DE69125836T2 - Spindel- und Nabenausrüstung - Google Patents

Spindel- und Nabenausrüstung

Info

Publication number
DE69125836T2
DE69125836T2 DE69125836T DE69125836T DE69125836T2 DE 69125836 T2 DE69125836 T2 DE 69125836T2 DE 69125836 T DE69125836 T DE 69125836T DE 69125836 T DE69125836 T DE 69125836T DE 69125836 T2 DE69125836 T2 DE 69125836T2
Authority
DE
Germany
Prior art keywords
spindle
hub equipment
hub
equipment
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.)
Expired - Fee Related
Application number
DE69125836T
Other languages
English (en)
Other versions
DE69125836D1 (de
Inventor
Max Schaule
Roy Mackinnon
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.)
Quantum Corp
Original Assignee
Quantum 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 Quantum Corp filed Critical Quantum Corp
Publication of DE69125836D1 publication Critical patent/DE69125836D1/de
Application granted granted Critical
Publication of DE69125836T2 publication Critical patent/DE69125836T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
DE69125836T 1991-11-14 1991-11-14 Spindel- und Nabenausrüstung Expired - Fee Related DE69125836T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91119472A EP0541852B1 (de) 1991-11-14 1991-11-14 Spindel- und Nabenausrüstung

Publications (2)

Publication Number Publication Date
DE69125836D1 DE69125836D1 (de) 1997-05-28
DE69125836T2 true DE69125836T2 (de) 1997-12-18

Family

ID=8207339

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69125836T Expired - Fee Related DE69125836T2 (de) 1991-11-14 1991-11-14 Spindel- und Nabenausrüstung

Country Status (3)

Country Link
US (1) US5448120A (de)
EP (1) EP0541852B1 (de)
DE (1) DE69125836T2 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5763429A (en) 1993-09-10 1998-06-09 Bone Care International, Inc. Method of treating prostatic diseases using active vitamin D analogues
KR0165280B1 (ko) * 1993-10-27 1999-03-20 김광호 자기기록재생장치의 헤드드럼
DE69425119T2 (de) * 1993-12-14 2001-02-15 Hitachi Ltd Aufzeichnungsplattengerät und rotierende Halterungsstruktur dafür
US5973878A (en) * 1993-12-14 1999-10-26 Hitachi, Ltd. Recording disk apparatus and rotational supporting structure therefor, having a magnetic lubricant seal which is inclined
US5533811A (en) * 1995-02-14 1996-07-09 Quantum Corporation Hydrodynamic bearing having inverted surface tension seals
US5559651A (en) * 1995-04-12 1996-09-24 Seagate Technology, Inc. Magnetic disc storage system with hydrodynamic bearing
US5536088A (en) * 1995-06-07 1996-07-16 Synektron Corporation Fluid bearings for electronic spindle motors
US5876124A (en) * 1995-08-25 1999-03-02 Quantum Corporation Hydrodynamic bearing unit
US5634724A (en) * 1995-08-25 1997-06-03 Quantum Corporation Hydrodynamic bearing for spindle motor having high inertial load
GB2333330A (en) * 1996-12-20 1999-07-21 Seagate Technology Conical hydrodynamic bearing with two indendent circulation paths
US6573256B2 (en) 1996-12-30 2003-06-03 Bone Care International, Inc. Method of inhibiting angiogenesis using active vitamin D analogues
US6566353B2 (en) 1996-12-30 2003-05-20 Bone Care International, Inc. Method of treating malignancy associated hypercalcemia using active vitamin D analogues
US6503893B2 (en) 1996-12-30 2003-01-07 Bone Care International, Inc. Method of treating hyperproliferative diseases using active vitamin D analogues
US5921731A (en) * 1996-12-31 1999-07-13 The Ingersoll Milling Machine Company High speed hydrostatic spindle
US6036413A (en) * 1997-01-02 2000-03-14 The Ingersoll Milling Machine Company High speed hydrodynamic spindle
US20030129194A1 (en) * 1997-02-13 2003-07-10 Bone Care International, Inc. Targeted therapeutic delivery of vitamin D compounds
US5727095A (en) * 1997-02-21 1998-03-10 Setco Sales Co. Bearing seal with uniform fluid purge
US6217219B1 (en) 1997-02-21 2001-04-17 Setco Sales Co. Bearing seal with uniform fluid purge
US6130802A (en) * 1997-04-24 2000-10-10 Seagate Technology, Inc. Both ends open fluid dynamic bearing having a journal in combination with a conical bearing
JP4077042B2 (ja) * 1997-04-24 2008-04-16 シーゲイト テクノロジー エルエルシー 円錐ベアリングと組み合わされたジャーナルを有する（一端開放型の）流体力学ベアリングを備えたスピンドルモータ
US5980113A (en) * 1997-06-11 1999-11-09 Seagate Technology, Inc. Asymmetric sealing means for fluid dynamic bearings
JPH11126416A (ja) * 1997-10-20 1999-05-11 Hitachi Ltd ディスク装置
US6154339A (en) * 1997-11-06 2000-11-28 Seagate Technology Llc. Centrifugal capillary seal for use with fluid dynamic bearings
KR100501692B1 (ko) * 1998-01-16 2005-10-07 삼성전자주식회사 반복성 런아웃 보상 알고리즘 사용방법
US6181039B1 (en) * 1998-06-11 2001-01-30 Seagate Technology Llc Centrifugal capillary seal for use with fluid dynamic bearings
JP3578948B2 (ja) * 1999-10-01 2004-10-20 日本電産株式会社 モータ
US6741420B2 (en) * 2000-07-26 2004-05-25 Seagate Technology Llc Hydrodynamic spindle motor with an internally disposed heating element
US6735035B1 (en) 2000-11-20 2004-05-11 International Business Machines Corporation Method and apparatus for enabling cold temperature performance of a disk
US6731456B2 (en) * 2001-10-26 2004-05-04 Seagate Technology Llc Fluid dynamic bearing thermal compensation
JP3939987B2 (ja) * 2002-01-15 2007-07-04 日立粉末冶金株式会社 スピンドルモータ
WO2003102946A1 (en) * 2002-06-03 2003-12-11 Seagate Technology Llc Rotating shaft conical fluid dynamic bearing
US7213972B2 (en) * 2002-07-01 2007-05-08 Seagate Technology Llc Non-recirculating conical fluid dynamic bearing for an electric motor
US7239477B2 (en) * 2002-11-05 2007-07-03 Seagate Technology Llc Low profile air-oil hybrid fluid dynamic bearing motor
US7226212B2 (en) * 2004-03-01 2007-06-05 Minebea Co., Ltd. Shield and sealing method for a hydrodynamic bearing
US7094775B2 (en) 2004-06-30 2006-08-22 Bone Care International, Llc Method of treating breast cancer using a combination of vitamin D analogues and other agents
US7956499B2 (en) * 2005-06-02 2011-06-07 Seagate Technology Llc Motor magnetic force attenuator
US8562222B2 (en) * 2005-06-24 2013-10-22 Seagate Technology Llc Hub and spindle assembly
US7679243B2 (en) * 2005-12-22 2010-03-16 Seagate Technology Llc Motor assembly with multifunctional components
US7843664B2 (en) * 2006-02-09 2010-11-30 Seagate Technology Llc Electrostatic discharge apparatus for hub and spindle assemblies
US8454238B2 (en) * 2006-08-23 2013-06-04 Seagate Technology Llc Spindle regions
US8913344B1 (en) * 2013-10-25 2014-12-16 Seagate Technology Llc Dynamically adjustable fluid dynamic bearing stiffness

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3851933A (en) * 1972-06-12 1974-12-03 Sperry Rand Corp Hydrodynamic fluid-film bearings
US4658312A (en) * 1981-09-07 1987-04-14 Papst-Motoren Gmbh & Co. K.G. Disk storage drive
JPS5737116A (en) * 1980-08-18 1982-03-01 Nippon Seiko Kk Spindle device
US4717977A (en) * 1986-09-25 1988-01-05 Micropolis Corporation High capacity Winchester disk drive
US4712031A (en) * 1986-11-12 1987-12-08 Ancor Industries, Inc. Unit bearing motor with hydrodynamic lubricating system
US4919547A (en) * 1987-04-03 1990-04-24 Schwartzman Everett H Dynamically self-adjusted fluid bearing
US4828403A (en) * 1987-04-03 1989-05-09 Schwartzman Everett H Resiliently mounted fluid bearing assembly
DE3818346C2 (de) * 1987-05-29 1998-12-17 Papst Motoren Gmbh & Co Kg Außenläufermotor
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
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
FR2627313B1 (fr) * 1988-02-12 1994-08-05 Mecanique Magnetique Sa Dispositif de suspension et d'entrainement de disques de memoire d'ordinateur
JPH04502847A (ja) * 1989-01-25 1992-05-21 シーゲイト　テクノロジー　インコーポレーテッド アンダーハブ型ディスクドライブスピンモータ
US4965686A (en) * 1989-03-31 1990-10-23 Raymond Engineering Inc. Disc drive assembly for magnetic disc memory unit
US4998033A (en) * 1989-04-12 1991-03-05 Ebara Corporation Gas dynamic bearing for spindle motor
US5031061A (en) * 1989-09-27 1991-07-09 Quantum Corporation Disk drive hub assembly
US5173797A (en) * 1990-05-08 1992-12-22 Xerox Corporation Rotating mirror optical scanner with grooved grease bearings
US5019738A (en) * 1990-07-16 1991-05-28 Lincoln Laser Company Self-pressurizing gas supported surface-roughness bearing
US5200866A (en) * 1991-04-09 1993-04-06 Digital Equipment Corporation Motorized spindle for disk drive
SG77540A1 (en) * 1992-01-24 2001-01-16 Hajec S Chester Disk spindle motor

Also Published As

Publication number Publication date
EP0541852B1 (de) 1997-04-23
DE69125836D1 (de) 1997-05-28
US5448120A (en) 1995-09-05
EP0541852A1 (de) 1993-05-19

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: QUANTUM CORP., MILPITAS, CALIF., US

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee