JPH0528594Y2 - - Google Patents
Info
- Publication number
- JPH0528594Y2 JPH0528594Y2 JP1986185521U JP18552186U JPH0528594Y2 JP H0528594 Y2 JPH0528594 Y2 JP H0528594Y2 JP 1986185521 U JP1986185521 U JP 1986185521U JP 18552186 U JP18552186 U JP 18552186U JP H0528594 Y2 JPH0528594 Y2 JP H0528594Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- housing
- magnetic disk
- hole
- drive magnet
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 239000003566 sealing material Substances 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- 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
-
- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rotational Drive Of Disk (AREA)
- Brushless Motors (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986185521U JPH0528594Y2 (US07122547-20061017-C00032.png) | 1986-12-03 | 1986-12-03 | |
US07/128,240 US4818907A (en) | 1986-12-03 | 1987-12-03 | Brushless motor for driving magnetic disks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986185521U JPH0528594Y2 (US07122547-20061017-C00032.png) | 1986-12-03 | 1986-12-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6391858U JPS6391858U (US07122547-20061017-C00032.png) | 1988-06-14 |
JPH0528594Y2 true JPH0528594Y2 (US07122547-20061017-C00032.png) | 1993-07-22 |
Family
ID=16172246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986185521U Expired - Lifetime JPH0528594Y2 (US07122547-20061017-C00032.png) | 1986-12-03 | 1986-12-03 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4818907A (US07122547-20061017-C00032.png) |
JP (1) | JPH0528594Y2 (US07122547-20061017-C00032.png) |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5243242A (en) * | 1987-05-29 | 1993-09-07 | Papst-Motoren Gmbh & Co. Kg | In-hub motor |
USRE37638E1 (en) | 1987-05-29 | 2002-04-09 | Papst Licensing, Gmbh | Magnetic hard disk storage device |
JPH0747982Y2 (ja) * | 1988-06-29 | 1995-11-01 | 日本電産株式会社 | インハブ型ブラシレススピンドルモータ |
JPH0287959A (ja) * | 1988-09-22 | 1990-03-28 | Mitsubishi Electric Corp | ブラシレスモータ |
JP2586305Y2 (ja) * | 1988-12-29 | 1998-12-02 | 株式会社三協精機製作所 | 磁気ディスク駆動モータ |
US4985792A (en) * | 1989-03-06 | 1991-01-15 | Seagate Technology, Inc. | Disk drive spindle motor with externally mounted flux concentrator ring |
US5061868A (en) * | 1989-09-25 | 1991-10-29 | Nippon Densan Corporation | Spindle motor |
CA2027225A1 (en) | 1989-10-27 | 1991-04-28 | Donald James Macleod | Spindle motor assembly for disc drives |
US5235482A (en) * | 1989-11-09 | 1993-08-10 | Rodime Plc | Magnetic disk drive incorporating a mechanically damped base |
US5142174A (en) * | 1990-03-16 | 1992-08-25 | Ide Russell D | Low-profile disk drive motor with deflecting-pad bearings |
US5013947A (en) * | 1990-03-16 | 1991-05-07 | Russell Ide | Low-profile disk drive motor |
US5274288A (en) * | 1990-06-01 | 1993-12-28 | Conner Peripherals, Inc. | Low noise spin motor for use in disk drive |
US5091809A (en) * | 1990-07-31 | 1992-02-25 | Seagate Technology, Inc. | Disc drive with small air gap between back iron and spindle hub |
US5148338A (en) * | 1990-11-14 | 1992-09-15 | Digital Equipment Corporation | Disk drive spindle hub assembly |
US5245234A (en) * | 1990-12-28 | 1993-09-14 | Nippon Densan Corporation | Motor |
JPH04132653U (ja) * | 1991-05-20 | 1992-12-09 | テイアツク株式会社 | デイスク装置 |
FR2684760A1 (fr) * | 1991-12-06 | 1993-06-11 | Valeo Systemes Dessuyage | Dispositif de mesure de la position angulaire instantanee d'une partie tournante, et machine electrodynamique equipee d'un tel dispositif. |
JPH05207718A (ja) * | 1992-01-24 | 1993-08-13 | Nippon Densan Corp | 直流モータ |
US5729404A (en) * | 1993-09-30 | 1998-03-17 | Seagate Technology, Inc. | Disc drive spindle motor with rotor isolation and controlled resistance electrical pathway from disc to ground |
US5485331A (en) * | 1993-09-30 | 1996-01-16 | Seagate Technology, Inc. | High resistivity bearing balls for spindle motor isolation |
US5877918A (en) * | 1994-09-02 | 1999-03-02 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Disk driving device with hub flange secured between yoke and drive magnet |
JP3317479B2 (ja) * | 1996-11-13 | 2002-08-26 | ミネベア株式会社 | ステッピングモータ |
DE19724009A1 (de) * | 1997-06-09 | 1998-12-10 | Bosch Gmbh Robert | Verstellantrieb, insbesondere für ein Schiebedach eines Kraftfahrzeugs |
GB2355598B (en) * | 1999-10-08 | 2004-06-02 | Nmb | An external rotor brushless DC motor |
JP4427866B2 (ja) * | 1999-12-17 | 2010-03-10 | アイシン・エィ・ダブリュ株式会社 | モータ |
JP2002227862A (ja) * | 2001-01-29 | 2002-08-14 | Nsk Ltd | 転がり軸受装置 |
EP1271752A1 (en) * | 2001-06-13 | 2003-01-02 | HSU, Chun-Pu | Device for increasing the rotation speed of a permanent magnet motor |
JP2003052146A (ja) * | 2001-08-06 | 2003-02-21 | Sankyo Seiki Mfg Co Ltd | 周面対向型モータ |
US6944906B2 (en) | 2002-05-15 | 2005-09-20 | Trico Products Corporation | Direct drive windshield wiper assembly |
US7676880B2 (en) * | 2002-05-15 | 2010-03-16 | Trico Products Corporation | Direct drive windshield wiper assembly |
US7291949B2 (en) * | 2003-08-06 | 2007-11-06 | Delta Electronics, Inc. | Mounting structure for motor controller of heat-dissipating device |
DE102004004227A1 (de) * | 2004-01-28 | 2005-08-18 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Kollektorloser Gleichstrommotor |
JP4468033B2 (ja) * | 2004-03-22 | 2010-05-26 | アスモ株式会社 | 車両用エンジンのバルブタイミング可変装置用電動機 |
US7483237B2 (en) * | 2004-04-16 | 2009-01-27 | Seagate Technology Llc | Composite base plate for a data storage device having an integral printed circuit board |
JP2006187061A (ja) * | 2004-12-27 | 2006-07-13 | Matsushita Electric Ind Co Ltd | スピンドルモータ |
US8089721B1 (en) * | 2005-11-22 | 2012-01-03 | Seagate Technology Llc | Hermetic seal for discrete opening in disk drive housing |
US8320072B2 (en) * | 2006-10-02 | 2012-11-27 | Hitachi Global Storage Technologies, Netherlands B.V. | Sealing an enclosure for a disk drive form factor |
JP5015825B2 (ja) * | 2008-03-03 | 2012-08-29 | ミネベアモータ株式会社 | ディスク駆動装置 |
US9194726B2 (en) * | 2010-12-17 | 2015-11-24 | Aktiebolaget Skf | Support member, detection set comprising such a support member, manufacturing method of such a detection set and bearing assembly including such a detection set |
JP5306384B2 (ja) * | 2011-02-04 | 2013-10-02 | キヤノン株式会社 | モータ |
JP5385929B2 (ja) * | 2011-02-15 | 2014-01-08 | シナノケンシ株式会社 | ファンモータ |
CN103227547B (zh) * | 2012-01-26 | 2016-12-28 | 阿斯莫株式会社 | 马达以及无刷马达 |
JP5697627B2 (ja) * | 2012-04-09 | 2015-04-08 | 三菱電機株式会社 | 電動機及び換気扇 |
CN105022460B (zh) * | 2014-04-18 | 2018-09-04 | 台达电子工业股份有限公司 | 薄型化散热风扇 |
US20180066664A1 (en) | 2014-04-18 | 2018-03-08 | Delta Electronics, Inc. | Thin cooling fan |
JP6235537B2 (ja) * | 2015-07-17 | 2017-11-22 | ファナック株式会社 | 検出部の位置調整が可能な磁気式センサ、およびこれを備えた電動機 |
CN108475966B (zh) * | 2016-01-14 | 2021-04-20 | Lg伊诺特有限公司 | 风扇马达 |
US20170356455A1 (en) * | 2016-06-08 | 2017-12-14 | Nidec Corporation | Blower apparatus |
JPWO2018025986A1 (ja) * | 2016-08-05 | 2019-06-06 | 日本電産株式会社 | モータ |
WO2018025984A1 (ja) * | 2016-08-05 | 2018-02-08 | 日本電産株式会社 | モータおよび軸流ファン |
KR102583066B1 (ko) * | 2018-04-10 | 2023-09-27 | 엘지이노텍 주식회사 | 모터 |
KR20200050764A (ko) * | 2018-11-02 | 2020-05-12 | 엘지이노텍 주식회사 | 모터 |
JP7330143B2 (ja) * | 2020-06-25 | 2023-08-21 | 株式会社東芝 | ディスク装置 |
JP7286594B2 (ja) | 2020-07-30 | 2023-06-05 | 株式会社東芝 | ディスク装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2918329A1 (de) * | 1979-05-07 | 1980-12-04 | Papst Motoren Kg | Verfahren zum befestigen eines galvanomagnetischen sensors in einer ausnehmung einer leiterplatte |
US4725904A (en) * | 1981-10-05 | 1988-02-16 | Tandon Corporation | Magnetic disk memory apparatus with improved contamination control |
JPS58115864U (ja) * | 1982-01-27 | 1983-08-08 | 三菱電機株式会社 | 車両用充電発電機 |
-
1986
- 1986-12-03 JP JP1986185521U patent/JPH0528594Y2/ja not_active Expired - Lifetime
-
1987
- 1987-12-03 US US07/128,240 patent/US4818907A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4818907A (en) | 1989-04-04 |
JPS6391858U (US07122547-20061017-C00032.png) | 1988-06-14 |