USRE32702F1 - Brushless d.c.motor assembly - Google Patents

Brushless d.c.motor assembly Download PDF

Info

Publication number
USRE32702F1
USRE32702F1 US62661184A USRE32702F1 US RE32702 F1 USRE32702 F1 US RE32702F1 US 62661184 A US62661184 A US 62661184A US RE32702 F1 USRE32702 F1 US RE32702F1
Authority
US
United States
Prior art keywords
brushless
motor assembly
assembly
motor
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
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.)
Papst Licensing GmbH and Co KG
Original Assignee
Ebm Papst St Georgen 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27090207&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=USRE32702(F1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ebm Papst St Georgen GmbH and Co KG filed Critical Ebm Papst St Georgen GmbH and Co KG
Priority to US06626611 priority Critical patent/USRE32702F1/en
Publication of USRE32702E publication Critical patent/USRE32702E/en
Application granted granted Critical
Publication of USRE32702F1 publication Critical patent/USRE32702F1/en
Assigned to PAPST LICENSING GMBH reassignment PAPST LICENSING GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PAPST-MOTOREN GMBH & CO KG
Assigned to PAPST LICENSING GMBH & CO. KG reassignment PAPST LICENSING GMBH & CO. KG LEGAL ORGANIZATION CHANGE Assignors: PAPST LICENSING GMBH
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
    • G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
    • 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
    • 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
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
US06626611 1978-11-03 1984-06-29 Brushless d.c.motor assembly Expired - Lifetime USRE32702F1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06626611 USRE32702F1 (en) 1978-11-03 1984-06-29 Brushless d.c.motor assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95776978A 1978-11-03 1978-11-03
US06626611 USRE32702F1 (en) 1978-11-03 1984-06-29 Brushless d.c.motor assembly

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
US95776978A Continuation 1978-11-03 1978-11-03
US06/154,542 Reissue US4337491A (en) 1978-11-03 1980-05-29 Brushless D.C. motor assembly

Publications (2)

Publication Number Publication Date
USRE32702E USRE32702E (en) 1988-06-21
USRE32702F1 true USRE32702F1 (en) 1991-03-05

Family

ID=27090207

Family Applications (1)

Application Number Title Priority Date Filing Date
US06626611 Expired - Lifetime USRE32702F1 (en) 1978-11-03 1984-06-29 Brushless d.c.motor assembly

Country Status (1)

Country Link
US (1) USRE32702F1 (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944212A1 (en) * 1978-11-03 1980-06-12 Papst Motoren Kg Brushless DC motor for magnetic disc drive - has control circuit mounted on annular plate carried by fixed motor part
US5060100A (en) * 1986-06-04 1991-10-22 Fujitsu Limited Magnetic disc device
US5774302A (en) * 1981-09-07 1998-06-30 Papst Licensing, Gmbh Spin drive motor for a disk storage device
US5877916A (en) * 1997-04-01 1999-03-02 Papst; Georg F. Disk storage device with stator-rotor positioning providing improved spindle torque and acceleration
US6005746A (en) * 1997-04-01 1999-12-21 Papst Licensing Gmbh & Co. Kg Disk storage device with improved spindle torque and acceleration
USRE37058E1 (en) 1980-05-10 2001-02-20 Papst Licensing Gmbh & Co. Kg Disk storage device having contamination seals
US6271988B1 (en) 1997-01-04 2001-08-07 Papst Licensing Gmbh & Co. Kg Disk storage device with improved spindle torque and acceleration
US6344946B1 (en) 1997-04-01 2002-02-05 Papst Licensing Gmbh Disk storage device with improved spindle torque and acceleration
US6456454B1 (en) 1999-10-12 2002-09-24 Seagate Technology Llc Head disc assembly having low internal air pressure
USRE38601E1 (en) 1980-05-10 2004-09-28 Papst Licensing, GmbH & Co. KG Disk storage device having a radial magnetic yoke feature
USRE38662E1 (en) 1980-05-10 2004-11-30 Papst Licensing Gmbh & Co. Kg Disk storage device having a sealed bearing tube
USRE38673E1 (en) 1980-05-10 2004-12-21 Papst Licensing Gmbh & Co. Kg Disk storage device having a hub sealing member feature

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899260A (en) * 1954-03-01 1959-08-11 Ttnttpn
DE1638216A1 (en) * 1968-02-07 1971-07-01 Hornstein Wolf Freiherr Von Brushless DC motor
US3740735A (en) * 1970-09-14 1973-06-19 Diablo Systems Inc Air circulation apparatus
DE2136170C2 (en) * 1971-07-20 1988-03-03 Papst-Motoren GmbH & Co KG, 7742 St Georgen Arrangement for strain relief of the connecting wires of small electric motors
US3953751A (en) * 1971-09-01 1976-04-27 Papst Motoren Kg Motor and mounting thereof
US3805134A (en) * 1971-09-18 1974-04-16 Victor Co Ltd Brushless dc motor using hall elements
DE2260069A1 (en) * 1972-12-08 1974-06-12 Papst Motoren Kg COLLECTROLLESS DC MOTOR
US4011475A (en) * 1973-06-23 1977-03-08 Papst-Motoren Kg Torque equalized brushless permanent magnet rotor motor
LU71180A1 (en) * 1974-10-25 1975-04-17
US4115715A (en) * 1974-04-08 1978-09-19 Papst-Motoren Kg Brushless d. c. motor
US4005490A (en) * 1975-05-15 1977-01-25 Sperry Rand Corporation Magnetic disc memory
DE2612464C2 (en) * 1976-03-24 1978-03-23 Papst-Motoren Kg, 7742 St Georgen Brushless DC motor
US4092687A (en) * 1976-09-07 1978-05-30 Sycor, Inc. Disc file assembly
US4101945A (en) * 1976-09-07 1978-07-18 Sycor, Inc. Drive spindle assembly for disc file
US4194225A (en) * 1978-06-06 1980-03-18 International Memories, Inc. Housing for disk drive unit

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2944212A1 (en) * 1978-11-03 1980-06-12 Papst Motoren Kg Brushless DC motor for magnetic disc drive - has control circuit mounted on annular plate carried by fixed motor part
USRE37058E1 (en) 1980-05-10 2001-02-20 Papst Licensing Gmbh & Co. Kg Disk storage device having contamination seals
USRE38673E1 (en) 1980-05-10 2004-12-21 Papst Licensing Gmbh & Co. Kg Disk storage device having a hub sealing member feature
USRE38662E1 (en) 1980-05-10 2004-11-30 Papst Licensing Gmbh & Co. Kg Disk storage device having a sealed bearing tube
USRE38601E1 (en) 1980-05-10 2004-09-28 Papst Licensing, GmbH & Co. KG Disk storage device having a radial magnetic yoke feature
USRE38179E1 (en) 1980-05-10 2003-07-08 Papst Licensing Gmbh & Co. Kg Disk storage device having a three-phase brushless DC underhub configured spindle motor
USRE38178E1 (en) 1980-05-10 2003-07-08 Papst Licensing Gmbh & Co. Kg Disk storage device having an underhub spindle motor
US5774302A (en) * 1981-09-07 1998-06-30 Papst Licensing, Gmbh Spin drive motor for a disk storage device
US5646800A (en) * 1986-06-04 1997-07-08 Fujitsu Limited Magnetic disc device having a lead wire retaining groove in the actuator arm
US5418666A (en) * 1986-06-04 1995-05-23 Fujitsu Limited Half-height magnetic disk device having a lead wire retaining groove in the actuator arm
US5060100A (en) * 1986-06-04 1991-10-22 Fujitsu Limited Magnetic disc device
US6271988B1 (en) 1997-01-04 2001-08-07 Papst Licensing Gmbh & Co. Kg Disk storage device with improved spindle torque and acceleration
US6344946B1 (en) 1997-04-01 2002-02-05 Papst Licensing Gmbh Disk storage device with improved spindle torque and acceleration
US6005746A (en) * 1997-04-01 1999-12-21 Papst Licensing Gmbh & Co. Kg Disk storage device with improved spindle torque and acceleration
US5877916A (en) * 1997-04-01 1999-03-02 Papst; Georg F. Disk storage device with stator-rotor positioning providing improved spindle torque and acceleration
US6456454B1 (en) 1999-10-12 2002-09-24 Seagate Technology Llc Head disc assembly having low internal air pressure

Also Published As

Publication number Publication date
USRE32702E (en) 1988-06-21

Similar Documents

Publication Publication Date Title
DE3172747D1 (en) Brushless d.c. motors
SG21690G (en) Collectorless d.c.motor
JPS5534899A (en) Step motor
SG56287G (en) Brushless de motor arrangement
NL188671C (en) ELECTRIC MOTOR.
DE3584663D1 (en) BRUSHLESS MOTOR.
USRE32702F1 (en) Brushless d.c.motor assembly
DE3273059D1 (en) Brushless d. c. motor
NL187141C (en) ELECTRIC MOTOR.
NL193127B (en) Brushless DC motor.
AU555704B2 (en) Submersible d.c. motor
JPS55103069A (en) Improved brushless dc motor assembly
GB2111331B (en) Brushless d c motor
IT7921928A0 (en) ELECTRIC MOTOR.
ES268170Y (en) SMALL ELECTRIC MOTOR.
DE3581429D1 (en) BRUSHLESS MOTOR.
JPS54161005A (en) Small motor
GB2014373B (en) -c commutator motor
JPS5549953A (en) External rotor type motor
AU526776B2 (en) Circuit for a brushless d.c. motor
JPS5588543A (en) Commutator motor
JPS54163311A (en) Commutatorless motor
JPS54154007A (en) Stator for small motor
JPS5346617A (en) Brushless motor
JPS54134303A (en) Stator assembly

Legal Events

Date Code Title Description
AS Assignment

Owner name: PAPST LICENSING GMBH, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PAPST-MOTOREN GMBH & CO KG;REEL/FRAME:006573/0174

Effective date: 19930526

AS Assignment

Owner name: PAPST LICENSING GMBH & CO. KG, GERMANY

Free format text: LEGAL ORGANIZATION CHANGE;ASSIGNOR:PAPST LICENSING GMBH;REEL/FRAME:009922/0250

Effective date: 19981103