SG76890G - Information-storage disk drive assembles - Google Patents

Information-storage disk drive assembles

Info

Publication number
SG76890G
SG76890G SG90768A SG76890A SG76890G SG 76890 G SG76890 G SG 76890G SG 90768 A SG90768 A SG 90768A SG 76890 A SG76890 A SG 76890A SG 76890 G SG76890 G SG 76890G
Authority
SG
Singapore
Prior art keywords
information
disk drive
storage disk
assembles
drive assembles
Prior art date
Application number
SG90768A
Original Assignee
Papst Motoren Gmbh & 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 & Co Kg filed Critical Papst Motoren Gmbh & Co Kg
Publication of SG76890G publication Critical patent/SG76890G/en

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
SG90768A 1982-07-27 1990-09-19 Information-storage disk drive assembles SG76890G (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE3227946 1982-07-27
DE3227947 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 (1)

Publication Number Publication Date
SG76890G true SG76890G (en) 1990-11-23

Family

ID=27510726

Family Applications (1)

Application Number Title Priority Date Filing Date
SG90768A SG76890G (en) 1982-07-27 1990-09-19 Information-storage disk drive assembles

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, De
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
FR1564549A (en) * 1967-01-17 1969-04-25
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
GB8622522D0 (en) 1986-10-22
GB2180413B (en) 1987-09-23

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