WO2008129808A1 - Rotation detection sensor - Google Patents

Rotation detection sensor Download PDF

Info

Publication number
WO2008129808A1
WO2008129808A1 PCT/JP2008/000671 JP2008000671W WO2008129808A1 WO 2008129808 A1 WO2008129808 A1 WO 2008129808A1 JP 2008000671 W JP2008000671 W JP 2008000671W WO 2008129808 A1 WO2008129808 A1 WO 2008129808A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
fixation member
cable
rotation detection
bearing
Prior art date
Application number
PCT/JP2008/000671
Other languages
French (fr)
Japanese (ja)
Inventor
Takayoshi Ozaki
Toru Takahashi
Kentarou Nishikawa
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
Priority claimed from JP2007084365A external-priority patent/JP2008241557A/en
Priority claimed from JP2007120472A external-priority patent/JP2008275490A/en
Application filed by Ntn Corporation filed Critical Ntn Corporation
Publication of WO2008129808A1 publication Critical patent/WO2008129808A1/en

Links

Classifications

    • 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
    • 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
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors
    • 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
    • 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
    • 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
    • F16C33/80—Labyrinth sealings
    • F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips

Abstract

A rotation detection sensor (A) is fixed to a sensor fixation member (7) attached to a bearing for a wheel and detects rotation of a rotating ring of the bearing. A sensor unit (B) has a magnetic type sensor element (1) for detecting a detection target body on the rotating ring, a cable (10) for taking out an output signal of the sensor element (1) to the outside, and an electrode terminal member (3) for electrically connecting between an electrode section (2) of the sensor element (1) and a core wire (4) of the cable (10). The sensor unit (B) is placed at a predetermined position on the sensor fixation member (7), and a molding section (8) made by molding thermoplastic elastomer or a rubber material is provided around both the entire sensor unit (B) and a portion of the sensor fixation member (7). A clamp (9) is provided on the sensor fixation member (7) and fixes the cable (10) to the sensor fixation member (7) at a position away from the molding section (8).
PCT/JP2008/000671 2007-03-28 2008-03-21 Rotation detection sensor WO2008129808A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-084365 2007-03-28
JP2007084365A JP2008241557A (en) 2007-03-28 2007-03-28 Rotation detecting sensor
JP2007120472A JP2008275490A (en) 2007-05-01 2007-05-01 Rotation detection sensor
JP2007-120472 2007-05-01

Publications (1)

Publication Number Publication Date
WO2008129808A1 true WO2008129808A1 (en) 2008-10-30

Family

ID=39875341

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000671 WO2008129808A1 (en) 2007-03-28 2008-03-21 Rotation detection sensor

Country Status (1)

Country Link
WO (1) WO2008129808A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101646947B (en) * 2007-03-28 2011-08-10 Ntn株式会社 Rotation sensor
US8258781B2 (en) 2007-06-20 2012-09-04 Ntn Corporation Rotation sensor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0275961A (en) * 1988-09-12 1990-03-15 Sumitomo Electric Ind Ltd Rotation sensor
US5594334A (en) * 1993-06-25 1997-01-14 The Torrington Company Bearing having a sensor incorporated in a bearing seal and a circumferential sensor cable extending through and along the side of the bearing seal
JP2001289867A (en) * 2000-04-10 2001-10-19 Nsk Ltd Rotary supporting device with rotational speed detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0275961A (en) * 1988-09-12 1990-03-15 Sumitomo Electric Ind Ltd Rotation sensor
US5594334A (en) * 1993-06-25 1997-01-14 The Torrington Company Bearing having a sensor incorporated in a bearing seal and a circumferential sensor cable extending through and along the side of the bearing seal
JP2001289867A (en) * 2000-04-10 2001-10-19 Nsk Ltd Rotary supporting device with rotational speed detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101646947B (en) * 2007-03-28 2011-08-10 Ntn株式会社 Rotation sensor
US8258781B2 (en) 2007-06-20 2012-09-04 Ntn Corporation Rotation sensor

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