NL181677C - Lagersamenstelsel voor twee ten opzichte van elkaar roteerbare elementen, waartussen een magnetisch smeermiddel is aangebracht en een lagering met twee lagersamenstelsels. - Google Patents

Lagersamenstelsel voor twee ten opzichte van elkaar roteerbare elementen, waartussen een magnetisch smeermiddel is aangebracht en een lagering met twee lagersamenstelsels.

Info

Publication number
NL181677C
NL181677C NLAANVRAGE7604691,A NL7604691A NL181677C NL 181677 C NL181677 C NL 181677C NL 7604691 A NL7604691 A NL 7604691A NL 181677 C NL181677 C NL 181677C
Authority
NL
Netherlands
Prior art keywords
bearing
rotatable elements
assemblies
assembly
magnetic lubricant
Prior art date
Application number
NLAANVRAGE7604691,A
Other languages
English (en)
Other versions
NL181677B (nl
NL7604691A (nl
Original Assignee
Ampex
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 filed Critical Ampex
Publication of NL7604691A publication Critical patent/NL7604691A/nl
Publication of NL181677B publication Critical patent/NL181677B/nl
Application granted granted Critical
Publication of NL181677C publication Critical patent/NL181677C/nl

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)
NLAANVRAGE7604691,A 1975-06-06 1976-05-03 Lagersamenstelsel voor twee ten opzichte van elkaar roteerbare elementen, waartussen een magnetisch smeermiddel is aangebracht en een lagering met twee lagersamenstelsels. NL181677C (nl)

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 (3)

Publication Number Publication Date
NL7604691A NL7604691A (nl) 1976-12-08
NL181677B NL181677B (nl) 1987-05-04
NL181677C true NL181677C (nl) 1987-10-01

Family

ID=24336632

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7604691,A NL181677C (nl) 1975-06-06 1976-05-03 Lagersamenstelsel voor twee ten opzichte van elkaar roteerbare elementen, waartussen een magnetisch smeermiddel is aangebracht en een lagering met twee lagersamenstelsels.

Country Status (9)

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

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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
IL60597A0 (en) * 1979-07-30 1980-09-16 Litton Systems Inc Ferro-fluid bearing
US4645960A (en) * 1979-07-30 1987-02-24 Litton Systems, Inc. Ferro-fluid bearing
JPS5843421A (ja) * 1981-09-09 1983-03-14 Toshiba Corp 回転鏡光偏向器
DE3235866A1 (de) * 1981-09-29 1983-05-11 Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa 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
JPS5917019A (ja) * 1982-07-20 1984-01-28 Toshiba Corp 回転体支持装置
US4523800A (en) * 1982-07-20 1985-06-18 Tokyo Shibaura Denki Kabushiki Kaisha Polygonal mirror optical deflector
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
US4694213A (en) * 1986-11-21 1987-09-15 Ferrofluidics Corporation Ferrofluid seal for a stationary shaft and a rotating hub
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
JPH01279113A (ja) * 1988-04-30 1989-11-09 Nippon Ferrofluidics Kk 真空装置用の軸受装置
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
WO1993015545A1 (en) * 1992-01-24 1993-08-05 Hajec Chester S Disk spindle motor
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
US5559651A (en) * 1995-04-12 1996-09-24 Seagate Technology, Inc. Magnetic disc storage system with hydrodynamic bearing
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
US6144523A (en) * 1996-12-20 2000-11-07 Seagate Technology Llc Simplified conical bearing with independent flow paths
US6137650A (en) * 1997-04-24 2000-10-24 Seagate Technology L.L.C. Spindle motor with fluid dynamic bearing having a journal bearing in combination with a conical bearing
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
AU6211800A (en) * 1999-07-13 2001-01-30 A.W. Chesterton Company Opposed flow seal/bearing assembly
US6695480B1 (en) 1999-07-13 2004-02-24 A.W. Chesterton Co. Opposed flow seal/bearing assembly
DE10240634B4 (de) * 2002-03-12 2007-07-19 Minebea Co., Ltd. Hydrodynamisches Lager für einen Spindelmotor
DE10238558A1 (de) * 2002-03-12 2003-10-16 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

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GB869200A (en) * 1958-01-13 1961-05-31 Bristol Siddeley Engines Ltd Improvements in and relating to gas bearings
NL6617168A (nl) * 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

Also Published As

Publication number Publication date
FR2313592A1 (fr) 1976-12-31
US4043612A (en) 1977-08-23
FR2313592B1 (nl) 1983-04-01
DE2624586C2 (de) 1982-07-15
NL181677B (nl) 1987-05-04
GB1550423A (en) 1979-08-15
JPS51148139A (en) 1976-12-20
DE2624586A1 (de) 1976-12-09
CA1050594A (en) 1979-03-13
IT1058228B (it) 1982-04-10
NL7604691A (nl) 1976-12-08
BE841923A (fr) 1976-09-16

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Legal Events

Date Code Title Description
BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: AMPEX SYSTEMS CORPORATION

V1 Lapsed because of non-payment of the annual fee