WO2006088012A1 - 回転速度検出装置付き車輪用軸受装置およびその組立方法 - Google Patents
回転速度検出装置付き車輪用軸受装置およびその組立方法 Download PDFInfo
- Publication number
- WO2006088012A1 WO2006088012A1 PCT/JP2006/302510 JP2006302510W WO2006088012A1 WO 2006088012 A1 WO2006088012 A1 WO 2006088012A1 JP 2006302510 W JP2006302510 W JP 2006302510W WO 2006088012 A1 WO2006088012 A1 WO 2006088012A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wheel
- rotational speed
- seal
- fitting
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0005—Hubs with ball bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0015—Hubs for driven wheels
- B60B27/0036—Hubs for driven wheels comprising homokinetic joints
- B60B27/0042—Hubs for driven wheels comprising homokinetic joints characterised by the fixation of the homokinetic joint to the hub
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0073—Hubs characterised by sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0094—Hubs one or more of the bearing races are formed by the hub
-
- 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
- F16C19/187—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 all four raceways integrated on parts other than race rings, e.g. fourth 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
-
- 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- 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
-
- 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
-
- 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 present invention relates to a wheel bearing device equipped with a rotational speed detection device and a method of assembling the same, which rotatably supports a wheel of an automobile or the like and incorporates a rotational speed detection device for detecting the rotational speed of the wheel. It is.
- a rotational speed detection device with a built-in rotational speed detection device that rotatably supports an automobile wheel with respect to a suspension device and controls an anti-lock brake system (ABS) to detect the rotational speed of the wheel.
- a bearing device for a wheel with a wheel is generally known.
- a sealing device is provided between an inner member and an outer member that are in rolling contact with a rolling element, and a magnetic encoder in which magnetic poles are alternately arranged in the circumferential direction is provided as the sealing device.
- the rotation speed detection device is configured by a magnetic encoder and a rotation speed sensor that is disposed facing the magnetic encoder and detects a change in magnetic pole of the magnetic encoder accompanying the rotation of the wheel.
- a wheel bearing device for rotatably supporting a wheel of an automobile or the like is a so-called first generation structure in which a double-row rolling bearing with a seal is used alone.
- the third generation has evolved to the second generation with an integrated mounting flange, and the inner surface of one of the double row rolling bearings is integrally formed on the outer periphery of the hub wheel with the wheel mounting flange.
- a constant velocity universal joint is integrated with the hub wheel, and the other inner rolling surface of the double row rolling bearing is integrally formed on the outer periphery of the outer joint member constituting the constant velocity universal joint.
- This wheel bearing device includes a constant velocity universal joint 51 integrally having a hollow shaft portion 52, a hub wheel 53 attached to the outer periphery of the shaft portion 52 of the constant velocity universal joint 51, a shaft Double row rolling bearings 54 mounted from the outer periphery of the part 52 to the outer periphery of the hub wheel 53 and a seal provided on the outer periphery of the constant velocity universal joint 51 to seal the inboard side of the double row rolling bearing 54 A member 55 and a rotational speed detection device 56 mounted on the outer peripheral region on the inboard side of the double row rolling bearing 54 in the constant velocity universal joint 51 are provided.
- the side closer to the outside of the vehicle when assembled to the vehicle is referred to as the outboard side (right side in the figure), and the side closer to the center is referred to as the import side (left side in the figure).
- the constant velocity universal joint 51 includes a bowl-shaped outer joint member 57, a joint inner ring (not shown), a torque transmission ball, a cage, and the like.
- the outer joint member 57 is integrally formed with a shaft portion 52 on the small diameter side, and a spline 58 that is fitted to the hub wheel 54 is formed on the outer periphery of the shaft portion 52.
- the outer peripheral surface of the outer joint member 57 has a cylindrical shape slightly smaller in diameter than the outer peripheral surface of the outer member 59 of the double row rolling bearing 54, and an inner rolling surface 57a is formed.
- an annular recess 60 is formed on the outer peripheral surface of the outer joint member 57 at the boundary portion between the outer joint member 57 and the shaft portion 52 so as to open to the double row rolling bearing 54 side.
- the hub wheel 53 is formed in a cylindrical hollow structure, and a wheel mounting flange 61 extending radially outward is formed in a body at an axially intermediate portion of the outer peripheral surface thereof.
- a spline 63 is formed in a required region of the hollow hole 62, and an inner rolling surface 53a of the double row rolling bearing 54 is formed on the inboard side of the outer peripheral surface of the wheel mounting flange 61.
- the double-row rolling bearing 54 also serves as a double-row anguillare ball bearing, and has a body mounting flange 59b integrally formed on the outer periphery, and an outer surface in which the double-row outer rolling surfaces 59a and 59a are formed on the inner periphery.
- the inner member 64 refers to the outer joint member 57 and the hub wheel 53.
- a seal member 67 is attached to the outboard side of the outer member 59.
- the constant velocity universal joint 51, the hub wheel 53, and the double row rolling bearing 54 are assembled with the seal member 67 and the ball 66 on the outboard side mounted between the outer member 59 and the hub wheel 53.
- the hub wheel 53 is spline-fitted to the outer periphery of the shaft portion 52 of the constant velocity universal joint 51.
- the end portion of the shaft portion 52 on the side of the board is bent outward in the radial direction and crimped to the end surface of the hub wheel 53 on the outboard side.
- the constant velocity universal joint 51 and the hub wheel 53 are integrally coupled.
