WO2014026684A1 - Système de capteur comprenant un support de capteur et un capuchon d'étanchéité, et système de roulement de moyeu de roue équipé d'un transmetteur de signal et du système de capteur - Google Patents

Système de capteur comprenant un support de capteur et un capuchon d'étanchéité, et système de roulement de moyeu de roue équipé d'un transmetteur de signal et du système de capteur Download PDF

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Publication number
WO2014026684A1
WO2014026684A1 PCT/DE2013/200110 DE2013200110W WO2014026684A1 WO 2014026684 A1 WO2014026684 A1 WO 2014026684A1 DE 2013200110 W DE2013200110 W DE 2013200110W WO 2014026684 A1 WO2014026684 A1 WO 2014026684A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
wheel bearing
outer ring
carrier
wheel
Prior art date
Application number
PCT/DE2013/200110
Other languages
German (de)
English (en)
Inventor
Andreas Kaiser
Christian Heid
Christian Mock
Christian HÜLZ
Frank Eichelmann
Florian KÖNIGER
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 WO2014026684A1 publication Critical patent/WO2014026684A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0047—Hubs characterised by functional integration of other elements
    • B60B27/0068—Hubs characterised by functional integration of other elements the element being a sensor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
    • B60B7/0013—Hub caps
    • 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
    • F16C33/723—Shaft end sealing means, e.g. cup-shaped caps or covers
    • 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
    • F16C41/007—Encoders, e.g. parts with a plurality of alternating magnetic poles
    • 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
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • F16C19/186—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/50—Positive connections
    • F16C2226/70—Positive connections with complementary interlocking parts
    • F16C2226/74—Positive connections with complementary interlocking parts with snap-fit, e.g. by clips
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors

Definitions

  • the invention relates to a sensor arrangement for fastening and sensing a wheel bearing, and a wheel bearing with such a sensor arrangement.
  • wheel bearings and wheel bearing units have been developed for use in connection with an anti-lock braking system in vehicles.
  • a wheel bearing unit is known, which is closed on the vehicle side with a lid and by means of an externally mounted sensor detects the signal of the arranged within the wheel bearing signal generator through the lid. This is advantageous because the cover protects the wheel bearing permanently, ie before and after the installation of the wheel bearing on the wheel carrier, and seals.
  • the second cover is not intended for securing and sealing, but has the function of holding the sensor assembly in the intended position. It is advantageous that the second cover can remain with the sensor carrier on the wheel bearing, wherein the sensor is replaceable. Since the inner lid, which is used for the sealing and securing of the wheel bearing interior, is not needed for the sensor attachment, the interior of the wheel bearing remains sealed during the replacement process. So far, the costs and the production costs have been accepted to equip a vehicle-covered, sensed wheel bearing unit with two lids.
  • the invention has for its object to provide for a capped wheel bearing or a capped wheel bearing unit, a sensor arrangement that saves axial space, inexpensive to manufacture and maintain without affecting the advantageous properties of a capped wheel bearing or a capped wheel bearing unit.
  • the sensor carrier is provided for attachment to the cover and the outer ring of the wheel bearing.
  • the cover is provided for attachment to the wheel bearing and the sensor carrier for attachment to the outer ring of the wheel bearing and optionally for attachment to the lid.
  • the sensor carrier has a ring shape to be easily attached and positioned. It is also advantageous that gap formation and thus leakage between sensor carrier and cover is avoided. The production remains cost-effective and yet corrosion can be avoided with absolute sealing and simple installation.
  • Sensing is understood to mean the equipment of a wheel bearing or of a wheel bearing unit with a sensor or a sensor arrangement, with which the wheel bearing or the wheel bearing unit can initially be operated without sensor arrangement (unsensitized) or alternatively can be equipped or retrofitted with a sensor or a sensor arrangement.
  • a wheel bearing is understood, which is intended for faster or easier installation.
  • a mounting flange and / or a wheel flange may be integrated into a wheel bearing ring or it may be a Wälznietbund used to bias a bearing ring or more bearing rings.
  • the lid rests against a fixed part of the wheel bearing, for which the outer ring of the wheel bearing or the wheel bearing unit is usually provided.
  • the lid can be fastened on the inside or outside of the outer ring, for example via a force fit or a positive connection.
  • the lid will ideally remove other seal arrangements typically provided between rotatable components of bearings. Therefore, it is not necessary to have any work on the wheel hub. components of a seal assembly, such as a cassette seal to install.
  • the cover closes the roller bearing on the axial side completely and is preferably made of stainless steel with a clipped sensor or sensor carrier.
  • the sensor can be set axially or radially or obliquely.
  • the lid (for example, designed as a metal cap) radial recesses, which serve for the positive connection when snapping or clipping.
  • the lid is preferably designed as a metal cap with radially resilient fit fit. This allows the wheel bearing to be sealed on the vehicle side in a manner similar to that of a paint tin box.
  • the lid consists for example of a non-ferromagnetic material, whereby a detection through the lid is possible therethrough.
  • the sensor carrier has a ring shape.
  • the sensor carrier per se allows a position-stable arrangement and position-stable fixation of the sensor, which is to detect its signals with respect to a signal transmitter through the lid. The signal detection can be used to deduce the movement of the wheel hub.
  • the preferred ring shape it is now possible to at least partially fasten the sensor carrier advantageously on the cover, with it being possible to use a positive fit or a frictional connection for fastening the sensor carrier.
  • a preferred separation of the sensor carrier from the sensor allows easy installation of the sensor arrangement during the manufacturing process, but advantageously also means that it is possible to exchange a sensor which fails during the wheel bearing service life, because this sensor can be separated from the sensor carrier. It may be that the sensor carrier is captively fixed by the arrangement in the wheel carrier on the outer ring or the wheel bearing, however, the sensor can still be removed from the Radffyfact.
  • a Klippfunktion or a Snapping function by a screwed groove on the outer ring allows.
  • the lid can be attached to the outside of the outer ring by a part of the lid, such as a latching nose, is provided for an axial positive engagement with the outer ring.
  • the lid or a component thereof can be elastically stressed and snap in by means of its relaxation movement in the screwed groove or be clipped.
  • the Klippfunktion or the snap function is not possible by a screwed groove on the outer ring, but by molding in the lid.
  • an outer ring which can be fastened to the wheel carrier is provided, wherein the outer ring is closed on the vehicle side with the cover and the sensor carrier is fastened radially on the outer ring in a form-fitting manner.
  • the sensor carrier is preferably at least partially or completely in the lid.
  • the senor and / or the sensor carrier are arranged in one of the cover at least partially radially inside the outer ring.
  • the lid has a shape which is advantageous for the installation of the lid, especially since a provided for the positive connection with the outer ring part of the lid can be moved by a pulling movement in the direction of the bearing interior.
  • the sensor carrier is axially fixed by the positive connection on the outer ring and radially by a positive connection with the lid. This results in a more advantageous mounting stability and a better position stability for the sensor during operation.
  • the cover comprises the cylindrical signal transmitter radially and the sensor is for signal transmission in radial Rieh- provided for.
  • a radial signal transmission for rotation detection can be installed more advantageously, because the distance tolerances can be adjusted easily.
  • the sensor and possibly a part of the sensor carrier can be located within the outer ring and optionally between the hub and the outer ring, nevertheless a radial signal transmission is possible, which is now also used in an optimally utilized space.
  • the cover has two cylindrical sections, which are arranged coaxially with each other.
  • two form-fitting can be produced, namely a radial positive engagement inwards and another radial positive engagement to the outside, whereby the lid advantageously secures the sensor carrier in its position.
  • the said cylindrical section assumes a double function.
  • a locking element comprises the outer ring partially or completely and is fastened by means of a positive connection to the outer ring.
  • the latching element is preferably provided to secure the sensor carrier in the axial direction and possibly also against rotation in the circumferential direction.
  • the locking element can also take over further positioning or fixing functions of the sensor carrier.
  • a support surface is formed on the outer ring, which is provided for receiving in the hollow cylindrical wheel carrier and the outer diameter is greater than that of the locking element, wherein the locking element is secured after receiving the wheel. In this way, the locking element together with the wheel carrier still forms a captive securing of the sensor carrier, which is implemented by the installation in the wheel carrier.
  • the sensor carrier is axially fixed by the positive connection on the outer ring and radially by a positive connection with the lid.
  • the positive connection can also be produced, for example, via a bayonet closure or another positive connection.
  • the radial positive locking on the cover may alternatively form an annular groove, a plurality of projections or recesses, which are each formed on the cover.
  • Fig. 1 is a double-row wheel bearing with a sensor arrangement whose
  • FIG. 1 a is an enlarged view of the sensor arrangement of Figure 1
  • Fig. 1 b is a three-dimensional view of the lid attachment from the
  • Figures 1, 1 a and 1 b show a snapping of the nose 41 in the groove of the outer ring 61, wherein the lid 66 is additionally secured by the attachment of the sensor ring 42 on the wheel bearing.
  • the adhesion of the cylindrical member 30 can be supported within the outer ring 61, if this is necessary at all.
  • the cover 66 is already firmly seated in the outer ring 61 based on said frictional connection, because in this way the sensor carrier 42 designed as a sensor ring 42 remains removable without exposing and contaminating the bearing interior.
  • the sensor 43 is firmly integrated in the sensor ring 42, for example, by means of a plastic injection molding process.
  • the sensor 43 projects axially out of the cover 66 on the vehicle side and thus protects the cable harness 15, which is subject to the greatest risk of damage in wheel bearing installations.
  • the sensor also fills an interior of the lid 66 formed by cold forming.
  • the interior is formed by the cylindrical parts 30,31 and the disc-shaped connecting piece 32.
  • the interior of the lid 66 is open and provided for fitting the sensor ring 42, wherein the sensor ring 42 may be continuous or interrupted in the circumferential direction.
  • the interior can be continuous or interrupted in the circumferential direction and lies largely radially within the outer ring 61st
  • the reading direction of the sensor 41 is directed radially inward by the cylindrical portion 31 so that the sensor 41 can detect the movement of the signal generator 33 by the non-magnetic cover 66.
  • the portion 31 has a dual function, namely on the one hand, a protective function of the bearing interior, but also the most trouble-free passage of the signals of the signal generator 31st
  • the signal generator such as a magnetic encoder, parallel to the cylindrical see outer surface of the inner ring 3 is arranged.
  • the cylindrical portion 30 forms with the outer ring 61 a press fit, which is because of the disc-shaped connecting piece 32 and the cylindrical portion 31 is a resilient interference fit, which holds the sensor 43 in position, but also absorbs shocks.
  • there is an advantage in the pressing of the cover 66 during the manufacture of the wheel bearing because the cylindrical portion 30 can be pulled into the interference fit via an axial force application on the axial center of the lid 66 in the outer ring 61, especially since the press-in force on the portion 31st and the connector 32 is redirected.
  • Fig. 1 b shows that the locking lugs 41 are interrupted in the circumferential direction, or a plurality of locking lugs 41 are provided in order to achieve a sufficiently large positive connection.
  • FIG. 2 shows that in all exemplary embodiments, the securing ring 42 can be secured in its position by the wheel carrier 67.
  • replacing the sensor ring 42 requires uninstalling the wheel bearing. Therefore, it is advantageous not to integrate the sensor 43 firmly into the sensor ring 42, but to provide a fastening device that makes the sensor 43 interchangeable when attached to the outer ring 61 sensor ring 42 or at least allows removal of the sensor 43 from the sensor ring 42.
  • the support surface 20 has a diameter which is slightly larger than the largest outer diameter of the latch 41. Minor here means that the amount of the diameter difference of said diameter is less than the positive locking in the radial direction between the groove 68 and the latching lug.
  • the signal generator 13 can be provided both for an axial reading direction through the disk-shaped connecting piece 32 and for a radial reading direction (detection direction) through the portion 31.
  • the lid 66 is formed substantially rotationally symmetrical to the axis of rotation 5, wherein at the sensor position, a recess adapted to the sensor is provided. Non-rotating deformations ensure a predetermined positioning in the direction of rotation and at the same time secure the sensor or sensor carrier against rotation on the cover 66 designed as a metal cap.
  • the invention relates to a sensor arrangement for mounting and sensing a wheel bearing, wherein the sensor arrangement consists of a cover 66 and a sensor carrier 42 and wherein the cover 66 is provided for attachment to the wheel bearing.
  • the teaching of the invention is directed to an improved installation and maintenance of a wheel bearing with sensor arrangement.
  • the sensor carrier 42 is provided for attachment to the cover 66 and to the outer ring 61 of the wheel bearing.
  • the invention further relates to a wheel bearing with such a sensor arrangement.

