WO2013007668A1 - Palier à unité de production d'énergie - Google Patents

Palier à unité de production d'énergie Download PDF

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Publication number
WO2013007668A1
WO2013007668A1 PCT/EP2012/063351 EP2012063351W WO2013007668A1 WO 2013007668 A1 WO2013007668 A1 WO 2013007668A1 EP 2012063351 W EP2012063351 W EP 2012063351W WO 2013007668 A1 WO2013007668 A1 WO 2013007668A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
claw
ring
rotation
axis
Prior art date
Application number
PCT/EP2012/063351
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 WO2013007668A1 publication Critical patent/WO2013007668A1/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
    • 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls

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.
  • US Pat. No. 6,838,794 B2 describes a bearing, in particular a roller bearing, with a first bearing ring, a second bearing ring and a power generation unit designed as a claw pole generator.
  • the claw pole generator comprises a first claw fastened to the first bearing ring.
  • a ring having a circumferential along a circumference of the first bearing ring sequence of first jaws, a second bearing ring attached to the first bearing ring with a circumferential along the circumference of the first bearing ring sequence of second jaws, and arranged between the two claw rings magnetic induction coil.
  • the bearing further comprises a sequence of magnetic poles running around a circumference of the second bearing ring and designed as a magnetic ring, and a magnetic induction coil arranged between the two claw rings, a first magnetic pole of the magnetic ring being connected via a first claw of the first claw ring and a second one Claw of the second claw ring a closed, the induction coil rotating magnetic circuit to the respect to the first magnetic pole unlike second magnetic pole of the magnetic ring closes.
  • the induction coil is arranged in a U-shaped receptacle, wherein the legs of the U are formed by the two claw rings, and wherein the two claw rings through the bottom of the U are in magnetically conductive connection with each other.
  • the substantially cylindrical, concentric with the axis of rotation gap between the jaws of the claw plates and the magnetic poles proves to be an obstacle in operation due to the small gap width.
  • US 2005/017401 A1 describes a bearing designed as a roller bearing, namely an angular contact ball bearing, with a claw pole generator, wherein the sequence of the magnetic poles formed as a rotating magnetic ring is arranged in a recess of the second bearing ring and the induction coil is cut in cross-section on all sides by the sheet metal blanks
  • the two claw rings are surrounded in sections and are seated on an end face of the first bearing ring and also arranged in sections in a recess arranged in the lateral surface of the first bearing ring.
  • the sequence of the magnetic poles is arranged on an inner lateral surface.
  • At least one of the bearing rings is extended in the direction of the axis of rotation and the other dere of the bearing rings provided with a recess form.
  • a gap is likewise provided whose small gap width makes it difficult to convey a medium, in particular a lubricant, out of the bearing.
  • This object is achieved in that the gap forms an angle to the axis of rotation of the bearing.
  • the gap in this case no longer extends cylindrically about the axis of rotation and parallel to the axis of rotation, ie at an angle of approximately zero degrees, but at an angle of more than zero degrees, so that the gap, at least in an imaginary extension, the Rotary axis cuts. Due to the angle that the gap encloses with the axis of rotation, centripetal forces occur along the axial extent of the gap, the centripetal forces at least assisting the delivery of a medium, for example a lubricant, out of or into the bearing.
  • a medium for example a lubricant
  • the parked by the angle to the axis of rotation gap further offers the possibility, with a comparable space in the axial direction to increase the effective areas of both the magnetic poles and the claws, so that at a given space in the axial direction of the magnetic flux density of the magnetic circuit penetrated area is increased and an increased voltage can be generated in the induction coil.
  • a radius of the gap increases in the direction of the axis of rotation, in particular increases linearly.
  • the gap thereby revolves around the axis of rotation of the bearing with a radius which changes along the extension of the gap in the axial direction, parallel to the axis of rotation. In a substantially conically narrowing or widening gap, the radius of the gap changes substantially linearly. If the radius of the gap increases with increasing distance from, for example, the raceway of the rolling bearing, a conveying action occurs from the bearing interior, in particular from the region near the raceway, out of the bearing.
  • the claws of the two claw rings are placed at an angle of more than about 90 ° relative to the claw rings.
  • the claws which are parked by, for example, about 120 ° or 135 °, relative to the plane of the claw rings, make it possible in a simple manner to form a gap which encloses an angle to the axis of rotation of the bearing.
  • the magnetic poles are bevelled.
  • the magnetic poles are formed as a section of a permanent magnet, whose end facing the jaws is chamfered at an angle such that the magnetic pole with the claw at the same angle forms a gap which obliquely, ie at an angle the axis of rotation runs.
  • the permanent magnet With the end pointing away from the beveled pole, the permanent magnet bears against a jacket surface of a magnetically conductive bearing ring or against a magnetically conductive return ring and can be made of a magnetically nonconductive or low-friction ring in a rotating ring. bordering material such as a plastic or brass.
  • the magnetic poles is disposed on a tapered support surface.
  • the magnetic flux occurs in the region of the formed slope, which forms an angle with the axis of rotation.
  • the angle of the slope of the support surface then forms, for example, with the parked claws the gap which extends at an angle to the axis of rotation.
  • the bearing surface is designed as a claw-facing surface of a rotational axis encircling ring receptacle, wherein the ring receptacle is formed of a magnetically non-conductive or less conductive material such as a plastic or brass.
  • the poles are designed as claw-facing sections of substantially parallelepiped-shaped permanent magnets whose ends pointing away from the magnetic poles are connected to a magnetically conductive return ring, which may be part of the ring receiver, or to the magnetically conductive body of the bearing ring.
  • the substantially parallelepiped-shaped permanent magnets may have a slightly curved side surface in order to form a better contact with the curved return ring or the bearing ring or to keep the gap width constant relative to the claws in the circumferential direction.
  • the magnetic poles or a tapered support surface for the magnetic see poles can be provided that between a magnetic pole and the claws a flux guide is arranged, the flux conducting element in magnetically conductive contact with the magnetic Poland is and is formed of a magnetically conductive material.
  • the magnetic pole or the permanent magnet whose section is formed as a magnetic pole which is disposed opposite the claw, can maintain a substantially parallelepipedal shape with possibly rounded side surfaces, the radius of curvature of the side surfaces corresponding to the radius of the Bearing ring corresponds.
  • the flux guide extends the magnetic pole towards the claw and serves as a pole piece with a defined geometry.
  • the flux guide can be formed, for example, as a segment of a circular ring of a magnetically conductive material, wherein the one bent surface, for example, the outer, beveled and the other curved surface rests flat on the magnetic pole.
  • the beveled surface then forms a gap, for example with an obliquely angled claw, which extends at an angle to the axis of rotation.
  • a flux guide ring surrounding the axis of rotation contains the flux guide elements.
  • the flux guide ring connects the flux guide elements to a common component which is placed such that each flux guide element is arranged on a magnetic pole.
  • the flux guide ring further comprises at least one, preferably two spaced retaining rings, which connect the Flußleitimplantation with each other, wherein the retaining ring for suppressing stray magnetic fluxes of a magnetically non-conductive or less conductive material such as a plastic or brass.
  • Circumferentially adjacent flux-directing elements maintain a clearance at the flux-guiding ring, leaving a gap that can be left empty, such that the flux-conducting ring has a circumferentially circumferential sequence of flux-conducting elements and windows, the windows causing stray magnetic fluxes to be limited.
  • media such as a lubricant or water vapor can pass through the windows in the flux guide ring, whereby the gap is relieved by an additional opportunity to pass through the windows.
  • the gap may be filled with a magnetically non-conductive material such as a plastic or brass, wherein the filling provides the flux guide overall increased stability and magnetic leakage flux limited.
  • the gap has an essentially constant gap width in the direction of the axis of rotation.
  • the gap width remains constant even during operation of the bearing, especially when the bearing is designed only as a pivot bearing and tilting of the bearing rings is excluded to each other.
  • a particularly space-saving design of Klauenpolgenerators in the camp results when it is provided that the angle to the axis of rotation forming gap is provided exclusively in the area between the two bearing rings, namely in the area of the mutually facing lateral surfaces of the both bearing rings radially and axially limited by an imaginary extension of the two end faces of the two bearing rings.
  • the bearing can maintain its standardized connection dimensions in this case.
  • Fig. 2 shows a perspective view of a part of the bearing shown in Fig. 1, and 3 shows in the left partial image a sectional view of the part shown in FIG. 2 and in the right partial image the detail, ⁇ 'in an enlarged view.
  • Fig. 1 shows a trained as a single-row ball bearing bearing comprising a first bearing ring 1 and a second bearing ring 2, wherein the first bearing ring 1, which is formed as an outer ring of the rolling bearing is fixed and the second bearing ring 2, which is formed as an inner ring of the rolling bearing is rotatable about an axis parallel to the auxiliary line 3 axis of rotation.
  • 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 series of first jaws encircling the axis of rotation, one of the first jaws being identified by the reference symbol '6'.
  • the first jaw 6 is formed as a section turned off with respect to the plane defined by the first claw ring 5 and is not aligned parallel to the axis of rotation (or the auxiliary line 3), but closes an angle other than zero degrees, specifically an angle of about 120 ° with the rotation axis (or the auxiliary line 3).
  • the first jaw 6 and all first jaws of the first jaw ring 5 are inclined relative to the axis of rotation, in particular by the same angle, which could also have a different amount, for example, an amount of about 135 °.
  • 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 axis of rotation, with a sequence of second claws circulating around the axis of rotation Representation of FIG. 1, for example, above or below the plane of the paper are arranged.
  • the two claw rings 5, 7 are arranged in magnetically conductive connection to an outer circumferential surface 8 of the second bearing ring 2, and surrounded on two sides of an induction coil 9, the electrically conductive turns rotate around the axis of rotation and are accommodated in an electrically non-conductive potting compound.
  • the induction coil 9 is arranged in a receptacle 10, which is delimited on two sides by the claw rings 5, 7 or terminates flush with the claw rings 5, 7 and is closed off to a third side by the claws 6 of the two claw rings 5, 7 is or flush with the claws 6 of the two claw rings 5, 7 concludes.
  • the receptacle 10 bears against the outer jacket 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 'designated and formed, for example, as the North Pole.
  • the poles adjacent to this magnetic pole 1 1 are arranged above or below the plane of the paper and are each in the form of a south pole.
  • the magnetic pole 1 1 is the first claw 6 of the first claw ring 5 shown 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 is in magnetic conductive connection to an inner circumferential surface 13 of the first bearing ring 1 is present.
  • 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 inner circumferential surface 13 of the first bearing ring first
  • the permanent magnet 12 is arranged as a substantially cuboidal part on the inner circumferential 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 form a positive fit to the inner circumferential surface 13 and form a flux guide 14.
  • the flux guide 14 is radially, relative to the axis of rotation, disposed between the magnetic pole 1 1 and the first jaw 6 of the first jaw ring 5, magnetically conductively attached to the magnetic pole 1 1 and forms a gap with the first jaw 6 of the first jaw ring 5 15 off.
  • the flux guide 15 is made of a magnetically conductive material and is formed as a segment of an annular body whose one, cylindrical, away from the claw 6 side facing a circular arc and rests flat on the curved surface of the magnetic pole 1 1.
  • the second side of the annular body is chamfered and forms an inclined surface 16, which forms an angle of approximately 120 ° to the axis of rotation (or the auxiliary line 3).
  • the inclined surface 16 is opposite to the angle of about 120 ° beveled first jaw 6 of the first jaw ring 5, so that the gap 15 between the flux guide 14 and the first jaw 6 forms an angle of about 120 ° to the axis of rotation and the gap 15 rotates the axis of rotation as a truncated-conical gap.
  • the gap 15 concentrically surrounds the axis of rotation, wherein a radius of the gap, about the axis of rotation as center, along the axis of rotation (or along the extension of the auxiliary line 3) changes, in particular changes linearly.
  • the radius of the gap 15 increases linearly with increasing distance from the bearing, for example with increasing distance to a rolling element 17 of the bearing, in the direction of the axis of rotation (or along the auxiliary line 3). It forms a magnetic circuit, starting from the magnetic pole 1 1, which is formed as a north pole, via the flux guide 14 of a magnetically conductive material, wherein the magnetic flux in the magnetic circuit bridges the gap 15 and into the first jaw.
  • 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 is provided on each of the magnetic poles, as shown for the magnetic pole 11 with the flux-conducting element 14.
  • all flux guide elements are identical.
  • the bearing comprises a flux guide ring 18, which is only partially shown in FIG. 1, which surrounds the axis of rotation and contains all the flux guide elements 14.
  • the flux guide ring 18 comprises, in addition to the flux guide elements 14, two retaining rings which are arranged axially, spaced in the direction of the axis of rotation.
  • Fig. 2 shows the flux guide 18 of the bearing shown in Fig. 1 in a perspective view.
  • the flux guide comprises the flux guide elements 14 with two circumferential retaining rings 20, 21 axially to both sides.
  • the river- The guide ring 18 comprises the flux guide elements 14, wherein in the circumferential direction adjacent flux guide elements 14 each delimit a gap 19, which remains free, so that a window is formed, the elements of the Flußleit- 14 in negligencesshchtung and the two retaining rings 20, 21 axially bounded on both sides , Through the window, for example, a fluid, in particular a lubricant, emerge, parallel to the gap 15, which is relieved to that extent.
  • the retaining rings 20, 21 are made of a magnetically non-conductive material, namely a plastic.
  • Fig. 3 shows that the flux guide ring 18 has a substantially cylindrical, interrupted by the windows, outer contour; However, the inner contour is determined by the tapered surfaces 16 of the flux guide 14.
  • the flux guide 18 is placed with the flux guide 14 on the magnetic poles 1 1, so that the magnetic forces occur a positionally correct fixing of the flux guide 18 at the magnetic poles 1 1 effect. If necessary, the flux guide ring 18 may be attached to the magnetic poles with a magnetically conductive adhesive.
  • the intermediate space 19, which delimit two flux guide elements 14 adjacent in the circumferential direction, does not have to remain free but can have a filling, for example a plastic filling that the flux guide elements 14 are surrounded not only in the region of the two retaining rings 20, 21, but also laterally between the retaining rings 20, 21 of plastic as a frame.
  • the filling can also completely fill the intermediate space 19 so that the flux guide ring 18 receives improved mechanical stability.
  • the flux guide 14 with the tapered surface 16 on the magnetic pole 1 1 of the permanent magnet 12 was arranged;
  • the flux guide 14 was a separate from the permanent magnet 12 component.
  • the tapered surface 16 may also be provided on the permanent magnet 12, for example, when the flux guide is formed integrally with the permanent magnet and the permanent magnet is formed extended in the direction of the claw 6.
  • the magnetic poles of the permanent magnet are beveled in order to form the gap 15 such that the gap 15 runs at an angle to the axis of rotation.
  • the permanent magnet retains its essentially cuboidal shape and is arranged on a bevelled surface as a bearing surface.
  • the flux guide 14 is disposed directly on the inner circumferential surface 13 of the first bearing ring 1, and that the permanent magnet 12 with the magnetic pole 1 1 on the tapered surface 16 of Flux guide element 14 rests or is fixed in a magnetically conductive manner.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact 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. De plus, lesdites griffes (6) des bagues à griffes (5, 7) délimitent un interstice (15) entourant l'axe de rotation, servant à fermer les circuits magnétiques. 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, l'interstice (15) présente un angle par rapport à l'axe de rotation du palier.
PCT/EP2012/063351 2011-07-13 2012-07-09 Palier à unité de production d'énergie WO2013007668A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011079080A DE102011079080A1 (de) 2011-07-13 2011-07-13 Lager mit einer Energieerzeugungseinheit
DE102011079080.2 2011-07-13

Publications (1)

Publication Number Publication Date
WO2013007668A1 true WO2013007668A1 (fr) 2013-01-17

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Application Number Title Priority Date Filing Date
PCT/EP2012/063351 WO2013007668A1 (fr) 2011-07-13 2012-07-09 Palier à unité de production d'énergie

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WO (1) WO2013007668A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013221269A1 (de) * 2013-10-21 2015-04-23 Schaeffler Technologies AG & Co. KG Wälzlager mit elektrischem Generator

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559462A (en) * 1984-05-30 1985-12-17 Hernandez Badillo Wilfredo Dynamo-electric cycle axle
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
US6838794B2 (en) 2002-03-14 2005-01-04 Ntn Corporation Bearing assembly with electric power generator
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4559462A (en) * 1984-05-30 1985-12-17 Hernandez Badillo Wilfredo Dynamo-electric cycle axle
US20040105602A1 (en) * 2002-03-08 2004-06-03 Ntn Corporation Rotation detecting device and wheel support bearing assembly utilizing the same
US20050174011A1 (en) 2002-03-08 2005-08-11 Ntn Corporation Rotation detecting device and wheel support bearing assembly utilizing the same
US6838794B2 (en) 2002-03-14 2005-01-04 Ntn Corporation Bearing assembly with electric power generator
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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