WO2009037963A1 - 磁気エンコーダおよび転がり軸受 - Google Patents

磁気エンコーダおよび転がり軸受 Download PDF

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Publication number
WO2009037963A1
WO2009037963A1 PCT/JP2008/065673 JP2008065673W WO2009037963A1 WO 2009037963 A1 WO2009037963 A1 WO 2009037963A1 JP 2008065673 W JP2008065673 W JP 2008065673W WO 2009037963 A1 WO2009037963 A1 WO 2009037963A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic encoder
rolling bearing
rotation
bearing
slinger
Prior art date
Application number
PCT/JP2008/065673
Other languages
English (en)
French (fr)
Inventor
Tatsuo Nakajima
Arito Matsui
Original Assignee
Ntn Corporation
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40467782&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009037963(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ntn Corporation filed Critical Ntn Corporation
Priority to CN200880108157A priority Critical patent/CN101802556A/zh
Priority to US12/679,103 priority patent/US8297848B2/en
Priority to DE112008002546.0T priority patent/DE112008002546B4/de
Publication of WO2009037963A1 publication Critical patent/WO2009037963A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • 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
    • F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
    • F16C33/7879—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a further sealing ring
    • 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
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • 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
    • 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
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/80—Manufacturing details of magnetic targets for magnetic encoders

Landscapes

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

Abstract

　磁気エンコーダ１７は、軸受の回転側軌道輪に固定され、回転側軌道輪の回転数を検知するセンサ側に向き、その表面粗さがＲａ０．３～３．０μｍである外側面２２と、軸受を密封するシール１６側に向く内側面２３とを含むスリンガ１８と、外側面２２に接着剤を介して接着される多極磁石１９と、内側面２３に形成され、その表面粗さがＲａ０．３μｍ以下であり、シール１６と摺接する被膜２５ｂとを備える。
PCT/JP2008/065673 2007-09-21 2008-09-01 磁気エンコーダおよび転がり軸受 WO2009037963A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200880108157A CN101802556A (zh) 2007-09-21 2008-09-01 磁编码器及滚动轴承
US12/679,103 US8297848B2 (en) 2007-09-21 2008-09-01 Magnetic encoder and rolling bearing
DE112008002546.0T DE112008002546B4 (de) 2007-09-21 2008-09-01 Magnetischer Kodierer und Wälzlager

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-245209 2007-09-21
JP2007245209A JP5097489B2 (ja) 2007-09-21 2007-09-21 磁気エンコーダおよび転がり軸受

Publications (1)

Publication Number Publication Date
WO2009037963A1 true WO2009037963A1 (ja) 2009-03-26

Family

ID=40467782

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/065673 WO2009037963A1 (ja) 2007-09-21 2008-09-01 磁気エンコーダおよび転がり軸受

Country Status (5)

Country Link
US (1) US8297848B2 (ja)
JP (1) JP5097489B2 (ja)
CN (1) CN101802556A (ja)
DE (1) DE112008002546B4 (ja)
WO (1) WO2009037963A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010025138A1 (de) * 2010-06-25 2011-12-29 Carl Freudenberg Kg Verfahren zur Herstellung eines magnetischen Multipolencoders
JP5609554B2 (ja) * 2010-11-04 2014-10-22 株式会社ジェイテクト 着磁パルサリング、転がり軸受装置、及び、着磁パルサリングの製造方法
CN111499939A (zh) * 2013-02-21 2020-08-07 Nok株式会社 丁腈橡胶类组合物
JP6241188B2 (ja) * 2013-10-16 2017-12-06 日本精工株式会社 エンコーダ付組み合わせシールリング及びエンコーダ付転がり軸受ユニット
CN103821941B (zh) * 2014-03-10 2016-09-07 董波 具有传感功能的总成油封
WO2016058787A1 (en) * 2014-10-13 2016-04-21 Robert Bosch Gmbh A device and method to define and identify absolute mechanical position for a rotating element
JP6654941B2 (ja) * 2016-03-18 2020-02-26 Ntn株式会社 車輪用軸受装置
CN106481656B (zh) * 2016-12-13 2021-07-23 施国荣 一种具有自动保护及检测功能的智能轴承
JP6520976B2 (ja) * 2017-03-22 2019-05-29 株式会社ジェイテクト 密封型スラスト軸受
CN111080607B (zh) * 2019-12-12 2020-10-09 哈尔滨市科佳通用机电股份有限公司 一种基于图像识别的滚动轴承甩油故障检测方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002213620A (ja) * 2001-01-16 2002-07-31 Koyo Seiko Co Ltd 密封構造ならびに密封装置
JP2003083345A (ja) * 2001-09-11 2003-03-19 Nsk Ltd 転がり軸受のシール装置
JP2004332938A (ja) * 2004-07-20 2004-11-25 Nsk Ltd エンコーダ付組み合わせシールリングとこれを組み込んだ車輪支持用転がり軸受ユニット
JP2005321307A (ja) * 2004-05-10 2005-11-17 Nsk Ltd 磁気エンコーダ及び当該磁気エンコーダを備えた転がり軸受ユニット
JP2007205770A (ja) * 2006-01-31 2007-08-16 Nsk Ltd 磁気エンコーダ及び前記磁気エンコーダを備える転がり軸受ユニット

