GB2180413B - Drive motor unit for signal-processing devices especially information-storage disk devices - Google Patents

Drive motor unit for signal-processing devices especially information-storage disk devices

Info

Publication number
GB2180413B
GB2180413B GB868622522A GB8622522A GB2180413B GB 2180413 B GB2180413 B GB 2180413B GB 868622522 A GB868622522 A GB 868622522A GB 8622522 A GB8622522 A GB 8622522A GB 2180413 B GB2180413 B GB 2180413B
Authority
GB
United Kingdom
Prior art keywords
signal
drive motor
motor unit
storage disk
especially information
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
GB868622522A
Other versions
GB2180413A (en
GB8622522D0 (en
Inventor
Alfred Merkle
Georg Moosmann
Rolf Muller
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.)
Ebm Papst St Georgen GmbH and Co KG
Original Assignee
Papst Motoren GmbH and Co KG
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
Priority claimed from GB08320254A external-priority patent/GB2127231B/en
Application filed by Papst Motoren GmbH and Co KG filed Critical Papst Motoren GmbH and Co KG
Publication of GB8622522D0 publication Critical patent/GB8622522D0/en
Publication of GB2180413A publication Critical patent/GB2180413A/en
Application granted granted Critical
Publication of GB2180413B publication Critical patent/GB2180413B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
    • H02K11/014—Shields associated with stationary parts, e.g. stator cores
    • H02K11/0141—Shields associated with casings, enclosures or brackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/225—Detecting coils
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/40—Structural association with grounding devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/12—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using detecting coils using the machine windings as detecting coil
    • 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
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/124—Sealing of shafts
    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021—Magnetically influenced friction brakes
    • H02K7/1023—Magnetically influenced friction brakes using electromagnets
    • H02K7/1025—Magnetically influenced friction brakes using electromagnets using axial electromagnets with generally annular air gap

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Rotational Drive Of Disk (AREA)
GB868622522A 1982-07-27 1986-09-19 Drive motor unit for signal-processing devices especially information-storage disk devices Expired GB2180413B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE3227947 1982-07-27
DE3227946 1982-07-27
DE3227948 1982-07-27
GB08320254A GB2127231B (en) 1982-07-27 1983-07-27 Drive motor unit for signal-processing devices especially information-storage-disk devices
GB08601006A GB2169149B (en) 1982-07-27 1986-01-16 Drive motor unit for information-storage disk devices

Publications (3)

Publication Number Publication Date
GB8622522D0 GB8622522D0 (en) 1986-10-22
GB2180413A GB2180413A (en) 1987-03-25
GB2180413B true GB2180413B (en) 1987-09-23

Family

ID=27510726

Family Applications (1)

Application Number Title Priority Date Filing Date
GB868622522A Expired GB2180413B (en) 1982-07-27 1986-09-19 Drive motor unit for signal-processing devices especially information-storage disk devices

Country Status (2)

Country Link
GB (1) GB2180413B (en)
SG (1) SG76890G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8807530U1 (en) * 1988-06-09 1988-09-22 Papst-Motoren GmbH & Co KG, 7742 St Georgen Brushless external rotor motor
DE4001257A1 (en) * 1990-01-18 1991-07-25 Thomson Brandt Gmbh Radial and axial play elimination arrangement for CD player - allows magnetic force to act between disc and circle segment on fixed retainer that guides spindle
MY109288A (en) * 1990-06-01 1996-12-31 Mitsubishi Electric Corp Electric motor
TR24847A (en) * 1991-01-28 1992-05-01 Thomson Brandt Gmbh A DEVICE USED TO REMOVE AXIAL AND RADIAL SPACE OF A ROTARY AXIS
CN203387367U (en) * 2013-07-18 2014-01-08 日本电产株式会社 External rotor type motor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602750A (en) * 1945-07-16 1948-06-02 Eric John Ward Watkinson Improvements in or relating to x-ray tubes
US3304527A (en) * 1965-04-26 1967-02-14 Ibm Magnetic holding and aligning device
GB1215604A (en) * 1967-01-17 1970-12-16 Manfred Zipperer Vibrator or shaker
US3691542A (en) * 1970-11-02 1972-09-12 Diablo Systems Inc Magnetic memory disk drive apparatus with reduced r. f. noise
GB1516678A (en) * 1975-06-20 1978-07-05 Ibm Transducer support and actuator for disc recording and/or reproducing apparatus
GB2034955B (en) * 1978-07-05 1982-12-15 Universal Pioneer Corp Disc-record clamping device
GB2056747B (en) * 1978-07-05 1983-01-06 Universal Pioneer Corp Disc record clamping device

Also Published As

Publication number Publication date
GB2180413A (en) 1987-03-25
SG76890G (en) 1990-11-23
GB8622522D0 (en) 1986-10-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20030726