WO2015180764A1 - Ensemble d'étanchéité à structure anti-rotation - Google Patents

Ensemble d'étanchéité à structure anti-rotation Download PDF

Info

Publication number
WO2015180764A1
WO2015180764A1 PCT/EP2014/061008 EP2014061008W WO2015180764A1 WO 2015180764 A1 WO2015180764 A1 WO 2015180764A1 EP 2014061008 W EP2014061008 W EP 2014061008W WO 2015180764 A1 WO2015180764 A1 WO 2015180764A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing
sealing assembly
assembly according
sensor
ring
Prior art date
Application number
PCT/EP2014/061008
Other languages
English (en)
Inventor
Sylvain Chaussat
Franck Landrieve
Original Assignee
Aktiebolaget Skf
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 Aktiebolaget Skf filed Critical Aktiebolaget Skf
Priority to PCT/EP2014/061008 priority Critical patent/WO2015180764A1/fr
Publication of WO2015180764A1 publication Critical patent/WO2015180764A1/fr

Links

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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
    • F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
    • F16J15/3256—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals
    • F16J15/326—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports comprising two casing or support elements, one attached to each surface, e.g. cartridge or cassette seals with means for detecting or measuring relative rotation of the two elements
    • 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
    • F16C41/008—Identification means, e.g. markings, RFID-tags; Data transfer means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings

Definitions

  • the invention relates to a sealing assembly to be mounted on/or in a ring of a rolling bearing .
  • the invention relates to a sealing assembly including a first part including a first sealing component and a second part including a second sealing component in sliding contact with the first sealing component, so as to be rotatable relative to one another. It is proposed that that a radial surface of one or the parts of the sealing configured to be fitted onto- or into a supporting part is provided with an anti-rotation structure of elastomeric material for avoiding a creeping rotation of the part in relation to the supporting part.
  • the part provided with the anti-rotation structure is a radially outer part of the sealing assembly, where the displacements due to unintended rotations are larger.
  • the first part is configured to be connected to a first ring of a bearing and the second part is configured to be connected to a second ring of the bearing .
  • the sensor arrangement further includes at least one circuit board equipped with at least one electronic component arranged in an interior space of the sealing assembly and at least one wire connected to said circuit board, wherein at least one of said sealing components is provided with a channel for guiding the wire from the interior space to an outside of the interior space.
  • the anti-rotation structure may avoid tensions or damages of the wire as they may result from unintended rotations or its supporting parts.
  • the assembly includes a supporting ring holding a wire serving as antenna for transmitting signals generated by the sensor arrangement, wherein the anti-rotation structure is provided on a radially outer surface of the supporting ring .
  • the assembly comprises a flange with a sealing lip consisting of a rubber material, wherein anti-rotation structure consists of the rubber material of the sealing lip.
  • the flange comprises a cylindrical portion provided with the anti-rotation structure and a portion protruding radially inward provided with the sealing lip.
  • the manufacturing costs may be reduced even further when the anti-rotation structure and the sealing lip are formed in the same manufacturing step, in particular when the anti-rotation structure and the sealing lip are formed by overmoulding combined with vulcanization.
  • the sealing performance can be further improved when anti-rotation structure is formed as a closed ring and configured to seal a gap between the sealing assembly and the supporting part.
  • the sensor comprising a sensor arrangement including electronic components
  • the sensor arrangement comprises a sensor and electronic devices for reading out the sensor signals and/or for pre-processing the sensor signals of the sensor. Damages of these fragile components may be avoided or reduced by a damping effect of the coating.
  • the assembly includes generator means or harvester means for generating energy for self-powering electronic devices of the sensor assembly.
  • Damages of the seal or of other components during transport or handling may be avoided, when the assembly comprises a magnetic encoder ring attached to one of the first part and the second part, wherein the magnetic encoder ring exerts the magnetic attraction to at least one component of the other part out of the first part and the second part such that a gap between the encoder ring and the pertinent sensor means or generator means is closed in the absence of external forces and upon transporting and handling the sensor assembly.
  • FIG. 1 is a sectional view of a hub including a sealing assembly according to a first embodiment of the invention
  • Fig. 2 is an enlarged view of the sealing assembly in Fig. 1;
  • Fig. 3 is a sectional view of the sealing assembly according to Figs.
  • Fig. 4 is a perspective view of a cartridge constituting the sealing assembly according to the first embodiment of the invention.
  • Fig. 5 is a further perspective view of the cartridge constituting the sealing assembly according to the first embodiment of the invention
  • Fig. 6 is an exploded view of the sealing assembly according to the first embodiment of the invention
  • Fig. 7a is a sectional view of the sealing assembly according to Figs.
  • Fig. 7b is a sectional view of the sealing assembly according to Figs.
  • Fig. 7b is a sectional view of the sealing assembly according to Figs.
  • Fig. 8 is a perspective view of an antenna and of an antenna carrier ring of the sealing assembly according to Figs. 1 - 7;
  • Fig. 9 is a perspective view of the antenna carrier ring holding the antenna according to Fig. 8;
  • Fig. 10 is a perspective view of a hub unit including a sealing assembly according to a second embodiment of the invention.
  • Fig. 11 is a sectional view of the hub unit sealing assembly according to the second embodiment of the invention.
  • Fig. 12 is a partial view of the sealing assembly according to Fig. 11;
  • Fig. 13 is a sectional view of the sealing assembly according to the second embodiment of the invention.
  • Fig. 14 is a perspective view of a sleeve carrying an antenna in a sealing assembly according to the second embodiment of the invention.
  • Fig. 15 is an exploded view of the sealing assembly according to the second embodiment of the invention.
  • Fig. 16 is a perspective view of a cartridge constituting a sealing assembly according to the second embodiment of the invention.
  • Fig. 17 is a further perspective view of the cartridge according to the second embodiment of the invention.
  • Fig . 1 is a sectional view of a hub 10 of a light motorcycle.
  • a body of the hub 10 is mounted on a shaft 12 via two single-row ball bearings 14a, 14b, wherein the outer rings of the bearings 14a, 14b are fitted into the hub 10 and the inner rings are fitted over the shaft 12 and are held in place by a spacer ring 16 and a bushing 18.
  • the bearing 14b on the right hand side is sealed by a sealing assembly 20 according to the invention, which is fitted into a pertinent recess of the hub 10 such that the hub 10 serves as a first supporting part of the sealing assembly.
  • the sealing assembly 20 is fitted over the shaft 12 being a second supporting part for the sealing assembly, wherein a sleeve 22 may be provided between a metallic flange 24 of the sealing assembly and the shaft 12 if the inner diameter of the flange 24 does not match the outer diameter of the shaft 12.
  • the radial thickness of the sleeve 22 can be adapted to the outer diameter of the shaft 12 such that the rest of the assembly may be used for multiple different shaft diameters. Further, it is possible to use a similar sleeve between the outer diameter of the sealing assembly 20 and the inner diameter of a bore in the body of the hub 10 if these do not match.
  • Figs. 2 and 3 are enlarged views of the sealing assembly 20 according to the first embodiment of the invention.
