, wherein the connecting ring 27, the axially spaced claw rings 5, 7 at the pointing away from the claws 6, annular end portions connected to each other magnetically conductive, so that a magnetic Circle is closed.
  • the connecting ring 27 bears flat against a lateral surface 8 of the second bearing ring 2 facing the first bearing ring 1 and is in magnetically conductive connection with the annular end portions of the two claw rings 5, 6.
  • the connecting ring 27 is as above, with reference to FIG and 12 explained for the magnetic return ring 26, in particular such that the opening 16 is arranged parallel to the axis of rotation, and that the web elements are arranged parallel to the axis of rotation. It is understood that in a modification of the fifth embodiment it can be provided that the magnetic connecting ring can be formed so that the web elements are inclined at an angle to the axis of rotation, as above for the fourth embodiment by means of the magnetic yoke ring 26 'and at explained in more detail in the second exemplary embodiment. LIST OF REFERENCE NUMBERS

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)

Abstract

L'invention concerne un palier, en particulier un palier à roulement, comprenant une première bague de roulement (1), une deuxième bague de roulement (2) ainsi qu'une unité de production d'énergie se présentant sous la forme d'un alternateur à griffes. Cet alternateur à griffes (4) comprend une première bague à griffes (5) pourvue d'une succession de premières griffes (6) et une deuxième bague à griffes (7) décalée dans la direction circonférentielle de l'axe de rotation et pourvue d'une succession de deuxièmes griffes. Ces deux bagues à griffes (5, 7) entourent une bobine d'induction (9) tournant autour de l'axe de rotation. Les griffes (6) des deux bagues à griffes (5, 7) forment des circuits magnétiques entourant la bobine d'induction (9), conjointement avec une succession de pôles magnétiques (11) tournant autour de l'axe de rotation. L'objectif de cette invention est de concevoir un palier doté d'une unité de production d'énergie se présentant sous la forme d'un alternateur à griffes, qui permet le transport d'une substance, en particulier d'un lubrifiant, en cas de faible largeur d'interstice. A cet effet, un élément de guidage de fluide (14) est disposé le circuit magnétique, cet élément de guidage de fluide (14) comprenant au moins un passage (16) qui s'étend de manière sensiblement parallèle à l'axe de rotation (22).
PCT/EP2012/063352 2011-07-13 2012-07-09 Palier à unité de production d'énergie WO2013007669A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110079081 DE102011079081A1 (de) 2011-07-13 2011-07-13 Lager mit Energieerzeugungseinheit
DE102011079081.0 2011-07-13

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WO2013007669A1 true WO2013007669A1 (fr) 2013-01-17

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013218184A1 (de) * 2013-09-11 2015-03-12 Schaeffler Technologies Gmbh & Co. Kg Wälzlager mit Energieerzeugungseinheit
DE102013221269A1 (de) * 2013-10-21 2015-04-23 Schaeffler Technologies AG & Co. KG Wälzlager mit elektrischem Generator
DE102017125911A1 (de) 2017-11-07 2018-09-13 Schaeffler Technologies AG & Co. KG Encoderring für eine in eine Wälzlageranordnung integrierbare Sensoreinrichtung und Wälzlageranordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004138133A (ja) * 2002-10-17 2004-05-13 Ntn Corp 発電機能付き軸受
US20040105602A1 (en) * 2002-03-08 2004-06-03 Ntn Corporation Rotation detecting device and wheel support bearing assembly utilizing the same
JP2006090501A (ja) * 2004-09-27 2006-04-06 Jtekt Corp 発電機付き転がり軸受装置
WO2011000362A1 (fr) 2009-07-03 2011-01-06 Schaeffler Technologies Gmbh & Co. Kg Palier à unité de production d'énergie

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040105602A1 (en) * 2002-03-08 2004-06-03 Ntn Corporation Rotation detecting device and wheel support bearing assembly utilizing the same
JP2004138133A (ja) * 2002-10-17 2004-05-13 Ntn Corp 発電機能付き軸受
JP2006090501A (ja) * 2004-09-27 2006-04-06 Jtekt Corp 発電機付き転がり軸受装置
WO2011000362A1 (fr) 2009-07-03 2011-01-06 Schaeffler Technologies Gmbh & Co. Kg Palier à unité de production d'énergie

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