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GB2142786B - Disc drive system - Google Patents

Disc drive system

Info

Publication number
GB2142786B
GB2142786B GB08411729A GB8411729A GB2142786B GB 2142786 B GB2142786 B GB 2142786B GB 08411729 A GB08411729 A GB 08411729A GB 8411729 A GB8411729 A GB 8411729A GB 2142786 B GB2142786 B GB 2142786B
Authority
GB
United Kingdom
Prior art keywords
drive system
disc drive
disc
drive
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
Application number
GB08411729A
Other versions
GB2142786A (en
GB8411729D0 (en
Inventor
Pavel Otavsky
Paul M Suffredini
Ralph L Maclure
Daniel J Sheehan
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.)
EMC Corp
Original Assignee
Data General 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 Data General Corp filed Critical Data General Corp
Publication of GB8411729D0 publication Critical patent/GB8411729D0/en
Publication of GB2142786A publication Critical patent/GB2142786A/en
Application granted granted Critical
Publication of GB2142786B publication Critical patent/GB2142786B/en
Expired 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
    • G11B19/2009—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
    • 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
    • G11B33/1413—Reducing the influence of the temperature by fluid cooling
    • G11B33/142—Reducing the influence of the temperature by fluid cooling by air cooling
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Brushless Motors (AREA)
GB08411729A 1983-05-23 1984-05-09 Disc drive system Expired GB2142786B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49691883A 1983-05-23 1983-05-23

Publications (3)

Publication Number Publication Date
GB8411729D0 GB8411729D0 (en) 1984-06-13
GB2142786A GB2142786A (en) 1985-01-23
GB2142786B true GB2142786B (en) 1986-12-31

Family

ID=23974727

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08411729A Expired GB2142786B (en) 1983-05-23 1984-05-09 Disc drive system

Country Status (2)

Country Link
CA (1) CA1259406A (en)
GB (1) GB2142786B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1266877A (en) * 1984-09-13 1990-03-20 Erich Rabe Electronically commutated dc machine and use thereof
US4662830A (en) * 1985-09-06 1987-05-05 Magnetic Peripherals Inc. Quiet centrifugal fan
US4724499A (en) * 1985-10-16 1988-02-09 International Business Machines Corporation Disk drive enclosure with an inclined parting surface
JP2865802B2 (en) * 1990-05-09 1999-03-08 株式会社日本コンラックス Information recording / reproducing device
DE60320366D1 (en) * 2003-02-27 2008-05-29 Tandberg Data Tape drive with blower on the rewind hub

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1572586A (en) * 1978-03-22 1980-07-30 Mfe Corp Disc drive system
US4163996A (en) * 1978-04-24 1979-08-07 Data General Corporation Rigid magnetic disc memory apparatus employing stepper motor drive and pivotable head support with temperature compensation
GB2075240B (en) * 1980-03-05 1985-03-13 Papst Motoren Kg Disc storage drive
WO1984001863A1 (en) * 1982-11-01 1984-05-10 Storage Technology Partners A brushless direct current motor with inverted magnet cup

Also Published As

Publication number Publication date
GB2142786A (en) 1985-01-23
GB8411729D0 (en) 1984-06-13
CA1259406A (en) 1989-09-12

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Legal Events

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

Effective date: 19940509