ATE166142T1 - Stützeinrichtung mit gleichmässig afgedichtetem befestigungselement und datenspeichereinheit mit einer solchen stützeinrichtung - Google Patents

Stützeinrichtung mit gleichmässig afgedichtetem befestigungselement und datenspeichereinheit mit einer solchen stützeinrichtung

Info

Publication number
ATE166142T1
ATE166142T1 AT94202502T AT94202502T ATE166142T1 AT E166142 T1 ATE166142 T1 AT E166142T1 AT 94202502 T AT94202502 T AT 94202502T AT 94202502 T AT94202502 T AT 94202502T AT E166142 T1 ATE166142 T1 AT E166142T1
Authority
AT
Austria
Prior art keywords
support device
housing
locking piece
bearing part
sealing element
Prior art date
Application number
AT94202502T
Other languages
English (en)
Inventor
Johannes Cornelius Anto Muller
Robert Cornelis Henr Boereboom
Jelm Franse
Original Assignee
Philips Electronics Nv
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of ATE166142T1 publication Critical patent/ATE166142T1/de

Links

Classifications

    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • 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
    • 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
    • F16C17/107—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 surface for radial load and at least one surface for axial load
    • 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
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/08—Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
    • 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
    • F16C43/00—Assembling bearings
    • F16C43/02—Assembling sliding-contact bearings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • 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
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Sliding-Contact Bearings (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Sealing Of Bearings (AREA)
  • Motor Or Generator Frames (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rotational Drive Of Disk (AREA)
  • Sealing Devices (AREA)
AT94202502T 1993-09-02 1994-09-01 Stützeinrichtung mit gleichmässig afgedichtetem befestigungselement und datenspeichereinheit mit einer solchen stützeinrichtung ATE166142T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9300897A BE1007463A3 (nl) 1993-09-02 1993-09-02 Ondersteuningsinrichting met een uniform afdichtende sluitstukbevestiging, alsmede data-opslageenheid voorzien van een dergelijke ondersteuningsinrichting.

Publications (1)

Publication Number Publication Date
ATE166142T1 true ATE166142T1 (de) 1998-05-15

Family

ID=3887298

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94202502T ATE166142T1 (de) 1993-09-02 1994-09-01 Stützeinrichtung mit gleichmässig afgedichtetem befestigungselement und datenspeichereinheit mit einer solchen stützeinrichtung

Country Status (8)

Country Link
US (1) US5490021A (de)
EP (1) EP0646733B1 (de)
JP (1) JPH07151155A (de)
KR (1) KR100332848B1 (de)
AT (1) ATE166142T1 (de)
BE (1) BE1007463A3 (de)
DE (1) DE69410205T2 (de)
MY (1) MY115427A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07182770A (ja) * 1993-12-21 1995-07-21 Toshiba Corp 磁気ディスク装置およびその組み立て方法
WO1996031708A1 (en) * 1995-04-06 1996-10-10 Philips Electronics N.V. Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing
US5957589A (en) * 1997-12-10 1999-09-28 International Business Machine Corporation Fluid bearing seal and support structure
JP2003169439A (ja) * 2001-12-03 2003-06-13 Hitachi Ltd スピンドルモータとその製造方法
US7016146B2 (en) * 2002-03-12 2006-03-21 Minebea Co., Ltd. Low power spindle motor with a fluid dynamic spool bearing
US6814492B2 (en) * 2003-01-30 2004-11-09 Minebea Co., Ltd. Fluid trap for oil migration prevention
JP2005027431A (ja) * 2003-07-02 2005-01-27 Nippon Densan Corp モータ
US7708283B2 (en) * 2006-05-17 2010-05-04 A.W. Chesterton Company Mechanical seal assembly
JP5636668B2 (ja) * 2009-11-30 2014-12-10 株式会社ニコン レンズ系及び光学装置
JP2014185772A (ja) * 2013-03-25 2014-10-02 Samsung Electro-Mechanics Co Ltd スピンドルモータ及びそれを備える記録ディスク駆動装置
US9036299B2 (en) * 2013-07-24 2015-05-19 HGST Netherlands B.V. Magnetic write head having a recessed high moment portion of the wrap-around shield
JP2017028895A (ja) * 2015-07-24 2017-02-02 日本電産株式会社 スピンドルモータおよびディスク駆動装置
US12152677B2 (en) 2020-06-05 2024-11-26 A.W. Chesterton Company System and method for optimizing a fluid environment in split mechanical seals
WO2021248000A1 (en) 2020-06-05 2021-12-09 A.W. Chesterton Company Externally energized secondary seals in split mechanical seals

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3099502A (en) * 1959-06-11 1963-07-30 Seitz & Co Shock-absorbing pivot bearing
SE336935B (de) * 1966-06-21 1971-07-19 Skf Svenska Kullagerfab Ab
NL6704587A (de) * 1967-03-31 1968-10-01
BE795275A (fr) * 1972-02-11 1973-08-09 Atomic Energy Authority Uk Perfectionnements aux paliers a air
DE2327944A1 (de) * 1972-06-02 1973-12-20 Cav Ltd Fluidgeschmiertes lager
US4596475A (en) * 1977-09-20 1986-06-24 Pannwitz Hans U Thrust bearing
GB2151718B (en) * 1983-12-21 1987-03-25 Skf Svenska Kullagerfab Ab Bearing and seal assembly
FR2566071B1 (fr) * 1984-06-15 1989-03-10 Glaenzer Spicer Sa Dispositif d'etancheite pour joint de cardan
JP2602648B2 (ja) * 1987-01-14 1997-04-23 キヤノン株式会社 回転駆動装置
US4896239A (en) * 1987-03-30 1990-01-23 Seagate Technology, Inc. Bi-compliant rotor stepper motor for an actuator in a disc drive
DE8705293U1 (de) * 1987-04-09 1987-07-09 SKF Gleitlager GmbH, 6625 Püttlingen Vorrichtung zur Abdichtung von Lagern, insbesondere von Gelenklagern
US4768888A (en) * 1987-04-29 1988-09-06 Mcneil (Ohio) Corporation Unitary bearing member and motor incorporating the same
JP2506836B2 (ja) * 1987-11-02 1996-06-12 松下電器産業株式会社 動圧型流体軸受装置
JPH01200320A (ja) * 1988-02-05 1989-08-11 Hitachi Ltd 回転鏡光偏向器
US5213343A (en) * 1988-07-11 1993-05-25 White Hydraulics, Inc. Shaft seal with support member and backing ring
JP2669549B2 (ja) * 1988-12-14 1997-10-29 株式会社日立製作所 磁気デイスク装置
ATE95349T1 (de) * 1989-07-24 1993-10-15 Ebara Corp Spindelmotor.
EP0412509A3 (en) * 1989-08-11 1992-02-26 Ebara Corporation Bearing structure
US5227686A (en) * 1991-04-12 1993-07-13 Nagano Nidec Corporation Spindle motor

Also Published As

Publication number Publication date
KR950009557A (ko) 1995-04-24
DE69410205T2 (de) 1998-11-19
DE69410205D1 (de) 1998-06-18
JPH07151155A (ja) 1995-06-13
MY115427A (en) 2003-06-30
US5490021A (en) 1996-02-06
EP0646733B1 (de) 1998-05-13
EP0646733A1 (de) 1995-04-05
BE1007463A3 (nl) 1995-07-04
KR100332848B1 (ko) 2002-09-17

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Legal Events

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