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07107153B2 (ja) * 1987-05-26 1995-11-15 エヌオーケー株式会社 加硫接着剤配合物及びそれを用いる接着方法
JP3849309B2 (ja) * 1998-07-03 2006-11-22 Ｎｏｋ株式会社 加硫接着剤組成物
US6637754B1 (en) * 1999-11-17 2003-10-28 Ntn Corporation Wheel bearing and sealing device therefor
JP3656530B2 (ja) 2000-08-24 2005-06-08 日本精工株式会社 エンコーダ付組み合わせシールリングとこれを組み込んだ車輪支持用転がり軸受ユニット
US6692153B2 (en) * 2001-03-07 2004-02-17 Ntn Corporation Wheel support bearing assembly
US6789948B2 (en) * 2001-09-25 2004-09-14 Ntn Corporation Magnetic encoder and wheel bearing assembly using the same
JP2004019827A (ja) 2002-06-18 2004-01-22 Uchiyama Mfg Corp エンコーダ付組合せシール
US20050007226A1 (en) * 2003-05-22 2005-01-13 Uchiyama Manufacturing Corp. Magnetic encoder
EP1517149B1 (en) * 2003-09-16 2009-07-22 Ntn Corporation Process for mounting a magnetic encoder
US7592798B2 (en) 2004-01-22 2009-09-22 Nsk Ltd. Magnetic encoder and bearing
JP4432764B2 (ja) * 2004-05-19 2010-03-17 日本精工株式会社 磁気エンコーダの製造方法及び車輪支持用転がり軸受ユニットの製造方法
JP2006177756A (ja) * 2004-12-22 2006-07-06 Nsk Ltd 磁気エンコーダの製造方法
JP2006214920A (ja) * 2005-02-04 2006-08-17 Nsk Ltd 磁気エンコーダ及び転がり軸受ユニット
JP2007057480A (ja) * 2005-08-26 2007-03-08 Nsk Ltd 磁気エンコーダ及び転がり軸受ユニット
JP4997736B2 (ja) * 2005-10-11 2012-08-08 日本精工株式会社 磁気エンコーダ付軸受装置
JP4889094B2 (ja) 2006-01-11 2012-02-29 内山工業株式会社 トーンホイール
JP5036045B2 (ja) * 2007-07-18 2012-09-26 内山工業株式会社 磁気エンコーダ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002213620A (ja) * 2001-01-16 2002-07-31 Koyo Seiko Co Ltd 密封構造ならびに密封装置
JP2003083345A (ja) * 2001-09-11 2003-03-19 Nsk Ltd 転がり軸受のシール装置
JP2005321307A (ja) * 2004-05-10 2005-11-17 Nsk Ltd 磁気エンコーダ及び当該磁気エンコーダを備えた転がり軸受ユニット
JP2004332938A (ja) * 2004-07-20 2004-11-25 Nsk Ltd エンコーダ付組み合わせシールリングとこれを組み込んだ車輪支持用転がり軸受ユニット
JP2007205770A (ja) * 2006-01-31 2007-08-16 Nsk Ltd 磁気エンコーダ及び前記磁気エンコーダを備える転がり軸受ユニット

Also Published As

Publication number Publication date
DE112008002546B4 (de) 2019-06-13
JP2009074628A (ja) 2009-04-09
CN101802556A (zh) 2010-08-11
JP5097489B2 (ja) 2012-12-12
US20100239201A1 (en) 2010-09-23
DE112008002546T5 (de) 2010-09-16
US8297848B2 (en) 2012-10-30

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