FR2313592A1 - Structure de palier a moyens magnetiques de retention de lubrifiant magnetique - Google Patents

Structure de palier a moyens magnetiques de retention de lubrifiant magnetique

Info

Publication number
FR2313592A1
FR2313592A1 FR7616953A FR7616953A FR2313592A1 FR 2313592 A1 FR2313592 A1 FR 2313592A1 FR 7616953 A FR7616953 A FR 7616953A FR 7616953 A FR7616953 A FR 7616953A FR 2313592 A1 FR2313592 A1 FR 2313592A1
Authority
FR
France
Prior art keywords
bearing structure
lubricant retention
retention bearing
magnetic lubricant
magnetic
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.)
Granted
Application number
FR7616953A
Other languages
English (en)
Other versions
FR2313592B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ampex Corp filed Critical Ampex Corp
Publication of FR2313592A1 publication Critical patent/FR2313592A1/fr
Application granted granted Critical
Publication of FR2313592B1 publication Critical patent/FR2313592B1/fr
Granted legal-status Critical Current

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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/105—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one bearing surface providing angular contact, e.g. conical or spherical bearing surfaces
    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • 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
    • F16C33/74—Sealings of sliding-contact bearings
    • F16C33/741—Sealings of sliding-contact bearings by means of a fluid
    • F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
    • F16C33/746—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by a magnetic field
    • 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
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Power Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
FR7616953A 1975-06-06 1976-06-04 Structure de palier a moyens magnetiques de retention de lubrifiant magnetique Granted FR2313592A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/584,270 US4043612A (en) 1975-06-06 1975-06-06 Bearing structure

Publications (2)

Publication Number Publication Date
FR2313592A1 true FR2313592A1 (fr) 1976-12-31
FR2313592B1 FR2313592B1 (fr) 1983-04-01

Family

ID=24336632

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616953A Granted FR2313592A1 (fr) 1975-06-06 1976-06-04 Structure de palier a moyens magnetiques de retention de lubrifiant magnetique

Country Status (9)

Country Link
US (1) US4043612A (fr)
JP (1) JPS51148139A (fr)
BE (1) BE841923A (fr)
CA (1) CA1050594A (fr)
DE (1) DE2624586C2 (fr)
FR (1) FR2313592A1 (fr)
GB (1) GB1550423A (fr)
IT (1) IT1058228B (fr)
NL (1) NL181677C (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269264A2 (fr) * 1986-11-21 1988-06-01 Ferrofluidics Corporation Joint ferro-fluidique pour un axe fixe et un moyeu rotatif
EP0340684A2 (fr) * 1988-04-30 1989-11-08 Nippon Ferrofluidics Corporation Equipement de palier pour dispositif sous vide
WO1993015545A1 (fr) * 1992-01-24 1993-08-05 Hajec Chester S Moteur de broche pour disque
EP0741384A2 (fr) * 1995-04-12 1996-11-06 Seagate Technology, Inc. Système d'enregistrement à disque avec palier hydrodynamique

Families Citing this family (47)

