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GB2256975B - An electric drive motor - Google Patents

An electric drive motor

Info

Publication number
GB2256975B
GB2256975B GB9214564A GB9214564A GB2256975B GB 2256975 B GB2256975 B GB 2256975B GB 9214564 A GB9214564 A GB 9214564A GB 9214564 A GB9214564 A GB 9214564A GB 2256975 B GB2256975 B GB 2256975B
Authority
GB
United Kingdom
Prior art keywords
drive motor
electric drive
electric
motor
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 - Lifetime
Application number
GB9214564A
Other versions
GB9214564D0 (en
GB2256975A (en
Inventor
Heinrich Cap
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
Application filed by Papst Motoren GmbH and Co KG filed Critical Papst Motoren GmbH and Co KG
Publication of GB9214564D0 publication Critical patent/GB9214564D0/en
Publication of GB2256975A publication Critical patent/GB2256975A/en
Application granted granted Critical
Publication of GB2256975B publication Critical patent/GB2256975B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • 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
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2789—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/279—Magnets embedded in the magnetic core
    • 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
    • G11B19/2018—Incorporating means for passive damping of vibration, either in the turntable, motor or mounting
    • 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
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Brushless Motors (AREA)
GB9214564A 1988-06-09 1992-07-08 An electric drive motor Expired - Lifetime GB2256975B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8807530U DE8807530U1 (en) 1988-06-09 1988-06-09 Brushless external rotor motor

Publications (3)

Publication Number Publication Date
GB9214564D0 GB9214564D0 (en) 1992-08-19
GB2256975A GB2256975A (en) 1992-12-23
GB2256975B true GB2256975B (en) 1993-03-31

Family

ID=6824875

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8913364A Expired - Lifetime GB2221583B (en) 1988-06-09 1989-06-09 An electric drive motor
GB9214564A Expired - Lifetime GB2256975B (en) 1988-06-09 1992-07-08 An electric drive motor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8913364A Expired - Lifetime GB2221583B (en) 1988-06-09 1989-06-09 An electric drive motor

Country Status (3)

Country Link
DE (2) DE8807530U1 (en)
GB (2) GB2221583B (en)
HK (1) HK181996A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4143440C2 (en) * 1990-06-01 1999-08-26 Mitsubishi Electric Corp Electric motor with radial flux rotor
DE9017972U1 (en) * 1990-12-19 1993-07-01 Philips Patentverwaltung Gmbh, 2000 Hamburg Electrical household appliance
EP0826214B1 (en) * 1995-05-19 1999-07-14 Rubber-Tech, Inc. Disk drive assembly with vibration dampening characteristics
DE19746605A1 (en) * 1996-10-28 1998-06-10 Papst Motoren Gmbh & Co Kg DC motor stator insulation method
DE19652263A1 (en) * 1996-12-16 1998-06-18 Bosch Gmbh Robert Rotor for small electric motors
DE19733565A1 (en) * 1997-08-02 1999-02-04 Pm Dm Gmbh Spindle motor for hard drives with cup-shaped sleeve
DE19741977A1 (en) * 1997-09-23 1999-03-25 Pm Dm Gmbh Noise-damped spindle motor for hard disc memory
DE19748150B4 (en) * 1997-10-31 2006-02-23 Minebea Co., Ltd. Spindle motor with contacting
JP2000163859A (en) * 1998-11-24 2000-06-16 Fujitsu Ltd Recording disk drive and spindle motor
JP2000287429A (en) * 1999-03-31 2000-10-13 Jianzhun Electric Mach Ind Co Ltd Structure of brushless dc motor
DE10017398B4 (en) * 2000-04-07 2015-12-03 Continental Automotive Gmbh Electric machine
JP3749659B2 (en) * 2000-10-12 2006-03-01 建準電機工業股▲分▼有限公司 Balanced piece fixed structure of brushless DC motor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201931A (en) * 1976-10-06 1980-05-06 Carl Zeiss-Stiftung Apparatus for protecting the target of an image-producing tube from injuriously high local current densities
US4263526A (en) * 1978-04-10 1981-04-21 Nippon Soken, Inc. AC Generator with low noise claw tooth rotor
GB2127231A (en) * 1982-07-27 1984-04-04 Papst Motoren Gmbh & Co Kg Drive motor unit for signal-processing devices especially information-storage-disk devices
EP0167803A2 (en) * 1984-06-01 1986-01-15 Papst-Motoren GmbH & Co. KG Collectorless three phase d.c. motor
GB2180413A (en) * 1982-07-27 1987-03-25 Papst Motoren Gmbh & Co Kg Drive motor unit for signal-processing devices especially information-storage disk devices
GB2206002A (en) * 1987-06-19 1988-12-21 Mabuchi Motor Co Rotor poles designed to avoid vibration
EP0299855A1 (en) * 1987-07-09 1989-01-18 ETAT-FRANCAIS représenté par le DELEGUE GENERAL POUR L'ARMEMENT (DPAG) Process for reducing electromagnetic vibrations in electric machines, and machines using such a process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1319312A (en) * 1961-12-21 1963-03-01 Normacem Soc Manufacturing process of electric machines with flat airgap and lamellar windings
DE1613343B2 (en) * 1967-10-27 1977-12-29 Papst-Motoren Kg, 7742 St Georgen SOUND-ATTACHING HOUSING FOR AN ELECTRIC MOTOR
CH469404A (en) * 1968-01-26 1969-02-28 Ebauches Sa Frequency divider
DE227993C (en) * 1968-10-11
DE3347360C2 (en) * 1983-12-28 1995-04-13 Papst Motoren Gmbh & Co Kg Brushless external rotor DC motor
DE3622231A1 (en) * 1986-07-02 1988-01-07 Bosch Gmbh Robert Permanent-magnet rotor for electrical machines

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4201931A (en) * 1976-10-06 1980-05-06 Carl Zeiss-Stiftung Apparatus for protecting the target of an image-producing tube from injuriously high local current densities
US4263526A (en) * 1978-04-10 1981-04-21 Nippon Soken, Inc. AC Generator with low noise claw tooth rotor
GB2127231A (en) * 1982-07-27 1984-04-04 Papst Motoren Gmbh & Co Kg Drive motor unit for signal-processing devices especially information-storage-disk devices
GB2180413A (en) * 1982-07-27 1987-03-25 Papst Motoren Gmbh & Co Kg Drive motor unit for signal-processing devices especially information-storage disk devices
EP0167803A2 (en) * 1984-06-01 1986-01-15 Papst-Motoren GmbH & Co. KG Collectorless three phase d.c. motor
GB2206002A (en) * 1987-06-19 1988-12-21 Mabuchi Motor Co Rotor poles designed to avoid vibration
EP0299855A1 (en) * 1987-07-09 1989-01-18 ETAT-FRANCAIS représenté par le DELEGUE GENERAL POUR L'ARMEMENT (DPAG) Process for reducing electromagnetic vibrations in electric machines, and machines using such a process

Also Published As

Publication number Publication date
GB2221583B (en) 1993-02-24
GB9214564D0 (en) 1992-08-19
GB2256975A (en) 1992-12-23
GB2221583A (en) 1990-02-07
DE3918953C2 (en) 2001-02-08
DE3918953A1 (en) 1989-12-14
GB8913364D0 (en) 1989-07-26
DE8807530U1 (en) 1988-09-22
HK181996A (en) 1996-10-11

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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

Expiry date: 20090608