  • the sealing assembly 20 has two parts which are rotatable relative to one another, wherein the first, inner part is fastened to the shaft 12 so as to rotate with the shaft 12 and the second, outer part is fastened to the body of the hub 10 via an outer flange 34 and rotates together with the latter.
  • Sensor means are arranged within the sealing assembly and are suitable for measuring the rotational speed of the hub 10.
  • the measurement values of the sensor mans or speed data depending thereon are transmitted to a control unit (not illustrated) outside of the hub 10 e.g . to a tachometer of a motorcycle being equipped with the hub 10.
  • the sealing assembly 20 seals the sensor means received therein as well as the bearing 14b such that the intrusion of dust or the like is avoided.
  • the sensor means in the embodiment of Fig. 2 comprises a Hall sensor 28 and a magnetic encoder ring 26 fixed on the flange 24 connected to the shaft 12 arranged opposite to the Hall sensor 28 mounted on a printed circuit board 30 arranged in an interior space of the sealing assembly.
  • the interior space is the space axially limited by the flange 34 and the sealing lip on the one hand and the encoder ring 26 on the other hand .
  • the printed circuit board 30 is mounted on a plastic support ring 32 (Fig. 1, Fig. 6) fitted into the outer flange 34.
  • the outer flange 34 has a cylindrical portion and a portion protruding radially inward, wherein the radially inner part of the flange 34 is provided with a sealing lip 36.
  • the lip 36 is overmoulded or vulcanized onto the flange 34 and the rubber or sealing material covers a side of the flange facing the electronic components of the sensor assembly mounted on the printed circuit board 30.
  • the sealing lip 36 is preloaded with a circular spring 37 and is in sliding contact with the corresponding sealing bushing 40 provided with a radial deflection part and an axial portion which is fitted over the sleeve 22 and rotates with the first part of the sealing assembly.
  • the last-mentioned bushing 40 and the flange 24 are portions which protrude radially outward from the sleeve 22 up to a radius exceeding the inner radius of the flange 34 such that the assembly cannot be detached in an non-destructive way by axially moving the first part of the sealing arrangement relative to the second part of the sealing arrangement.
  • the first part of the sealing arrangement comprises the sleeve 22, the flange 24, the bushing 40 and the encoder ring 26 and the second part fixed to the hub body comprises the flange 25, the sealing lip 36, the support ring 32, the printed circle port 30, the Hall sensor 28 and further electronic components for the sensor assembly mounted on the printed circle port 30.
  • the two parts of the sealing assembly can be more clearly distinguished in the simplified Figs. 7a - 7c below, where the components belonging to the first part are illustrated with a simple hatching and the components belonging to the second part are illustrated with a cross-hatching.
  • a supporting ring 44 supporting a wire formed as an antenna 46 (Fig. 6).
  • the supporting ring 44 is a plastic part fixed to the flange 24 by means of pins 48 which extend through associated holes on the radial portion of the flange 24.
  • the pins 48 may further serve to fix the printed circuit board 30 to the flange 24.
  • Other fixing means are possible such as glue, vulcanization, screws, overmoulding etc.
  • the pins 48 are heated in order to ensure a secure material bonded connection.
  • the flange 24 comprises holes for guiding the antenna 46 outside the interior space of the sensor arrangement which is electromagnetically screened by the metallic flange 24.
  • the antenna 46 is connected to the printed circuit board by welding or via a coaxial switch.
  • the meshing radial protrusions are, however, designed in such a way that an axial play essentially equal to the width of an air gap 49 between the encoder ring 26 and the Hall sensor 28 is possible.
  • the magnetic encoder ring 26 exerts a magnetic attraction force to the Hall sensor 28 and to other metallic parts on the printed circuit board 30 and/or to the flange 34. In the transport configuration illustrated in Fig . 7a and Fig .
  • the magnetic attraction force closes the gap 49 between the encoder ring 26 and the Hall sensor 28 and makes the Hall sensor 28 stick to the encoder ring 26 unless these are separated by an external force.
  • the two parts of the sealing assembly 20 stick together and are not loose when handling or transporting the cartridge.
  • Figs. 4 and 5 illustrate the cartridge in an unmounted configuration and in different perspective views.
  • the antenna 46 is embedded into the plastic support ring 44 by overmoulding or otherwise.
  • protruding legs 50 of the support ring 32 protrude axially over the radially outermost surface of the flange 34.
  • the outer flange 34 may optionally be provided with an overmoulded anti- rotation structure formed as a rubber ring 52 for sealing and anti-rotation purposes.
  • Fig. 6 is an exploded view of the sealing assembly 20 according to the first embodiment of the invention.
  • the bushing 40 with the regularly protruding deflector is press-fitted over the sleeve 22.
  • the connection between the sleeve 22 and finally the flange 24 may be achieved otherwise, e.g . by bonding, gluing, snap- fitting or screwing .
  • the printed circuit board 30 is essentially ring-shaped with cut-outs on its outer circumference and can be fitted into the supporting ring 32 from below.
  • the supporting ring 32 is provided with protrusions 54 at the radially inner side of its legs 50 and the cut-outs of the printed circuit board 30 are such that the printed circuit board 30 can be axially pushed over the protrusions 54 in a suitable orientation. The printed circuit board 30 is then rotated and axially supported by the protrusions 54.
  • the supporting ring 32 (without the pins 48) provided with a printed circuit board 30 is then fitted into the outer flange 34 and the supporting ring 44 with the antenna 46 on the axially outer side of the outer flange 34 such that the latter is sandwiched between a supporting ring 32 and the supporting ring 34.
  • the assembly is fixed by means of the pins 48 connecting the supporting ring 44, the flange 34 and the supporting ring 32.
  • This assembly is then fitted over the sleeve 22 and finally the flange 24 with the encoder ring 26 is press-fitted over the axial end of the sleeve 22 so as to form a stable cartridge.
  • connection between the sleeve 22 and finally the flange 24 may be achieved otherwise, e.g . by bonding, gluing, snap-fitting or screwing.
  • end face of the supporting ring 34 is provided with holes 34a for the pins and with holes 34b for the antenna 46 having the function of a channel 58 for guiding the wire formed as the antenna 46 from the interior space to an outside of the interior space.
  • the holes 34b for the antenna are at least partially filled with the rubber material of the sealing lip 36 with which the inside of the supporting ring 34 facing the electronic components of the sensor assembly is coated in such a way that the channel is configured such that the rubber material encompasses the wire and that the rubber material is stretched by the antenna wire 46 so as to bear with an elastic force on a radially outer surface of the antenna wire 46.
  • Fig . 7a illustrates the cartridge in a transport configuration where no gap 49 between the encoder ring 26 and the hall sensor 28 is magnetically attracted by the encoder ring 26.
  • Fig . 8 shows the antenna 46 and the supporting ring 44 separated from each other and Fig. 9 shows the supporting ring 44 with the antenna 46.
  • the antenna may be received in a suitably interior space of the supporting ring 44 or may be integrally moulded with the supporting ring 44.
  • the dotted line in Fig . 8 illustrates a further embodiment of the invention where the ring- shaped sealing- and anti-rotation structure 52 is moulded onto the supporting ring .
  • Figs. 10 - 17 show a second embodiment of the invention.
  • the following description of the second embodiment of the invention will be generally limited to the differences to the first embodiment of the invention as described above.
  • the reader is referred to the above description of the first embodiment with regard to features which are unchanged .
  • features with identical or similar functions are labeled with the same reference numbers.
  • the printed circuit board 30 is fixed to a sleeve 22 attached to the shaft 12 and the magnetic encoder ring 26 is attached to a flange 34 which rotates together with the body of the hub 10.
  • the encoder ring 26 includes magnets or magnetic particles embedded in a plastics material or overmoulded which is fixed in holes in the axial end face of the outer flange 34.
  • the outer flange 34 is provided with an overmoulded rubber ring 52 for sealing and anti-rotation.
  • This anti-rotation feature is preferably provided in the part of the sealing assembly which guides the antenna 46 or another wire to the outside, in particular in case where that wire is - unlike the antenna - connected to other components.
  • the anti- rotation means could be formed otherwise than by a rubber ring 52 or rubber lip and avoids that a creeping rotation of the pertinent part or the sealing assembly leads to damages of the wire or of the sealing function. As illustrated in Figs.
  • the antenna 46 is guided from the printed circuit board 30 along the shaft 50 to the outside of the space screened by the flange 24 and is fitted into a circumferential groove 56 on the axial end face of the radial portion of the sleeve 22 as illustrated in Figs. 14 and 17.
  • the sleeve 22 may be made of different plastic materials or different parts fitted together including the first radial portion holding the antenna 46 as illustrated in Fig. 6 and the second radial portion holding the printed circuit board 30 as illustrated in Fig . 7.
  • a cylindrical core part of the flange 24 may be formed of a material with higher rigidity or of metal sufficiently hard to support the forces acting on the wheel, in particular of metal .
  • Fig. 15 is an exploded view of the sealing assembly 20 according to the second embodiment of the invention.
  • the antenna 46 is mounted in the groove 56 on the flange 24 and its end part is guided through an axial groove 58 on the radially inner side of the sleeve 22.
  • the sleeve 22 is composed of a metallic core part 22a and a plastic part 22b protruding radially outward and receiving the antenna 46 in its groove 56.
  • the plastic part 22b forms a labyrinth with the flange 34 protruding radially inward and deflects liquids or particles toward an axial end face of the flange 34.
  • the encoder ring 26 is fitted into the outer flange 34 and fixed thereto with pins 48.
  • the encoder ring 26 may be formed by overmoulding, fixed to the flange 34 by bonding or curing or simply be held in place by the magnetic attraction force.
  • the sealing lip 36 moulded on the flange 34 is in direct sliding contact with the sleeve 22.
  • the printed circuit board 30 with the hall sensor 28 or coil arrangement is mounted in a supporting ring 32 having protrusions 54 for a snap-fitting connection.
  • the flange 34 with the encoder ring 26 is then fitted over the sleeve 22 and then the supporting ring 32 is fixed to the sleeve 22 by positive engagement of protrusions 60 with pertinent recesses 62 in the sleeve.
  • Metal strips 64 on the axial end of the outer flange 34 can be folded radially inward so as to encompass the supporting ring 32 and to prevent an unintended dismantling of the partridge due to excessive axial play.
  • the final configuration of the cartridge is different views in Figs. 16 and 17.
  • the axial play limited by the metal strips 64 on the one hand and by the contact between the plastic part 22b of the sleeve and the flange 34 is set in such a way that damages of the sealing lip are safely avoided .
  • the Hall sensor may be used as or replaced by an energy harvester as generator means for generating energy for self- powering electronic devices of the sensor assembly with a capacity sufficient to drive the electronic components mounted on the printed circuit board 30.
  • the harvester may include one or more piezo crystals or coils configured to extract field energy from the oscillating magnetic field generated by the encoder ring .
  • the piezo-elements may be connected to the printed circuit board via elastomeric connectors as elastomeric connector pads on the market allowing for a sufficient amount of deformation.
  • a thickness of the elastomeric connector layer available may be in the range between 0,5 and 1,5 mm.
  • the piezo-elements may be placed on a side of the printed circuit board 30 facing the encoder ring whereas the other electronic components may be placed on the other side of the printed circuit board 30.
  • the elastomeric connector may be formed as an elastomeric seal having an additional sealing function.
  • the antenna 46 may be replaced by a cable for transmitting or transporting energy or sensor data from and to the sensor assembly and the printed circuit board .
  • a connector may be provided on an outer surface of the cartridge for connecting the sensor arrangement to a data processing unit for processing the sensor data and/or for supplying energy to the sensor arrangement.
  • a sensor for measuring the rotational speed it is possible to provide temperature sensors, vibration sensors, pressure sensors or other kinds of sensors on the printed circuit board 30 or in other places inside the cartridge.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

