WO2008075464A1 - 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 - Google Patents
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 Download PDFInfo
- Publication number
- WO2008075464A1 WO2008075464A1 PCT/JP2007/001423 JP2007001423W WO2008075464A1 WO 2008075464 A1 WO2008075464 A1 WO 2008075464A1 JP 2007001423 W JP2007001423 W JP 2007001423W WO 2008075464 A1 WO2008075464 A1 WO 2008075464A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- encoder
- wheel
- ring
- rotation speed
- fitting ring
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 239000004519 grease Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 2
- 210000001217 buttock Anatomy 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/02—Housings
- G01P1/026—Housings for speed measuring devices, e.g. pulse generator
-
- 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
- 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 rotational speed detection device for detecting the rotational speed of a wheel of an automobile or the like, and a wheel bearing device with a rotational speed detection device that rotatably supports the wheel and incorporates the rotational speed detection device. It is about.
- a rotational speed with a built-in rotational speed detection device for detecting the rotational speed of the wheel to control the anti-lock brake system (ABS) while rotatably supporting the wheel of the automobile with respect to the suspension system.
- a wheel bearing device with a detection device is generally known.
- a seal device is provided between an inner member and an outer member that are in rolling contact with each other via a rolling element, and a magnetic encoder in which magnetic poles are alternately arranged in a circumferential direction is provided as the seal device.
- a magnetic encoder and a rotational speed sensor which is arranged facing the magnetic encoder and detects a magnetic pole change of the magnetic encoder associated with the rotation of the wheel.
- the rotational speed sensor is attached to the knuckle after the wheel bearing device is attached to the knuckle constituting the suspension device.
- a wheel bearing device with a rotation speed detection device with a rotation speed sensor built into the bearing has recently been developed. Has been proposed.
- Patent Document 1 shows an example of such a wheel bearing device with a rotational speed detection device.
- an encoder externally fitted to the inner ring, an annular sensor holder mounted on the end of the outer member facing the encoder, and an integral mold on the sensor holder
- the encoder comprises an annular magnetic encoder.
- a seal is disposed on the encoder side via a sensor holder. The seal is mounted on the sensor holder and the inner ring, respectively, and is composed of annular first and second seal plates disposed opposite to each other.
- a dedicated press-fitting jig is used when the sensor holder is attached to the wheel bearing device. More specifically, the metal fitting ring constituting the sensor holder is pressed and fixed to the outer member by a substantially C-shaped press-fitting jig.
- the press-fitting jig is approximately C-shaped because the holding part that holds the sensor is made of resin, so that a part of the annular press-fitting jig is not applied to that part. This is because it is cut out.
- Patent Document 1 Japanese Patent Laid-Open No. 2 0 0 _ 3 0 0 2 8 9
- the present invention has been made in view of such circumstances, and enables more accurate air gap management, improving the reliability of detecting the rotational speed of the wheel without causing airtightness failure.
- An object of the present invention is to provide a rotation speed detection device and a wheel bearing device with a rotation speed detection device that can be made to operate.
- the present invention includes an encoder and an annular sensor holder disposed so as to face the encoder, and the sensor holder is made of a steel plate and has an annular shape. And a holding part that is integrally molded with the fitting ring and has a rotational speed sensor facing the encoder, and a part of the outer peripheral surface of the holding part is cut out in a substantially semicircular shape. Therefore, a configuration in which the peripheral surface of the fitting ring is exposed is adopted.
- the present invention integrally has a vehicle body mounting flange for mounting to a suspension device on the outer periphery, an outer member having a double row outer rolling surface formed on the inner periphery, and a wheel mounted on the outer periphery. And a hub ring formed with a cylindrical small-diameter step portion extending in the axial direction on the outer periphery, and an inner ring press-fitted into the small-diameter step portion of the hub ring.
- An inner member formed with an inner rolling surface facing the outer rolling surface of the double row, and a double row of rolling members accommodated between the rolling surfaces of the outer member and the inner member.
- a moving body an encoder fitted to the inner ring, and an annular sensor holder attached to an end of the outer member so as to face the encoder, the sensor holder being made of steel plate
- the ring is a ring-shaped fitting ring, and is molded integrally with the fitting ring.
- a holding portion having a rotational speed sensor facing the encoder, a part of the outer peripheral surface of the holding portion is cut out in a substantially semicircular shape, and the peripheral surface of the fitting ring is exposed be able to.
- a wheel bearing device with a rotational speed detection device includes an encoder and an annular sensor holder disposed so as to face the encoder, and the sensor holder is made of a steel plate.
- An annular fitting ring and a holding part that is integrally molded with the fitting ring and includes a rotation speed sensor facing the encoder, and a part of the outer peripheral surface of the holding part is substantially semicircular. Since it is notched and the peripheral surface of the fitting ring is exposed, the outer periphery of the cage can also be pressed with a press-fitting jig. This makes it possible to manage the air gap with higher accuracy, without causing poor airtightness, and to improve the reliability of detecting the rotational speed of the wheel.
- FIG. 1 is a longitudinal sectional view showing an embodiment of a wheel bearing device with a rotational speed detection device according to the present invention
- FIG. 2 is a side view of the wheel bearing device with a rotational speed detection device according to the present invention
- FIG. FIG. 2 is an enlarged view of a main part of FIG.
- the side closer to the outside of the vehicle when assembled to the vehicle is referred to as the autopod side (left side of the drawing), and the side closer to the center is referred to as the inboard side (right side of the drawing).
- This wheel bearing device with a rotational speed detection device is for a drive wheel, and has a so-called third generation configuration in which a hub wheel 1 and a double row rolling bearing 2 are unitized. .
- the double row rolling bearing 2 has an outer member 4, an inner member 3, and double row rolling elements (poles) 5, 5, and the outer member 4 is composed of S 5 3 C, etc. It is made of medium carbon steel containing 0.40 to 0.80 wt% of carbon, and has a body mounting flange 4b for attaching to a knuckle (not shown) on the outer periphery. Double-row outer rolling surfaces 4a and 4a are formed on the inner periphery, and a hardened layer is formed with a surface hardness in the range of 5 4 to 6 4 H R C by induction hardening.
- the hub wheel 1 integrally has a wheel mounting flange 7 for mounting a wheel (not shown) at the end on the outboard side, and the wheel mounting flange 7 has a circumferentially equidistant position.
- Hub Port 7a is planted in the area.
- one inner rolling surface 1 a facing the outer rolling surfaces 4 a and 4 a of the double row, and this inner rolling surface 1
- a cylindrical small-diameter step portion 1 b extending in the axial direction from a is formed.
- a selection (or spline) 1 c is formed on the inner periphery of the hub wheel 1, and an outer joint member (not shown) constituting the constant velocity universal joint is fitted through the selection 1 c.
- the inner ring 6 is press-fitted into the small-diameter step portion 1b, and the other inner rolling surface 6a facing the double row outer rolling surfaces 4a and 4a is formed on the outer periphery thereof.
- the inner member 3 indicates the hub wheel 1 and the inner ring 6 press-fitted into the hub wheel 1.
- double row rolling elements 5 and 5 are accommodated, respectively.
- the cages 9 and 9 are held so as to roll freely.
- seals 10 and 11 are attached to the end of the outer member 4 to prevent leakage of the lubricating grease sealed inside the bearing and prevent rainwater and dust from entering the bearing from the outside. ing.
- the ball bearing which used the rolling elements 5 and 5 as the pole was illustrated, it is not restricted to this, The tapered roller bearing which uses the tapered roller for the rolling element may be used.
- the hub wheel 1 is made of medium carbon steel containing carbon 0.40 to 0.80 wt% such as 35.30, and is rolled inward from the seal land where the seal 10 on the outer side is in sliding contact.
- a hardened layer is formed in the range of 5 4 to 6 4 HRC by induction hardening over the running surface 1 a and the small diameter step 1 b.
- the seal land which is the base of the wheel mounting flange 7, not only has improved wear resistance, but also has sufficient mechanical strength against the rotational bending load applied to the wheel mounting flange 7. The durability of wheel 1 is further improved.
- the sensor holder 15 formed in an annular shape is attached to the end of the outer member 4, and the fitting ring 16 is fitted to the fitting ring 16. And a resin-made holding portion 17 bonded to the ring 16.
- the fitting ring 16 includes a cylindrical fitting portion 16a that is press-fitted into the outer periphery of the outer member 4, and a flange portion 16b that extends radially inward from the fitting portion 16a. And an inclined portion 16 c extending obliquely inward in the radial direction and a cylindrical portion 16 d extending in the axial direction from the inclined portion 16 c, and the entirety is formed in an annular shape.
- This mating ring 1 6 is corrosion resistant A stainless steel plate or the like having a shape is formed by pressing.
- perforations 18 are formed at a plurality of locations in the circumferential direction of the inclined portion 16c, and the holding portion 17 is integrally molded with a synthetic resin.
- the sensor holder 15 is fitted to the cylindrical portion 16 d of the sensor holder 15, and the sensor holder 15 is attached to the end surface of the outer member 4 while the flange portion 16 b is in close contact with the end surface of the outer member 4. It is press-fitted and fixed to the end of 4.
- the holding portion 17 is embedded with a rotation speed sensor 20 that faces a magnetic encoder 19 described later via a predetermined axial clearance.
- the rotational speed sensor 20 has 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 waveform shaping circuit that adjusts the output waveform of this magnetic detecting element. It consists of an integrated IC.
- a cutout portion 14 that is cut out in a substantially semicircular shape is formed in a substantially central portion of the outer peripheral surface of the holding portion 17, and the peripheral surface of the fitting ring 16. A part of the buttocks 1 6 b is exposed. The depth in the radial direction of the notch 14 reaches the substantially central part of the holding part 17, but the strength of the holding part 17 is maintained.
- FIG. 2 the contact range between the fitting ring 16 and the press-fitting jig when the fitting ring 16 is pressed with a press-fitting jig is shown by hatching.
- the holding portion 1 7 of the flange portion 1 6 b of the fitting ring 1 6 Not only the portion that is not provided, but also a part of the flange portion 16 b exposed by the cutout portion 14 of the outer peripheral portion of the holding portion 17 can be pressed by the press-fitting jig.
- the pressing amount can be made constant over substantially the entire circumference of the fitting ring 16.
- the seals 11 on the impingement side are respectively attached to the sensor holder 15 and the inner ring 6 and are annular first and second seal plates 21 and 2 each having a substantially L-shaped cross section. It consists of two and is placed facing each other.
- the second seal plate 22 has a cylindrical portion 2 2 a that is externally fitted to the inner ring 6, and a standing plate portion 2 2 b that extends radially outward from the cylindrical portion 2 2 a.
- the second seal plate 22 2 is pressed austenitic stainless steel (JIS standard SUS 304 system, etc.) or cold-rolled cold-rolled steel (JIS standard SPCC, etc.). It is formed by processing.
- the first seal plate 21 includes a cylindrical portion 2 1 a fitted in the sensor holder 15, and a standing plate portion 2 extending radially inward from one end of the cylindrical portion 2 1 a. 1 b, and a seal member 24 having a side lip 24a, a grease slip 24b, and an intermediate lip 24c integrally formed by vulcanization.
- the seal member 24 is made of an elastic member such as rubber.
- the side lip 2 4 a is in sliding contact with the upright plate portion 2 2 b of the second seal plate 2 2, and the grease slip 2 4 b and the intermediate lip 2 4 c are connected to the second seal plate 2 2 is in sliding contact with the cylindrical portion 2 2 a.
- a steel plate base 25 is disposed on the opposite side of the seal 11 with the holding portion 17 of the sensor holder 15 interposed therebetween.
- the base 25 includes a cylindrical portion 25 a which is fitted on the inner ring 6 and a standing plate portion 25 b which extends radially outward from the cylindrical portion 25 a and has a substantially L-shaped cross section.
- a magnetic encoder 19 in which a magnetic substance powder such as ferrite is mixed into an elastomer such as rubber is integrally vulcanized and bonded to the surface of the upright side of the standing plate portion 25 b.
- This magnetic encoder 19 is configured with a rotary encoder for detecting wheel rotation speed by alternately magnetizing magnetic poles N and S in the circumferential direction.
- the rotational speed sensor 20 is disposed in the annular sensor holder 15, and the seal 11 is fitted on the impeller side of the rotational speed sensor 20, so that the automobile Rotate with the magnetic encoder 19 even in the state before the outer joint member is fitted inside the hub wheel 1, including when transported to the assembly line of the finished product manufacturer. It is possible to reliably prevent foreign matter such as magnetic powder from entering between the detection portion of the speed sensor 20 from the outside. Therefore, the reliability of detecting the rotational speed of the wheel can be greatly improved. Diameter The direction can be made compact, and the surroundings of the rotation speed sensor 20 can be simplified, further improving the assembly workability.
- an active type rotational speed detection device including a magnetic encoder 19 and a rotational speed sensor 20 including a magnetic detection element such as a Hall element is illustrated.
- the rotation speed detection device according to the present invention is not limited to this, and may be, for example, a passive type including a magnetic encoder, a magnet and an annular coil wound around the magnet. The detection direction can be applied to either radial or axial.
- the wheel bearing device with a rotation speed detection device according to the present invention can be applied to a wheel bearing device in which all types of rotation speed detection devices are built in the inner ring rotation structure.
- FIG. 1 is a longitudinal sectional view showing an embodiment of a wheel bearing device with a rotational speed detection device according to the present invention.
- FIG. 2 is a side view of a wheel bearing device with a rotational speed detection device according to the present invention.
- FIG. 3 is an enlarged view of the main part of FIG.
- Seal member a Side lip b Grease slip c Intermediate lip Base a Cylindrical part b Standing plate part
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007003123T DE112007003123T5 (de) | 2006-12-20 | 2007-12-18 | Radgeschwindigkeitsfeststellvorrichtung mit einer Radgeschwindigkeitsfeststellvorrichtung vereinigte Radlagervorrichtung |
US12/486,883 US7737682B2 (en) | 2006-12-20 | 2009-06-18 | Wheel speed detecting apparatus and a wheel bearing apparatus incorporated with a wheel speed detecting apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006342203A JP2008151727A (ja) | 2006-12-20 | 2006-12-20 | 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 |
JP2006-342203 | 2006-12-20 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/486,883 Continuation US7737682B2 (en) | 2006-12-20 | 2009-06-18 | Wheel speed detecting apparatus and a wheel bearing apparatus incorporated with a wheel speed detecting apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008075464A1 true WO2008075464A1 (ja) | 2008-06-26 |
Family
ID=39536104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/001423 WO2008075464A1 (ja) | 2006-12-20 | 2007-12-18 | 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 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7737682B2 (ja) |
JP (1) | JP2008151727A (ja) |
CN (1) | CN101589312A (ja) |
DE (1) | DE112007003123T5 (ja) |
WO (1) | WO2008075464A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8514400B2 (en) | 2010-03-23 | 2013-08-20 | Oewaves, Inc. | Optical gyroscope sensors based on optical whispering gallery mode resonators |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010151311A (ja) * | 2008-11-28 | 2010-07-08 | Jtekt Corp | 車輪用転がり軸受装置 |
EP2664927B1 (en) * | 2012-05-14 | 2018-03-28 | Aktiebolaget SKF | Temporary support member for a sensor unit of a bearing, sensing sub-assembly and bearing assembly comprising such a support member |
JP6490995B2 (ja) * | 2015-03-12 | 2019-03-27 | Ntn株式会社 | 回転速度検出装置付き車輪用軸受装置 |
JP6431466B2 (ja) * | 2015-11-16 | 2018-11-28 | 日本精機株式会社 | 回転検出装置 |
DE102022106014A1 (de) * | 2022-03-15 | 2023-09-21 | Schaeffler Technologies AG & Co. KG | Zweireihiges Axialschrägkugellager |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005300289A (ja) * | 2004-04-09 | 2005-10-27 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
JP2006224692A (ja) * | 2005-02-15 | 2006-08-31 | Ntn Corp | 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 |
JP2006226729A (ja) * | 2005-02-15 | 2006-08-31 | Denso Corp | 指針計器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2303214B (en) * | 1995-07-07 | 1998-01-21 | Nsk Ltd | Rolling bearing unit with rotary speed sensor |
US7282908B2 (en) * | 2002-06-17 | 2007-10-16 | Skf Industrie S.P.A. | Surveying device for the running parameters of railway bearings |
US7618194B2 (en) * | 2004-04-09 | 2009-11-17 | Ntn Corporation | Wheel bearing apparatus incorporated with a wheel speed detecting apparatus |
JP4679192B2 (ja) * | 2005-03-22 | 2011-04-27 | Ntn株式会社 | 回転速度検出装置付き車輪用軸受装置 |
-
2006
- 2006-12-20 JP JP2006342203A patent/JP2008151727A/ja active Pending
-
2007
- 2007-12-18 WO PCT/JP2007/001423 patent/WO2008075464A1/ja active Application Filing
- 2007-12-18 DE DE112007003123T patent/DE112007003123T5/de not_active Withdrawn
- 2007-12-18 CN CNA2007800470452A patent/CN101589312A/zh active Pending
-
2009
- 2009-06-18 US US12/486,883 patent/US7737682B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005300289A (ja) * | 2004-04-09 | 2005-10-27 | Ntn Corp | 回転速度検出装置付き車輪用軸受装置 |
JP2006224692A (ja) * | 2005-02-15 | 2006-08-31 | Ntn Corp | 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 |
JP2006226729A (ja) * | 2005-02-15 | 2006-08-31 | Denso Corp | 指針計器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8514400B2 (en) | 2010-03-23 | 2013-08-20 | Oewaves, Inc. | Optical gyroscope sensors based on optical whispering gallery mode resonators |
Also Published As
Publication number | Publication date |
---|---|
DE112007003123T5 (de) | 2009-11-05 |
CN101589312A (zh) | 2009-11-25 |
US7737682B2 (en) | 2010-06-15 |
US20090256550A1 (en) | 2009-10-15 |
JP2008151727A (ja) | 2008-07-03 |
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