GB2197991B - Spindle electric motors - Google Patents

Spindle electric motors

Info

Publication number
GB2197991B
GB2197991B GB8724832A GB8724832A GB2197991B GB 2197991 B GB2197991 B GB 2197991B GB 8724832 A GB8724832 A GB 8724832A GB 8724832 A GB8724832 A GB 8724832A GB 2197991 B GB2197991 B GB 2197991B
Authority
GB
United Kingdom
Prior art keywords
electric motors
spindle electric
spindle
motors
electric
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 - Lifetime
Application number
GB8724832A
Other languages
English (en)
Other versions
GB2197991A (en
GB8724832D0 (en
Inventor
Mitsuo Nishikawa
Souichi Murakami
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of GB8724832D0 publication Critical patent/GB8724832D0/en
Publication of GB2197991A publication Critical patent/GB2197991A/en
Application granted granted Critical
Publication of GB2197991B publication Critical patent/GB2197991B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11B19/24—Arrangements for providing constant relative speed between record carrier and head
    • G11B19/247—Arrangements for providing constant relative speed between record carrier and head using electrical means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • 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)
  • Brushless Motors (AREA)
  • Rotational Drive Of Disk (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
GB8724832A 1986-10-29 1987-10-23 Spindle electric motors Expired - Lifetime GB2197991B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986166078U JPH0526915Y2 (US06534493-20030318-C00166.png) 1986-10-29 1986-10-29

Publications (3)

Publication Number Publication Date
GB8724832D0 GB8724832D0 (en) 1987-11-25
GB2197991A GB2197991A (en) 1988-06-02
GB2197991B true GB2197991B (en) 1990-05-02

Family

ID=15824573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8724832A Expired - Lifetime GB2197991B (en) 1986-10-29 1987-10-23 Spindle electric motors

Country Status (4)

Country Link
US (1) US4788464A (US06534493-20030318-C00166.png)
JP (1) JPH0526915Y2 (US06534493-20030318-C00166.png)
KR (1) KR930007443Y1 (US06534493-20030318-C00166.png)
GB (1) GB2197991B (US06534493-20030318-C00166.png)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220103A (en) * 1988-06-22 1989-12-28 Stc Plc Electromagnetic components
US5461523A (en) * 1988-08-12 1995-10-24 Canon Denshi Kabushiki Kaisha Disc unit having a drive motor and a chucking assembly for holding a disc therewith
NL8802996A (nl) * 1988-12-07 1990-07-02 Philips Nv Draaitafelsamenstel, werkwijze voor het vervaardigen van een draaitafelsamenstel, alsmede een platenspeler voorzien van een draaitafelsamenstel.
US5689388A (en) * 1989-06-15 1997-11-18 Canon Denshi Kabushiki Kaisha Reduced-height magnetic disk drive unit, and disk mounting device for the unit
US5095238A (en) * 1990-04-03 1992-03-10 Minebea Co., Ltd. Brushless dc motor and rotor magnet
JPH0583913A (ja) * 1991-08-30 1993-04-02 Fuji Electric Co Ltd 磁気デイスク装置用スピンドルモータ
JP2584335Y2 (ja) * 1992-08-04 1998-10-30 愛知電機株式会社 空気調和機用のドレンポンプ
JP2581101Y2 (ja) * 1992-10-13 1998-09-21 三洋電機株式会社 ブラシレスモータ
JP2601260Y2 (ja) * 1993-12-08 1999-11-15 松下電器産業株式会社 スピンドルモータ
US5486962A (en) * 1994-10-12 1996-01-23 International Business Machines Corporation Integral hub and disk clamp for a disk drive storage device
JPH08308197A (ja) * 1995-05-08 1996-11-22 Matsushita Electric Ind Co Ltd スピンドルモータ
US5654598A (en) * 1995-12-14 1997-08-05 Siemens Electric Limited Brushless motor with inside mounted single bearing
US5675206A (en) * 1995-12-18 1997-10-07 Siemens Electric Limited Slim-line brushless motor
US5844338A (en) * 1995-12-18 1998-12-01 Siemens Electric Limited Slim-line brushless motor with inside mounted single bearing
US5706148A (en) * 1996-12-31 1998-01-06 Texas Instruments Incorporated Hard disk drive with kinematically mounted disk platters
JPH10327549A (ja) * 1997-05-26 1998-12-08 Sankyo Seiki Mfg Co Ltd スピンドルモータ
EP0957480A1 (en) * 1998-05-15 1999-11-17 Deutsche Thomson-Brandt Gmbh Disk drive with compensation of disk eccentricity
JP4477220B2 (ja) * 2000-11-20 2010-06-09 オリンパス株式会社 スピンドルモータ
JP2004213850A (ja) * 2002-05-13 2004-07-29 Fuji Photo Film Co Ltd 磁気ディスクカートリッジ
US7332837B2 (en) * 2003-08-11 2008-02-19 General Motors Corporation Cooling and handling of reaction torque for an axial flux motor
US20050035678A1 (en) * 2003-08-11 2005-02-17 Ward Terence G. Axial flux motor mass reduction with improved cooling
US7262536B2 (en) * 2003-08-11 2007-08-28 General Motors Corporation Gearless wheel motor drive system
JP4012170B2 (ja) * 2004-01-06 2007-11-21 キヤノン株式会社 アクチュエータ及び光量調節装置
CN100363629C (zh) * 2004-08-27 2008-01-23 鸿富锦精密工业（深圳）有限公司 薄型风扇
DE202005017833U1 (de) * 2005-11-16 2007-03-29 Sinnotec Entwicklungsgesellschaft Ltd. Elektromotor mit Permanentmagneten als Antrieb vom Umwälzlüfter bei Backgeräten und Kombidämpfern
KR100716833B1 (ko) * 2006-04-03 2007-05-09 삼성전기주식회사 초박형 스핀들모터
US8129880B2 (en) * 2007-11-15 2012-03-06 GM Global Technology Operations LLC Concentrated winding machine with magnetic slot wedges
JP7379011B2 (ja) * 2019-08-09 2023-11-14 ミネベアミツミ株式会社 回転機器
US20230014696A1 (en) * 2019-12-11 2023-01-19 Nidec Global Appliance Brasil Ltda. Reciprocating hermetic compressor with axial flux motor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523711A (en) * 1978-07-29 1980-02-20 Sony Corp Rotary electric machine
US4329606A (en) * 1979-12-10 1982-05-11 General Scanning, Inc. Electric motor construction
JPS56132138A (en) * 1980-03-19 1981-10-16 V I V Eng Kk Plastic generator
US4658312A (en) * 1981-09-07 1987-04-14 Papst-Motoren Gmbh & Co. K.G. Disk storage drive
JPH0422431Y2 (US06534493-20030318-C00166.png) * 1985-01-24 1992-05-22
US4620139A (en) * 1985-07-22 1986-10-28 Kabushiki Kaisha Shicoh Giken Brushless d.c. motor

Also Published As

Publication number Publication date
KR930007443Y1 (ko) 1993-10-25
GB2197991A (en) 1988-06-02
GB8724832D0 (en) 1987-11-25
JPH0526915Y2 (US06534493-20030318-C00166.png) 1993-07-08
US4788464A (en) 1988-11-29
KR880008572U (ko) 1988-06-30
JPS6374068U (US06534493-20030318-C00166.png) 1988-05-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041023