- the rotational speed detection device 56 includes a pulsar ring 69 and a rotational speed sensor 70.
- the norsaling 69 is formed in a disk shape, and is a permanent magnet force such as a rubber magnet mixed with ferrite powder.
- the N pole and the S pole are alternately magnetized at equal intervals in the circumferential direction.
- a support ring 71 having an L-shaped cross section is press-fitted into the outer periphery of the shaft portion 52 of the constant velocity universal joint 51, and the norsa ring 69 is fixed to the support ring 71.
- the cored bar 72 constituting the inboard seal member 55 of the double row rolling bearing 54 extends in the axial direction and covers the annular recess 60.
- a labyrinth gap S having a relatively long path in the axial direction is formed between the core metal 72 and the outer joint member 57.
- the cored bar 72 is formed with an elongated elliptical opening in the circumferential direction, and a rotational speed sensor 70 is inserted therein.
- the rotational speed sensor 70 is arranged opposite to the pulsar ring 69, and a magnetic detecting element such as a Hall element or a magnetoresistive element that changes the output according to the flow direction of magnetic flux, and a waveform shaping circuit that adjusts the output waveform of the magnetic detecting element. It is an active sensor composed of an IC with a built-in road.
- a fixing hole 73a is formed in the knuckle 73 constituting the suspension device so as to penetrate in the radial direction, and a rotational speed sensor 70 is screwed into the fixing hole 73a.
- the rotation speed sensor 70 detects a change in the magnetic flux of the pulsar ring 69 and detects the rotation speed of the wheel.
- the core bar 72 of the seal member 55 in the double row rolling bearing 54 is extended in the axial direction, the rotational speed sensor 70 screwed to the knuckle 73 is inserted, and the core bar 7 Since the annular recess 60 is covered by 2, foreign matter such as muddy water can be prevented from entering the annular recess 60.
- Patent Document 1 Japanese Patent Laid-Open No. 2003-301854 Disclosure of the invention
- the core bar 72 of the seal member 55 is extended in the axial direction, and the rotational speed sensor 70 screwed to the knuckle 73 is inserted therethrough.
- the annular recess 60 is covered, it is possible to prevent foreign matters such as muddy water from entering the annular recess 60.
- the detection part is sealed by the labyrinth gap S between the metal core 72 and the outer joint member 57, foreign matter such as magnetic powder can be prevented even if the detection part can be prevented from falling directly on the detection part. It is not enough as a structure that completely prevents the invasion.
- the present invention has been made in view of such circumstances, and is intended to be lightweight and compact, to prevent foreign matter from entering the detection unit, and to improve the assemblability and reduce the cost. It is an object of the present invention to provide a wheel bearing device with a rotational speed detection device and an assembling method thereof.
- the invention described in claim 1 is a wheel bearing device in which a hub wheel, a double row rolling bearing, and a constant velocity universal joint are unitized.
- An outer member in which the double row rolling bearing has a vehicle body mounting flange integrally attached to a knuckle constituting a suspension device on the outer periphery, and an outer rolling surface of the double row is formed on the inner periphery;
- a wheel mounting flange for mounting a wheel at one end is integrally formed, one inner rolling surface facing the outer rolling surface of the double row on the outer periphery, and a small diameter extending in the axial direction from the inner rolling surface.
- the other inner rolling surface that is fitted into the hub ring and the hub ring formed with a stepped portion and faces the outer rolling surface of the double row on the outer periphery, and from the inner rolling surface in the axial direction An inner member composed of an outer joint member of the constant velocity universal joint with an extending shaft portion formed integrally; And rolling elements of the double row rollably contained between the respective rolling surfaces of the outer member and the inner member A seal mounted in an annular space formed between the outer member and the outer joint member, a magnetic encoder fitted on the outer joint member, and a predetermined air gap in the magnetic encoder And a rotational speed detecting device having a rotational speed sensor mounted on the end of the outer member, and plastically deforming the shaft portion of the outer joint member and tightening it on the hub wheel.
- the rotational speed detection device is an annular steel plate that is externally fitted to an end portion of the outer member.
- a sensor holder comprising a fitting part integrally molded with a synthetic resin and joined to the fitting ring, and a holding part in which the rotational speed sensor is embedded.
- the wheel bearing device with a rotation speed detection device has a fourth generation structure of an inner ring rotation type in which a hub ring, a double row rolling bearing, and a constant velocity universal joint are unitized.
- a double-row rolling bearing has a body mounting flange integrally attached to the knuckle that forms the suspension device on the outer periphery, an outer member having a double-row outer rolling surface formed on the inner periphery, and one end
- a wheel mounting flange for mounting a wheel is integrally formed, and one inner rolling surface facing the outer rolling surface of the double row on the outer periphery, and a small-diameter step portion extending in the axial direction from the inner rolling surface.
- the formed hub wheel, the other inner rolling surface that is fitted in the hub wheel and faces the outer surface of the double row on the outer periphery, and the shaft portion extending in the axial direction from the inner rolling surface are integrated.
- a magnetic encoder externally fitted to the outer joint member, and a rotational speed detection device having a rotational speed sensor facing the magnetic encoder through a predetermined air gap and attached to the end of the outer member
- a rotational speed detection device is formed by joining a ring-shaped steel plate fitting ring externally fitted to the end of the outer member, and molding the synthetic ring integrally with the fitting ring.
- a sensor holder including a holding portion in which a rotation speed sensor is embedded, and an inboard side seal among the seals is interposed between the sensor holder and the outer joint member. Since the maximum outer diameter of the constant velocity universal joint is set to be smaller than the inner diameter of the knuckle, it is lightweight and compact, while preventing foreign matter from entering the detection area and improving the ease of assembly. It is possible to provide a wheel bearing device with a rotational speed detection device that achieves cost.
- the fitting ring includes a cylindrical fitting portion that is press-fitted into the outer periphery of the outer member, and extends radially inward from the fitting portion.
- the flange portion is in close contact with the end surface of the outer member, and a cylindrical portion extending in the axial direction from the flange portion.
- the holding portion is formed while projecting radially inward from the cylindrical portion. Since the above-mentioned seal is arranged on the inboard side of the holding part, it is possible to reliably prevent foreign matter such as external force magnetic powder from entering between the magnetic encoder and the detection part of the rotation speed sensor. .
- the magnetic encoder may be disposed on the outboard side of the holding portion, and in the invention described in claim 4, The magnetic encoder may be integrated with the seal.
- the invention according to claim 5 of the present invention is the method for assembling the wheel bearing device with a rotational speed detection device according to any one of claims 1 to 4, wherein the outer joint member A step in which the seal is press-fitted into the outer periphery, a step in which the sensor holder is fitted on the end of the outer member, a step in which the outer joint member is fitted in the hub wheel, and the outer joint member. A step of plastically deforming the shaft portion of the shaft and tightening it on the hub wheel, and after the seal press-fitting step, the sensor holder is guided in advance by a joint press-fitting jig and fitted in the position of the seal. At the same time as the outer joint member is inserted into the hub wheel, the sensor holder is mounted on the outer member via the joint press-fitting jig.
- a wheel bearing device with a rotational speed detection device is a wheel bearing device in which a hub wheel, a double row rolling bearing, and a constant velocity universal joint are unitized.
- a force bearing is integrated with a body mounting flange for mounting on a knuckle that constitutes a suspension system on the outer periphery, an outer member having a double row outer raceway formed on the inner periphery, and one end.
- a wheel mounting flange for mounting a wheel is integrally formed, and one inner rolling surface facing the outer rolling surface of the double row is formed on the outer periphery, and a small diameter step portion extending in the axial direction from the inner rolling surface is formed.
- the other inner rolling surface facing the double row outer rolling surface and the shaft portion extending in the axial direction from the inner rolling surface are integrated with each other.
- An inner member composed of an outer joint member of the formed constant velocity universal joint, A double row rolling element accommodated between the rolling surfaces of the member and the outer member, and a seal mounted in an annular space formed between the outer member and the outer joint member
- a rotational speed detection device comprising: a magnetic encoder externally fitted to the outer joint member; and a rotational speed sensor facing the magnetic encoder via a predetermined air gap and attached to an end of the outer member.
- the rotational speed detection device is joined to the fitting ring made of an annular steel plate fitted on the end of the outer member, and the fitting ring is integrally molded with synthetic resin,
- the fitting ring is integrally molded with synthetic resin,
- a seal on the inboard side of the seal is interposed between the sensor holder and the outer joint member, and a maximum outer diameter of the sensor holder and the constant velocity self-joint. Is set to be smaller than the inner diameter of the knuckle, thus reducing the cost by reducing the cost by reducing the size and reducing the intrusion of foreign matter into the detector.
- a wheel bearing device with a detection device can be provided.
- An assembly method for a wheel bearing device with a rotational speed detection device is the method for assembling the wheel bearing device with a rotational speed detection device according to any one of claims 1 to 4.
- the hub ring by plastically deforming the shaft portion of the outer joint member
- the sensor holder is guided in advance by a joint press-fitting jig and inserted into the position of the seal, and the outer joint member is fitted into the hub ring.
- the sensor holder is attached to the outer member via the joint press-fitting jig, so that the axle module can be assembled into a knuckle, improving disassembly and assembly during repair.
- the shaft part of the outer joint member is fitted inside the hub wheel, and at the same time, the sensor holder guided by the press-fitting jig is attached to the end of the outer member on the inboard side, reducing the assembly process. As a result, the work can be simplified and the cost can be reduced.
- the outer joint of the constant velocity universal joint is integrally formed with the other inner rolling surface facing the outer rolling surface of the double row and a hollow shaft portion extending in the axial direction from the inner rolling surface.
- Each of the inner member and the outer member Double-row rolling elements accommodated between the running surfaces so as to roll freely, a seal mounted in an annular space formed between the outer member and the outer joint member, and an outer fit to the outer joint member And a rotation speed detection device having a rotation speed sensor mounted on an end portion of the outer member so as to face the magnetic encoder via a predetermined air gap.
- a sensor holder comprising a fitting ring made of an annular steel plate and a holding part in which the rotational speed sensor is embedded and integrally molded with a synthetic resin.
- FIG. 1 is a longitudinal sectional view showing a first embodiment of a wheel bearing device with a rotational speed detection device according to the present invention
- FIG. 2 is an enlarged view of a main part of FIG. 1
- FIG. 3 is a cross-sectional view of FIG. FIG.
- the side closer to the outside of the vehicle in the state assembled to the vehicle is the outboard side (left side of the drawing), and the side closer to the center is the inboard side (right side of the drawing).
- This wheel bearing device with a rotational speed detection device is for driving wheels, and the hub wheel 1, the double row rolling bearing 2 and the constant velocity universal joint 3 are unitized, so-called fourth generation. It has a configuration that The double-row rolling bearing 2 includes an outer member 4, an inner member 5, and double-row rolling elements (balls) 6 and 6.
- the inner member 5 includes a hub wheel 1 and an outer joint member 14 fitted in the hub wheel 1.
- the outer member 4 is made of medium carbon steel containing 0.40-0.80 wt% of carbon such as S53C, and integrally has a vehicle body mounting flange 4b for attaching to the knuckle N on the outer periphery, and on the inner periphery.
- Double row outer rolling surfaces 4a and 4a are formed.
- the double row outer rolling surfaces 4a, 4a are hardened by induction hardening to a surface hardness in the range of 58 to 64HRC.
- the hub wheel 1 is made of medium carbon steel containing 0.40 to 0.80 wt% of carbon such as S53C, and a wheel mounting flange for mounting a wheel (not shown) to an end on the outboard side. 7, and a plurality of hub bolts 8 are implanted in the circumferential direction of the wheel mounting flange 7. Further, on the outer periphery of the hub wheel 1, the inner rolling surface la on one side (outboard side) facing the outer rolling surfaces 4a, 4a of the double row, and the inner rolling surface la in the axial direction. An extending cylindrical small diameter step lb is formed.
- the surface hardness is set to a range of 58 to 64 HRC by induction hardening from the seal land portion where the seal 10 on the outboard side is in sliding contact to the inner rolling surface la and the small diameter step portion lb.
- the seal land portion that is the base of the wheel mounting flange 7 has sufficient mechanical strength against the rotational bending load that is applied to the wheel mounting flange 7 by the force that improves wear resistance. The durability of the hub wheel 1 is improved.
- the constant velocity universal joint 3 includes an outer joint member 14, a joint inner ring 15, a cage 16, and torque transmission. It becomes power with ball 17.
- the outer joint member 14 is made of medium carbon steel containing carbon 0.40-0.80 wt% such as S53C, and has a cup-shaped mouth portion 18, a shoulder portion 19 that forms the bottom portion of the mouth portion 18, and the shoulder portion 19.
- a cylindrical shaft portion 20 extending in the axial direction from is formed in the body.
- the shaft portion 20 includes an inlet portion 20a that is cylindrically fitted to the small-diameter step portion lb of the hub wheel 1 through a predetermined radial clearance, and a fitting portion 20b that is formed at an end portion of the inrow portion 20a. ing.
- a curved track groove 18 a extending in the axial direction is formed on the inner periphery of the mouse portion 18, and a track groove 15 a corresponding to the track groove 18 a is formed on the outer periphery of the joint inner ring 15. Further, on the outer periphery of the shoulder portion 19, the other (inboard side) inner rolling surface 14a facing the double row outer rolling surfaces 4a, 4a is formed.
- the hardened layer has a surface hardness of 58 to 64HRC by induction hardening from the outer periphery where the track grooves 18a and 15a and the inboard side seal 11 are fitted to the inner rolling surface 14a and the shaft portion 20. Is formed.
- the fitting portion 20b is left as it is after forging.
- Double row rolling elements 6, 6 are accommodated and held between the double row outer rolling surfaces 4a, 4a of the outer member 4 and the double row inner rolling surfaces la, 14a opposite to these. It is held in a rollable manner by vessels 9 and 9. Seals 10 and 11 are attached to the end of the outer member 4 to prevent leakage of lubricating grease sealed inside the bearing and intrusion of rainwater and dust into the external force bearing. .
- An end cap 13 a is attached to the hollow shaft portion 20 to prevent the grease sealed in the mouse portion 18 from leaking to the shaft portion 20.
- an end cap 13b is also attached to the open end of the hub wheel 1 to prevent rainwater or the like from entering the plastic joint and causing the portion to start.
- the force illustrated as a double-row rolling bearing 2 and a double-row anguilla ball bearing using a ball as the rolling element 6 is not limited to this.
- a double row or a double row using a roller, Roller bearings may be acceptable.
- an uneven portion 12 is formed on the inner periphery of the hub wheel 1, and a hardened layer is formed with a surface hardness in the range of 54 to 64HRC by heat treatment.
- the concavo-convex portion 12 is formed in an iris knurl shape, and is a cross groove formed by a plurality of annular grooves formed independently by turning or the like and a plurality of axial grooves formed by broaching or the like substantially orthogonal to each other. Alternatively, a cross groove formed by spiral grooves inclined with respect to each other is used.
- the tip of the concavo-convex portion 12 is formed in a spire shape such as a triangular shape.
- the stepped portion 19a of the shoulder portion 19 of the outer joint member 14 is abutted against the end surface lc of the small-diameter stepped portion lb of the hub wheel 1, and the shaft portion 20 is internally fitted to the hub wheel 1 until the butt state is reached. Is done. As will be described later, the fitting portion 20b of the shaft portion 20 is expanded in diameter so as to bite into the uneven portion 12 of the hub wheel 1, and the hub wheel 1 and the outer joint member 14 are integrally plastically coupled. .
- the rotational speed detection device 21 is disposed at the end of the outer member 4 on the inboard side. As shown in FIG. 2 in an enlarged manner, the rotational speed detection device 21 includes a sensor holder 22 that is externally fitted to the end of the outer member 4 on the inboard side, and a gap between the sensor holder 22 and the outer joint member 14. An inboard side seal 11 is provided, and a magnetic encoder 23 is disposed opposite to the sensor holder 22.