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Publication number Priority date Publication date Assignee Title
DE2616132C3 (de) * 1976-04-13 1979-06-21 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Gaslager für schnell rotierende TeUe
GB1524662A (en) * 1977-03-24 1978-09-13 Univ Southampton Agnetic disc stores
NL7713634A (nl) * 1977-12-09 1979-06-12 Philips Nv Roentgenbuis met draaianode.
JPS54102445A (en) * 1978-01-27 1979-08-11 Matsushita Electric Ind Co Ltd Fluid bearing revolving apparatus
JPS5527550A (en) * 1978-08-16 1980-02-27 Matsushita Electric Ind Co Ltd Bearing device
JPS5530528A (en) * 1978-08-22 1980-03-04 Matsushita Electric Ind Co Ltd Bearing device
JPS6027095B2 (ja) * 1979-07-18 1985-06-27 松下電器産業株式会社 回転ヘッド・アセンブリ
US4645960A (en) * 1979-07-30 1987-02-24 Litton Systems, Inc. Ferro-fluid bearing
IL60597A0 (en) * 1979-07-30 1980-09-16 Litton Systems Inc Ferro-fluid bearing
JPS5843421A (ja) * 1981-09-09 1983-03-14 Toshiba Corp 回転鏡光偏向器
US4487514A (en) * 1981-09-29 1984-12-11 Tokyo Shibaura Denki Kabushiki Kaisha Motor
DE3141841A1 (de) * 1981-10-22 1983-05-05 Brown, Boveri & Cie Ag, 6800 Mannheim "zentrier- und fangvorrichtung fuer beruehrungslos gelagerte rotoren"
JPS58137617A (ja) * 1982-02-10 1983-08-16 Nippon Seiko Kk 回転軸支承体
US4523800A (en) * 1982-07-20 1985-06-18 Tokyo Shibaura Denki Kabushiki Kaisha Polygonal mirror optical deflector
JPS5917019A (ja) * 1982-07-20 1984-01-28 Toshiba Corp 回転体支持装置
US4526484A (en) * 1983-09-21 1985-07-02 Ferrofluidics Corporation Ferrofluid thrust and radial bearing assembly
DE3439081A1 (de) * 1983-10-27 1985-06-13 Ferrofluidics Corp., Nashua, N.H. Ferrofluiddichtung
US4726693A (en) * 1984-10-05 1988-02-23 Hewlett-Packard Company Precision hydrodynamic bearing
NL8601017A (nl) * 1986-04-21 1987-11-16 Skf Ind Trading & Dev Wentellager.
US4717266A (en) * 1986-06-12 1988-01-05 Spectra-Physics, Inc. Low friction ferrofluid bearing arrangement
JP2516967B2 (ja) * 1987-04-30 1996-07-24 松下電器産業株式会社 軸受装置
US5238254A (en) * 1987-07-17 1993-08-24 Koyo Seiko Co., Ltd. Ferrofluid seal apparatus
US5112142A (en) * 1987-08-12 1992-05-12 Digital Equipment Corporation Hydrodynamic bearing
US4795275A (en) * 1987-08-12 1989-01-03 Digital Equipment Corporation Hydrodynamic bearing
US5173797A (en) * 1990-05-08 1992-12-22 Xerox Corporation Rotating mirror optical scanner with grooved grease bearings
US5142952A (en) * 1990-05-21 1992-09-01 Snap-On Tools Corporation Ratchet tool
DE4035694C2 (de) * 1990-11-09 1995-05-04 Siemens Ag Fangvorrichtung für eine in einem entsprechenden Lager berührungslos gelagerte Rotorwelle
US5323076A (en) * 1992-01-24 1994-06-21 Hajec Chester S Disk spindle motor
US5254893A (en) * 1992-01-30 1993-10-19 Ide Russell D Shaft support assembly for use in a polygon mirror drive motor
US5161900A (en) * 1992-04-10 1992-11-10 International Business Machines, Corp. Self-contained low power fluid bearing and bearing seal
KR100213877B1 (ko) * 1996-10-29 1999-08-02 윤종용 원추베어링 장치
KR100213878B1 (ko) * 1996-10-30 1999-08-02 윤종용 유체 베어링 장치
KR200162040Y1 (ko) * 1996-11-13 1999-12-01 윤종용 레이저스캐닝장치의 반구형 베어링구조
WO1998028550A1 (fr) * 1996-12-20 1998-07-02 Seagate Technology, Inc. Palier hydrodynamique conique presentant deux trajets de circulation independants
DE19781854T1 (de) * 1997-04-24 1999-07-08 Seagate Technology An beiden Enden offenes fluiddynamisches Lager mit einem Radiallager in Verbindung mit einem konischen Lager
US6148501A (en) * 1998-04-14 2000-11-21 Seagate Technology Llc Fabrication means for in-hub spindle with separate fluid dynamic bearings
US5997119A (en) * 1998-08-28 1999-12-07 Eastman Kodak Company Magnetic arrangement for printhead positioning in an image processing apparatus
US6695480B1 (en) 1999-07-13 2004-02-24 A.W. Chesterton Co. Opposed flow seal/bearing assembly
WO2001004503A1 (fr) * 1999-07-13 2001-01-18 A.W. Chesterton Co. Ensemble joint d'etancheite/palier empechant un ecoulement
DE10238558A1 (de) * 2002-03-12 2003-10-16 Minebea Co Ltd Hydrodynamisches Lager für einen Spindelmotor
DE10240634B4 (de) * 2002-03-12 2007-07-19 Minebea Co., Ltd. Hydrodynamisches Lager für einen Spindelmotor
US20030190100A1 (en) * 2002-04-05 2003-10-09 Grantz Alan L. Radial capillary seal for fluid dynamic bearing motors
US7956499B2 (en) * 2005-06-02 2011-06-07 Seagate Technology Llc Motor magnetic force attenuator
CN101799075A (zh) * 2010-04-12 2010-08-11 北京交通大学 一种旋转轴组合密封装置
CN107327488B (zh) * 2017-08-29 2023-03-28 南京磁谷科技有限公司 一种用于倾斜磁轴承中磁极的安装座
CN112049934B (zh) * 2020-08-14 2022-04-01 湖南山瑞重工科技有限公司 一种用于重型锤式破碎机的轴承端封机构
DE102023109356A1 (de) 2022-07-18 2024-01-18 Prominent Gmbh Antriebseinheit für eine Motordosierpumpe