Ensemble d'étanchéité structure anti-rotation. La présente invention se rapporte à un ensemble d'étanchéité comprenant une première partie (11) comprenant un premier composant d'étanchéité (36) et une seconde partie (21) comprenant un second composant d'étanchéité (22, 40) en contact coulissant avec le premier composant d'étanchéité (36), ladite première partie (11) étant conçue pour être reliée à un premier anneau d'un palier et ladite seconde partie (21) étant conçue pour être reliée à une seconde bague du palier de manière à pouvoir tourner l'une par rapport à l'autre. On propose qu'une surface radiale de l'une ou des deux parties (11, 21) de l'étanchéité conçue pour être ajustée sur ou dans une pièce de support (10, 12) soit pourvue d'une structure anti-rotation (52) d'un matériau élastomère pour éviter une rotation de glissement de la partie (11, 21) par rapport à la pièce de support (10, 12). (Fig. 2)
PCT/EP2014/061008 2014-05-28 2014-05-28 Ensemble d'étanchéité à structure anti-rotation WO2015180764A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/061008 WO2015180764A1 (fr) 2014-05-28 2014-05-28 Ensemble d'étanchéité à structure anti-rotation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/061008 WO2015180764A1 (fr) 2014-05-28 2014-05-28 Ensemble d'étanchéité à structure anti-rotation

Publications (1)

Publication Number Publication Date
WO2015180764A1 true WO2015180764A1 (fr) 2015-12-03

Family

ID=50842258

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/061008 WO2015180764A1 (fr) 2014-05-28 2014-05-28 Ensemble d'étanchéité à structure anti-rotation

Country Status (1)

Country Link
WO (1) WO2015180764A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090058011A1 (en) * 2005-05-19 2009-03-05 Uchiyama Manufacturing Corp. Sealing device
EP2072869A1 (fr) * 2007-12-18 2009-06-24 SNR Roulements Joint d'étanchéité instrumenté à système autonome de mesure
WO2011121383A1 (fr) 2010-04-02 2011-10-06 Aktiebolaget Skf Ensemble roulement, outil et procédé de montage d'un tel ensemble roulement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090058011A1 (en) * 2005-05-19 2009-03-05 Uchiyama Manufacturing Corp. Sealing device
EP2072869A1 (fr) * 2007-12-18 2009-06-24 SNR Roulements Joint d'étanchéité instrumenté à système autonome de mesure
WO2011121383A1 (fr) 2010-04-02 2011-10-06 Aktiebolaget Skf Ensemble roulement, outil et procédé de montage d'un tel ensemble roulement

Similar Documents

Publication Publication Date Title
US5431413A (en) Seal incorporating an encoder
US7033080B2 (en) Device for detecting the rotation speed of a rotating element
EP0726468A1 (fr) Dispositif de codeur pour capteur de vitesse de rotation et roulement équipé d'un tel dispositif
US20230353007A1 (en) Motor
US20120027329A1 (en) Flange assembly
KR101153505B1 (ko) 모터 및 기록 디스크 구동장치
JP2012500944A (ja) 軸受のフリンガ用の延長部材
JP6432125B2 (ja) 磁気エンコーダ、及び磁気エンコーダを備えた軸受装置
JP2012500617A (ja) はずみ車アセンブリ
US20170030410A1 (en) Rolling Bearing Assembly
WO2015180764A1 (fr) Ensemble d'étanchéité à structure anti-rotation
WO2015180763A1 (fr) Ensemble d'étanchéité, notamment pour paliers à roulement
US20170159707A1 (en) Fan
WO2015180765A1 (fr) Ensemble d'étanchéité pour paliers à roulement comprenant un fil
JP2009036233A (ja) センサ付軸受
JP2009156674A (ja) センサ付き転がり軸受装置
JP6476986B2 (ja) センサ付きケーブル
KR20140070902A (ko) 모터의 회전축 결합모듈 및 그 제조방법
JP2005207583A (ja) スピンドルユニット、これを有する釣用リールそしてウィンドゲージ
CN110383642B (zh) 用于电动马达的壳体
EP2689155B1 (fr) Agencement de palier de roulement avec capteur de vitesse de rotation
US11585384B2 (en) Bearing ring with integrated fiber sensor and associated bearing
JP2012145462A (ja) 回転検出機能付き滑り軸受装置
JP7201985B2 (ja) 密封装置
JP5131052B2 (ja) 磁気エンコーダー

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14727200

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14727200

Country of ref document: EP

Kind code of ref document: A1