- the sensor holder 22 includes a fitting ring 24 and a holding portion 25 coupled to the fitting ring 24.
- the fitting ring 24 includes a cylindrical fitting portion 24a that is press-fitted into the outer periphery of the outer member 4, a flange portion 24b that extends radially inward from the fitting portion 24a, and an axial direction from the flange portion 24b.
- the tube portion 24c extends and is formed in an annular shape as a whole.
- the maximum outer diameter of the sensor holder 22 is set to be smaller than the pilot portion (inner diameter of the knuckle N) 4c of the outer member 4 fitted into the knuckle N. That is, the end portion of the outer member 4 is formed with a small diameter, and the cylindrical portion 24a of the fitting ring 24 is press-fitted into this end portion.
- the fitting ring 24 is formed of a corrosion resistant stainless steel plate or the like by a press cage.
- the fitting ring 24 is formed of a non-magnetic steel plate (for example, austenitic stainless steel plate CFIS standard SUS304) so as not to adversely affect the sensing performance of the rotational speed sensor 26 described later. Preferably it is done. Thereby, durability can be maintained over a long period of time, and detection accuracy can be maintained with high accuracy.
- a perforation 27 is formed in the cylindrical portion 24c, and a part of the perforation 27 protrudes radially inward from the perforation 27, and the holding portion 25 is molded into a body.
- seal 11 is fitted ring 2
- the sensor holder 22 is disposed between the outer cylindrical member 24c and the outer joint member 14 while the flange 24b of the fitting ring 24 is in close contact with the end surface of the outer member 4. It is press-fitted and fixed to the end.
- the force illustrated as an example in which the holding portion 25 is integrally molded with the fitting ring 24 is not limited to this, and although not illustrated, a portion of the holding portion protrudes radially inward from the perforation. In this way, it may be attached to the fitting ring, or the holding part may be formed in an annular shape.
- the holding part 25 is made of a synthetic resin such as PA (polyamide) 66 and has a substantially L-shaped cross section.
- the holding portion 25 is embedded with a rotation speed sensor 26 facing a magnetic encoder 23 described later via a predetermined axial clearance (air gap).
- the rotational speed sensor 26 incorporates a magnetic detecting element such as a Hall element, a magnetoresistive element (MR element), etc. that changes its characteristics according to the flow direction of magnetic flux, and a wave forming circuit that adjusts the output waveform of this magnetic detecting element. It consists of IC.
- a terminal Ha for taking out an output signal from the rotational speed sensor 26 is raised outward in the radial direction, and is led out in the circumferential direction along the end portion of the outer member 4, with a lead-out portion H They are connected via Hb (see Fig. 3).
- a rotation speed sensor 26, a terminal Ha, and a lead-out portion Hb connected to the noise H are molded integrally with the holding portion 25 with a synthetic resin.
- the holding part 25 can be made compact.
- the inboard-side seal 11 includes annular first and second seals 28 and 29 having a substantially L-shaped cross section, and a cylindrical portion 24c of the fitting ring 24 in the sensor holder 22.
- the outer joint members 14 are respectively fitted on the outer circumferences of the shoulders 19 and arranged so as to face each other.
- the first seal 28 includes a core 30 made of a cylindrical portion 30a fitted inside the sensor holder 22, a vertical plate 30b having one end of the cylindrical portion 30a extending radially inward, and the core 30
- the seal member 31 is joined to the seal member 31.
- the seal member 31 is made of an elastic member such as rubber, and has a pair of side lips 31a, 31b and a grease lip 31c, and is integrated with the core metal 30. It is vulcanized and bonded.
- the second seal (slinger) 29 is made of austenitic stainless steel (JIS standard SUS304, etc.) or anti-corrosive cold rolled steel (CFIS standard SPCC, etc.). It has a cylindrical portion 29a that is formed by press working and is externally fitted to the outer joint member 14, and a standing plate portion 29b that extends radially outward from the cylindrical portion 29a.
- the pair of side lips 31 a and 31 b are in sliding contact with the standing plate portion 29 b of the second seal 29, and the dolly slip 31 c is in sliding contact with the cylindrical portion 29 a of the second seal 29.
- the tip of the upright plate portion 29b of the second seal 29 is opposed to the cylindrical portion 30a of the first seal 28 via a slight radial clearance to form a labyrinth seal 32. Thereby, the sealing performance of the seal 11 on the inboard side can be further improved.
- a base 33 is disposed on the opposite side of the seal 11 across the holding portion 25 of the sensor holder 22, that is, on the outboard side.
- This base 33 is made by pressing ferromagnetic steel (for example, ferritic stainless steel (CFIS standard SUS430), etc.) or cold-rolled steel (CFIS standard SPCC), etc.
- ferromagnetic steel for example, ferritic stainless steel (CFIS standard SUS430), etc.
- CFIS standard SPCC cold-rolled steel
- a magnetic encoder 23 in which a magnetic powder such as ferrite is mixed in an elastomer such as rubber is vulcanized and bonded to the side surface on the inboard side of the standing plate portion 33b.
- the magnetic encoder 23 is composed of a magnetic encoder N and S alternately magnetized in the circumferential direction, and constitutes a rotary encoder for detecting wheel rotation speed.
- the magnetic encoder 23 is provided on the outboard side of the rotational speed sensor 26 and the seal 11 is provided on the inboard side with the holding unit 25 in which the rotational speed sensor 26 is embedded. Even during actual running, which is a harsh environment, leakage of grease sealed inside the bearing and external force such as magnetic powder between the magnetic encoder 23 and the detection part of the rotation speed sensor 26 It is possible to reliably prevent foreign matter from entering. Therefore, the reliability of detecting the rotational speed of the wheel can be greatly improved.
- the rotational speed detection device 21 can be compacted, and the surroundings of the rotational speed sensor 26 can be simplified, further improving the assembly workability.
- the rotational speed detection device As the rotational speed detection device, the magnetic encoder 23 and the Hall element are used. Although an active type rotational speed detection device configured with a rotational speed sensor 26 that also has a magnetic detection element force such as a child is illustrated, the rotational speed detection device according to the present invention is not limited to this, for example, a magnetic encoder and a magnet It may be a passive type with an isotropic coil coil wound around.
- the side surface 7a on the outboard side of the wheel mounting flange 7 of the hub wheel 1 is brought into contact with the pedestal 34, and the hub wheel 1 and the double row rolling bearing 2 are placed vertically.
- the shoulder portion 19a of the outer joint member 14 on the end surface lc of the small-diameter stepped portion lb of the hub wheel 1 is brought into contact with the hub ring 1 until the shaft portion 20 of the outer joint member 14 is in contact with the end 20 Is fitted.
- the rotational speed detection device 21 guided by the press-fitting jig P is attached to the end of the outer member 4 on the inboard side.
- a diameter expanding jig (not shown) such as a mandrel is pushed into the inner diameter of the fitting portion 20b in the shaft portion 20 to increase the diameter of the fitting portion 20b.
- the hub wheel 1 and the outer joint member 14 are integrally plastically joined by caulking into the portion 12 and caulking.
- the shaft portion of the outer joint member is fitted inside the hub wheel, and It is also possible to form a crimped portion by plastically deforming the end of the shaft portion radially outward, and to fix both members in the axial direction with this crimped portion.
- the maximum outer diameter of the sensor holder 22 constituting the rotational speed detection device 21 and the maximum outer diameter of the constant velocity universal joint 3 including the boot are not shown, and the pilot portion 4c of the outer member 4 is not shown.
- the axle module consisting of the wheel bearing device, the drive shaft connected to it, and the constant velocity universal joint on the inboard side can be assembled into the knuckle N. Disassembly ⁇ Assembly is improved and hub ring 1
- the rotational speed detection device 21 guided by the press-fitting jig P is attached to the end of the outer member 4 on the inboard side. Therefore, the work can be simplified and the cost can be reduced.
- FIG. 6 is a longitudinal sectional view showing a second embodiment of the wheel bearing device with a rotational speed detection device according to the present invention
- FIG. 7 is an enlarged view of a main part of FIG. Note that this embodiment is basically different from the above-described embodiment only in the configuration of the rotational speed detection device, and other parts that are the same, the same parts, or the same function are denoted by the same reference numerals and details thereof. The explanation is omitted.
- the rotational speed detection device 35 is arranged at the end of the outer member 4 on the inboard side. As shown in an enlarged view in FIG. 7, the rotational speed detection device 35 includes a sensor holder 36 fitted on the end of the outer member 4 on the inboard side, and a gap between the sensor holder 36 and the outer joint member 14. In-board side first and second seals 37 and 38 are provided, and a magnetic encoder 23 is disposed opposite to the sensor holder 36.
- the sensor holder 36 includes a fitting ring 24 and a holding portion 39 coupled to the fitting ring 24.
- the maximum outer diameter of the sensor holder 36 is set to be smaller than the pilot portion 4c of the outer member 4 fitted into the knuckle N.
- a hole 27 is formed in the cylindrical part 24c of the fitting ring 24, and a holding part 39 is molded by a body.
- the first and second seals 37 and 38 are respectively attached to the annular spaces formed by the cylindrical portion 24c of the fitting ring 24 and the outer joint member 14, and the flange portion of the fitting ring 24
- the sensor holder 36 is press-fitted and fixed to the end of the outer member 4 in a state where 24 b is in close contact with the end surface of the outer member 4.
- the holding part 39 is made of a synthetic resin such as PA66 and has a substantially T-shaped cross section.
- the holding portion 39 is embedded with a rotation speed sensor 26 that faces a magnetic encoder 23 (described later) via a predetermined axial clearance.
- a terminal Ha for taking out an output signal from the rotational speed sensor 26 is raised radially outward, and a noise (not shown) is introduced in the circumferential direction along the end of the outer member 4. ))
- a noise (not shown) is introduced in the circumferential direction along the end of the outer member 4. )
- the first seal 37 includes a cylindrical portion 40a that is fitted into the cylindrical portion 24c of the fitting ring 24, and a standing plate portion 40b that extends radially inward from the cylindrical portion 4Oa.
- a ring-shaped metal core 40 formed in a substantially L shape, and a pair of radial lips 41a and 41b that are integrally vulcanized and bonded to the metal core 40 and slidably contact the outer peripheral surface of the shoulder 19 of the outer joint member 14. And a sealing member 41 having the same.
- the second seal 38 includes a cylindrical portion 42a that is externally fitted to the shoulder portion 19 of the outer joint member 14, and a standing plate portion 42b that extends radially outward from the cylindrical portion 42a.
- a seal member having a core bar 42 having a substantially L-shaped cross section and a pair of radial lips 43a and 43b that are integrally vulcanized and bonded to the core bar 42 and slidably contact the cylindrical portion 24c of the fitting ring 24. 43 and power.
- a magnetic encoder 23 in which a magnetic substance powder such as ferrite is mixed in an elastomer such as rubber is vulcanized and bonded to the side surface of the core bar 42 on the outboard side.
- the first seal 37 is placed on the outboard side of the rotational speed sensor 26 and the magnetic side is placed on the inboard side with the holding part 39 embedded with the rotational speed sensor 26 interposed therebetween. Since the second seal 38 to which the air encoder 23 is joined is disposed, leakage of grease enclosed in the bearing and rotation with the magnetic encoder 23 are possible even during actual running, which is a severe environment. Foreign force such as magnetic powder can be reliably prevented from entering between the detection part of the speed sensor 26 and external force.
- the second seal 38 is press-fitted into the outer periphery of the shoulder 19 in the outer joint member 14. Then, the sensor holder 36 to which the first seal 37 is previously attached is attached to the end of the outer member 4 on the import side.
- the side surface 7a on the outboard side of the wheel mounting flange 7 of the hub wheel 1 is brought into contact with the pedestal 34, and the hub wheel 1 and the double row rolling bearing 2 are placed vertically,
- the shaft portion 20 of the outer joint member 14 is fitted into the ring 1 until the stepped portion 19a of the shoulder portion 19 of the outer joint member 14 comes into contact with the end surface lc of the small diameter step portion lb.
- the second seal 38 is inserted into the sensor holder 36.
- a diameter expansion jig such as a mandrel is pushed into the inner diameter of the fitting portion 20b in the shaft portion 20.
- the diameter of the fitting portion 20b is expanded, and the fitting portion 20b is bitten into the concave and convex portion 12 of the knob ring 1 and tightened, and the hub ring 1 and the outer joint member 14 are integrally plastically coupled.
- the sensor holder 36 to which the first seal 37 has been previously attached is attached to the second seal 38 in the same manner as in the above-described embodiment. It may be inserted into the position of the seal 38, and the shaft holder 20 of the outer joint member 14 may be fitted into the hub wheel 1 at the same time as the sensor holder 36 is attached to the end of the outer member 4! ,.
- the wheel bearing device with a rotational speed detection device has a built-in rotational speed detection device and can be applied to an inner ring rotation type fourth generation wheel bearing device.
- FIG. 1 is a longitudinal sectional view showing a first embodiment of a wheel bearing device with a rotational speed detection device according to the present invention.
- FIG. 3 is a cross-sectional side view taken along line III-III in FIG.
- FIG. 4 (a) to (c) are explanatory views showing an assembly process of the rotational speed detection device in FIG.
- FIG. 5 is an explanatory view showing a method for assembling the wheel bearing device with a rotation speed detection device in FIG. 1.
- FIG. 6 is a longitudinal sectional view showing a second embodiment of a wheel bearing device with a rotational speed detection device according to the present invention.
- FIG. 7 is an enlarged view of the main part.
- FIG. 8 is an explanatory view showing a method of assembling the wheel bearing device with a rotation speed detection device in FIG. 6.
- FIG. 9 is a longitudinal sectional view showing a conventional wheel bearing device. Explanation of symbols
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112006000412T DE112006000412T5 (de) | 2005-02-15 | 2006-02-14 | Radlagervorrichtung mit integrierter Raddrehzahldetektionsvorrichtung und Verfahren zu ihrer Montage |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005037110A JP4771357B2 (ja) | 2005-02-15 | 2005-02-15 | 回転速度検出装置付き車輪用軸受装置の組立方法 |
| JP2005-037110 | 2005-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006088012A1 true WO2006088012A1 (ja) | 2006-08-24 |
Family
ID=36916418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/302510 Ceased WO2006088012A1 (ja) | 2005-02-15 | 2006-02-14 | 回転速度検出装置付き車輪用軸受装置およびその組立方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7731427B2 (ja) |
| JP (1) | JP4771357B2 (ja) |
| DE (1) | DE112006000412T5 (ja) |
| WO (1) | WO2006088012A1 (ja) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008035464A1 (en) * | 2006-09-22 | 2008-03-27 | Ntn Corporation | Rotation detector, wheel bearing equipped therewith and process for manufacturing the same |
| JP2008096380A (ja) * | 2006-10-16 | 2008-04-24 | Ntn Corp | 回転検出装置およびその製造方法 |
| JP2008102122A (ja) * | 2006-09-22 | 2008-05-01 | Ntn Corp | 回転検出装置および回転検出装置付き車輪用軸受 |
| JP2008157796A (ja) * | 2006-12-25 | 2008-07-10 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
| JP2008157795A (ja) * | 2006-12-25 | 2008-07-10 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
| JP2008170302A (ja) * | 2007-01-12 | 2008-07-24 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
| EP1705089A3 (en) * | 2005-03-22 | 2009-07-08 | Ntn Corporation | A wheel bearing apparatus incorporated with a wheel speed detecting apparatus |
| JP2009162677A (ja) * | 2008-01-09 | 2009-07-23 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008056440A1 (en) * | 2006-11-08 | 2008-05-15 | Ntn Corporation | Support structure for suspension device |
| JP2008151727A (ja) | 2006-12-20 | 2008-07-03 | Ntn Corp | 回転速度検出装置及び回転速度検出装置付き車輪用軸受装置 |
| JP2008180617A (ja) * | 2007-01-25 | 2008-08-07 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
| JP2011043181A (ja) * | 2009-08-19 | 2011-03-03 | Jtekt Corp | 車輪用転がり軸受装置 |
| JP5376411B2 (ja) * | 2012-05-17 | 2013-12-25 | 株式会社ジェイテクト | 転がり軸受装置 |
| US20150125106A1 (en) * | 2013-11-07 | 2015-05-07 | Tsai-Chi Lin | Thrust nut for bearing against an axle |
| DE102014210732A1 (de) * | 2014-06-05 | 2015-12-17 | Schaeffler Technologies AG & Co. KG | Lageranordnung, umfassend einem optimierten Dichtring mit Dichtelement |
| RU2635366C1 (ru) * | 2016-10-11 | 2017-11-13 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации | Способ определения дальности и радиальной скорости цели в рлс с непрерывным излучением и устройство его реализующее |
| DE102018117314A1 (de) * | 2018-07-18 | 2020-01-23 | Schaeffler Technologies AG & Co. KG | Sensoreinheit und Lageranordnung mit einer derartigen Sensoreinheit |
| CN110848263A (zh) * | 2019-12-10 | 2020-02-28 | 南京冠盛汽配有限公司 | 一种第四代轮毂轴承单元及其装配方法 |
| DE102021122136A1 (de) * | 2021-08-26 | 2023-03-02 | Saf-Holland Gmbh | Dichtring, Nabenkappensystem, Radkappensystem und Fahrzeug |
| DE102022106014A1 (de) * | 2022-03-15 | 2023-09-21 | Schaeffler Technologies AG & Co. KG | Zweireihiges Axialschrägkugellager |
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| JP2003097577A (ja) * | 2001-09-27 | 2003-04-03 | Ntn Corp | 車輪用軸受装置 |
| JP2003269476A (ja) * | 2002-03-15 | 2003-09-25 | Nsk Ltd | エンコーダ付転がり軸受ユニット |
| JP2003301854A (ja) * | 2002-04-11 | 2003-10-24 | Koyo Seiko Co Ltd | 軸受装置 |
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| JPH095344A (ja) * | 1995-06-21 | 1997-01-10 | Nippon Seiko Kk | トーンホイール付転がり軸受ユニット |
| JPH1123600A (ja) * | 1997-07-04 | 1999-01-29 | Nippon Seiko Kk | 回転速度検出装置付転がり軸受ユニット |
| JP4298129B2 (ja) * | 2000-04-12 | 2009-07-15 | Ntn株式会社 | 車輪軸受装置 |
| JP2003254985A (ja) * | 2002-03-04 | 2003-09-10 | Nsk Ltd | 回転速度検出装置付転がり軸受ユニット |
| EP1342633B1 (en) * | 2002-03-08 | 2010-01-13 | Ntn Corporation | Rotation detecting device and anti-skid braking system using the same |
| DE10325584A1 (de) * | 2002-06-18 | 2004-03-11 | Ntn Corp. | Radlagervorrichtung |
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- 2005-02-15 JP JP2005037110A patent/JP4771357B2/ja not_active Expired - Fee Related
-
2006
- 2006-02-14 DE DE112006000412T patent/DE112006000412T5/de not_active Withdrawn
- 2006-02-14 WO PCT/JP2006/302510 patent/WO2006088012A1/ja not_active Ceased
- 2006-02-14 US US11/884,245 patent/US7731427B2/en not_active Expired - Fee Related
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| JP2003097577A (ja) * | 2001-09-27 | 2003-04-03 | Ntn Corp | 車輪用軸受装置 |
| JP2003269476A (ja) * | 2002-03-15 | 2003-09-25 | Nsk Ltd | エンコーダ付転がり軸受ユニット |
| JP2003301854A (ja) * | 2002-04-11 | 2003-10-24 | Koyo Seiko Co Ltd | 軸受装置 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1705089A3 (en) * | 2005-03-22 | 2009-07-08 | Ntn Corporation | A wheel bearing apparatus incorporated with a wheel speed detecting apparatus |
| WO2008035464A1 (en) * | 2006-09-22 | 2008-03-27 | Ntn Corporation | Rotation detector, wheel bearing equipped therewith and process for manufacturing the same |
| JP2008102122A (ja) * | 2006-09-22 | 2008-05-01 | Ntn Corp | 回転検出装置および回転検出装置付き車輪用軸受 |
| US9395389B2 (en) | 2006-09-22 | 2016-07-19 | Ntn Corporation | Rotation detector, wheel bearing equipped therewith and process for manufacturing the same |
| JP2008096380A (ja) * | 2006-10-16 | 2008-04-24 | Ntn Corp | 回転検出装置およびその製造方法 |
| JP2008157796A (ja) * | 2006-12-25 | 2008-07-10 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
| JP2008157795A (ja) * | 2006-12-25 | 2008-07-10 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
| JP2008170302A (ja) * | 2007-01-12 | 2008-07-24 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
| JP2009162677A (ja) * | 2008-01-09 | 2009-07-23 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080159675A1 (en) | 2008-07-03 |
| DE112006000412T5 (de) | 2008-05-15 |
| JP4771357B2 (ja) | 2011-09-14 |
| US7731427B2 (en) | 2010-06-08 |
| JP2006224692A (ja) | 2006-08-31 |
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