Landscapes

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

Abstract

L'invention concerne un système de capteur, destiné à être fixé sur et à détecter un palier de roue. Le système de capteur se compose d'un couvercle (66) et d'un support de capteur (42), le couvercle (66) étant destiné à se fixer sur le palier de roue. L'enseignement de l'invention porte sur une installation et une maintenance améliorées d'un palier de roue équipé du système de capteur. Pour cela, le support de capteur (42) est conçu pour se monter sur le couvercle (66) et sur la bague extérieure (61) du palier de roue. L'invention concerne en outre un palier de roue équipé d'un tel système de capteur.
PCT/DE2013/200110 2012-08-14 2013-08-09 Système de capteur comprenant un support de capteur et un capuchon d'étanchéité, et système de roulement de moyeu de roue équipé d'un transmetteur de signal et du système de capteur WO2014026684A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102012016080.1 2012-08-14
DE102012016080 2012-08-14
DE102013215620.0 2013-08-08
DE102013215620.0A DE102013215620A1 (de) 2012-08-14 2013-08-08 Sensoranordnung und Radlager

Publications (1)

Publication Number Publication Date
WO2014026684A1 true WO2014026684A1 (fr) 2014-02-20

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PCT/DE2013/200110 WO2014026684A1 (fr) 2012-08-14 2013-08-09 Système de capteur comprenant un support de capteur et un capuchon d'étanchéité, et système de roulement de moyeu de roue équipé d'un transmetteur de signal et du système de capteur

Country Status (2)

Country Link
DE (1) DE102013215620A1 (fr)
WO (1) WO2014026684A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20154007A1 (it) * 2015-09-29 2017-03-29 Skf Ab Dispositivo di tenuta per un gruppo cuscinetto-mozzo.
US9784319B2 (en) 2014-02-28 2017-10-10 Nsk Ltd. Rolling bearing unit with rotational speed detecting device
JP2019523678A (ja) * 2016-06-06 2019-08-29 トゥーセンス，インコーポレイテッド 血液透析を受けている患者を監視するための生理学的監視装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014204334A1 (de) * 2014-03-10 2015-09-10 Schaeffler Technologies AG & Co. KG Radlagereinheit
DE102014212107A1 (de) 2014-06-24 2015-12-24 Schaeffler Technologies AG & Co. KG Wälzkörper und Wälzlager
DE102015210692B4 (de) * 2015-06-11 2021-09-09 Schaeffler Technologies AG & Co. KG Radlagereinheit

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5380103A (en) * 1993-10-25 1995-01-10 General Motors Corporation Self tightening venting end cap for vehicle wheel bearing
JPH09166136A (ja) * 1995-12-13 1997-06-24 Nippon Seiko Kk 回転速度検出装置付転がり軸受ユニット
DE19735978A1 (de) 1997-08-19 1999-02-25 Fag Automobiltechnik Ag Radlager mit Drehzahlsensor für Automobile
JP2006170624A (ja) * 2004-12-10 2006-06-29 Ntn Corp ワイヤレスセンサ付き軸受
EP1873508A2 (fr) * 2006-06-30 2008-01-02 JTEKT Corporation Ensemble de roulement pour roue
DE102006033931A1 (de) * 2006-07-21 2008-01-24 Robert Bosch Gmbh Vorrichtung zur Messung von Drehbewegungen eines Radlagers
US20080144985A1 (en) * 2006-12-15 2008-06-19 The Timken Company Wheel End With Monitoring Capabilities
JP2010078018A (ja) * 2008-09-25 2010-04-08 Nsk Ltd 回転速度検出装置付転がり軸受ユニット
JP2010180912A (ja) * 2009-02-03 2010-08-19 Nsk Ltd 回転速度検出装置付転がり軸受ユニット
JP2012105647A (ja) 2011-11-30 2012-06-07 Husqvarna Ab チェーンソー装置
JP2012106547A (ja) * 2010-11-16 2012-06-07 Ntn Corp 回転速度検出装置付き車輪用軸受装置
WO2013141319A1 (fr) * 2012-03-21 2013-09-26 Ntn株式会社 Roulement de roue

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5380103A (en) * 1993-10-25 1995-01-10 General Motors Corporation Self tightening venting end cap for vehicle wheel bearing
JPH09166136A (ja) * 1995-12-13 1997-06-24 Nippon Seiko Kk 回転速度検出装置付転がり軸受ユニット
DE19735978A1 (de) 1997-08-19 1999-02-25 Fag Automobiltechnik Ag Radlager mit Drehzahlsensor für Automobile
JP2006170624A (ja) * 2004-12-10 2006-06-29 Ntn Corp ワイヤレスセンサ付き軸受
EP1873508A2 (fr) * 2006-06-30 2008-01-02 JTEKT Corporation Ensemble de roulement pour roue
DE102006033931A1 (de) * 2006-07-21 2008-01-24 Robert Bosch Gmbh Vorrichtung zur Messung von Drehbewegungen eines Radlagers
US20080144985A1 (en) * 2006-12-15 2008-06-19 The Timken Company Wheel End With Monitoring Capabilities
JP2010078018A (ja) * 2008-09-25 2010-04-08 Nsk Ltd 回転速度検出装置付転がり軸受ユニット
JP2010180912A (ja) * 2009-02-03 2010-08-19 Nsk Ltd 回転速度検出装置付転がり軸受ユニット
JP2012106547A (ja) * 2010-11-16 2012-06-07 Ntn Corp 回転速度検出装置付き車輪用軸受装置
JP2012105647A (ja) 2011-11-30 2012-06-07 Husqvarna Ab チェーンソー装置
WO2013141319A1 (fr) * 2012-03-21 2013-09-26 Ntn株式会社 Roulement de roue

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9784319B2 (en) 2014-02-28 2017-10-10 Nsk Ltd. Rolling bearing unit with rotational speed detecting device
ITUB20154007A1 (it) * 2015-09-29 2017-03-29 Skf Ab Dispositivo di tenuta per un gruppo cuscinetto-mozzo.
US9914325B2 (en) 2015-09-29 2018-03-13 Aktiebolaget Skf Sealing device for a hub bearing assembly
JP2019523678A (ja) * 2016-06-06 2019-08-29 トゥーセンス，インコーポレイテッド 血液透析を受けている患者を監視するための生理学的監視装置

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