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
GB869200A (en) * 1958-01-13 1961-05-31 Bristol Siddeley Engines Ltd Improvements in and relating to gas bearings
NL6617168A (fr) * 1966-12-07 1968-06-10
NL151477B (nl) * 1967-03-31 1976-11-15 Philips Nv Hydrodynamisch glijleger voor het opnemen van axiale en radiale belastingen.
US3746407A (en) * 1971-08-13 1973-07-17 Litton Systems Inc Ferrohydrodynamic low friction bearing
US3834775A (en) * 1972-05-26 1974-09-10 Litton Systems Inc Ferrohydrodynamic low-friction bearing with improved volume compensation and fluid seal
DE2239624B2 (de) * 1972-08-11 1975-11-27 Dornier System Gmbh, 7990 Friedrichshafen Axialgleitlager für eine in einer Drehrichtung laufende Welle
DE2260080C3 (de) * 1972-12-08 1981-08-27 Litton Industries, Inc., 90210 Beverly Hills, Calif. Gleitlager mit magnetisierbarem Schmiermittel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269264A2 (fr) * 1986-11-21 1988-06-01 Ferrofluidics Corporation Joint ferro-fluidique pour un axe fixe et un moyeu rotatif
EP0269264A3 (en) * 1986-11-21 1989-02-08 Ferrofluidics Corporation Ferrofluid seal for a stationary shaft and a rotating hub
EP0340684A2 (fr) * 1988-04-30 1989-11-08 Nippon Ferrofluidics Corporation Equipement de palier pour dispositif sous vide
EP0340684A3 (en) * 1988-04-30 1990-09-26 Nippon Ferrofluidics Corporation Bearing equipment for vacuum device
WO1993015545A1 (fr) * 1992-01-24 1993-08-05 Hajec Chester S Moteur de broche pour disque
EP0741384A2 (fr) * 1995-04-12 1996-11-06 Seagate Technology, Inc. Système d'enregistrement à disque avec palier hydrodynamique
EP0741384A3 (fr) * 1995-04-12 1997-06-04 Seagate Technology Système d'enregistrement à disque avec palier hydrodynamique

Also Published As

Publication number Publication date
DE2624586C2 (de) 1982-07-15
GB1550423A (en) 1979-08-15
DE2624586A1 (de) 1976-12-09
NL181677C (nl) 1987-10-01
IT1058228B (it) 1982-04-10
US4043612A (en) 1977-08-23
BE841923A (fr) 1976-09-16
NL7604691A (nl) 1976-12-08
NL181677B (nl) 1987-05-04
JPS51148139A (en) 1976-12-20
CA1050594A (fr) 1979-03-13
FR2313592B1 (fr) 1983-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse