DE69108950D1 - Drehendes Lagegerät in Plattenspeicheranordnung. - Google Patents

Drehendes Lagegerät in Plattenspeicheranordnung.

Info

Publication number
DE69108950D1
DE69108950D1 DE69108950T DE69108950T DE69108950D1 DE 69108950 D1 DE69108950 D1 DE 69108950D1 DE 69108950 T DE69108950 T DE 69108950T DE 69108950 T DE69108950 T DE 69108950T DE 69108950 D1 DE69108950 D1 DE 69108950D1
Authority
DE
Germany
Prior art keywords
rotating
storage device
arrangement
disk storage
disk
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
DE69108950T
Other languages
English (en)
Other versions
DE69108950T2 (de
Inventor
Takahiro Imamura
Yoshifumi Mizoshita
Keiji Aruga
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69108950D1 publication Critical patent/DE69108950D1/de
Publication of DE69108950T2 publication Critical patent/DE69108950T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature
    • G11B33/1433—Reducing the influence of the temperature by reducing the effects of the thermal expansion
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • 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
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/20—Thermal properties
    • F16C2202/22—Coefficient of expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotational Drive Of Disk (AREA)
  • Rolling Contact Bearings (AREA)
DE69108950T 1990-02-05 1991-02-04 Drehendes Lagegerät in Plattenspeicheranordnung. Expired - Fee Related DE69108950T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2024406A JP2771006B2 (ja) 1990-02-05 1990-02-05 ディスク記憶装置の回転体支持装置

Publications (2)

Publication Number Publication Date
DE69108950D1 true DE69108950D1 (de) 1995-05-24
DE69108950T2 DE69108950T2 (de) 1995-08-24

Family

ID=12137291

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69108950T Expired - Fee Related DE69108950T2 (de) 1990-02-05 1991-02-04 Drehendes Lagegerät in Plattenspeicheranordnung.

Country Status (4)

Country Link
US (1) US5112147A (de)
EP (1) EP0441557B1 (de)
JP (1) JP2771006B2 (de)
DE (1) DE69108950T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103825B4 (de) * 1990-02-09 2010-09-02 Papst Licensing Gmbh & Co. Kg Antriebsvorrichtung
JP2557964Y2 (ja) * 1992-04-13 1997-12-17 三菱重工業株式会社 水中軸受用緩衝ゴム
CA2109249A1 (en) * 1992-12-23 1994-06-24 David W. Richard Magnetic disk drive unit
US5729404A (en) * 1993-09-30 1998-03-17 Seagate Technology, Inc. Disc drive spindle motor with rotor isolation and controlled resistance electrical pathway from disc to ground
JP2675986B2 (ja) * 1994-02-18 1997-11-12 インターナショナル・ビジネス・マシーンズ・コーポレイション 複合アクチュエータベアリングシステムを有する直接アクセス記憶装置及びその方法
JP3705858B2 (ja) 1996-03-28 2005-10-12 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ デイスク駆動装置
JP3758757B2 (ja) * 1996-09-06 2006-03-22 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ ディスク装置
JP4050391B2 (ja) * 1998-06-19 2008-02-20 富士通株式会社 スピンドルモータおよび記録ディスク装置
JP2000074069A (ja) * 1998-08-28 2000-03-07 Koyo Seiko Co Ltd 転がり軸受
US6525440B1 (en) * 1999-04-21 2003-02-25 Seagate Technology Llc Thermal compensation spindle for ceramic ball bearings
WO2001024737A1 (en) 1999-10-06 2001-04-12 Astra Tech Ab Implant
JP2002005158A (ja) * 2000-06-19 2002-01-09 Minebea Co Ltd 軸受装置
WO2014009998A1 (ja) * 2012-07-11 2014-01-16 三菱電機株式会社 回転電機
EP3018800B1 (de) * 2013-07-05 2019-02-27 Mitsubishi Electric Corporation Elektrische rotationsmaschine
CN205669546U9 (zh) * 2013-11-26 2016-12-21 三菱电机株式会社 蝶阀

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH619519A5 (de) * 1977-10-17 1980-09-30 Confederation Helvetique Repre
DE3112754C2 (de) * 1981-03-31 1983-11-10 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Befestigung von Lagern
JPS57208318A (en) * 1981-06-13 1982-12-21 Yamaha Motor Co Ltd Support structure for bearing
JPS6271064A (ja) * 1985-09-20 1987-04-01 Nec Corp 磁気デイスク装置
JPH0668423B2 (ja) * 1986-11-18 1994-08-31 三洋電機株式会社 ヒ−トポンプ式空気調和機
US4829657A (en) * 1987-02-27 1989-05-16 Maxtor Corporation In-spindle motor assembly for disk drive and method for fabricating the same
US4814652A (en) * 1987-02-27 1989-03-21 Maxtor Corporation Disk drive motor with thermally matched parts
US4928029A (en) * 1987-02-27 1990-05-22 Maxtor Corporation In-spindle motor assembly for disk drive and method for fabricating
US4764828A (en) * 1987-03-26 1988-08-16 Priam Corporation Disc and hub centering device for use in magnetic disc drives
US4910620A (en) * 1987-05-14 1990-03-20 Siemens Aktiengesellschaft Thermal compensation structure for a disk pack module
JPH0629614B2 (ja) * 1988-04-11 1994-04-20 株式会社不二越 軸受固定装置
JPH01290164A (ja) * 1988-05-18 1989-11-22 Hitachi Ltd 磁気ディスク装置のスピンドル構造

Also Published As

Publication number Publication date
DE69108950T2 (de) 1995-08-24
JP2771006B2 (ja) 1998-07-02
US5112147A (en) 1992-05-12
EP0441557A2 (de) 1991-08-14
EP0441557B1 (de) 1995-04-19
JPH03230366A (ja) 1991-10-14
EP0441557A3 (en) 1992-06-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee