CN1128940C - 具有多个止推板的两端开口的流体动力轴承 - Google Patents
具有多个止推板的两端开口的流体动力轴承 Download PDFInfo
- Publication number
- CN1128940C CN1128940C CN97197348A CN97197348A CN1128940C CN 1128940 C CN1128940 C CN 1128940C CN 97197348 A CN97197348 A CN 97197348A CN 97197348 A CN97197348 A CN 97197348A CN 1128940 C CN1128940 C CN 1128940C
- Authority
- CN
- China
- Prior art keywords
- axle
- thrust plate
- bearing
- sleeve pipe
- gap
- 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 - Fee Related
Links
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
- F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/109—Lubricant compositions or properties, e.g. viscosity
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2370/00—Apparatus relating to physics, e.g. instruments
- F16C2370/12—Hard disk drives or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4417197P | 1997-04-23 | 1997-04-23 | |
US60/044,171 | 1997-04-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1228186A CN1228186A (zh) | 1999-09-08 |
CN1128940C true CN1128940C (zh) | 2003-11-26 |
Family
ID=21930885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97197348A Expired - Fee Related CN1128940C (zh) | 1997-04-23 | 1997-12-19 | 具有多个止推板的两端开口的流体动力轴承 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6069767A (zh) |
JP (1) | JP4077043B2 (zh) |
CN (1) | CN1128940C (zh) |
DE (1) | DE19781839T1 (zh) |
GB (1) | GB2330181B (zh) |
HK (1) | HK1018498A1 (zh) |
WO (1) | WO1998048422A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6313967B1 (en) * | 1999-08-03 | 2001-11-06 | Maxtor Corporation | Disk drive spindle air bearing |
US6483215B1 (en) | 1999-10-13 | 2002-11-19 | Maxtor Corporation | Hybrid air/fluid bearing |
US6746151B2 (en) * | 2002-01-14 | 2004-06-08 | Seagate Technology Llc | Parallel capillary seal for a disk drive |
KR100679794B1 (ko) * | 2002-06-03 | 2007-02-06 | 시게이트 테크놀로지 엘엘씨 | 디스크 드라이브 모터 및 디스크 드라이브 모터용 유체 베어링 시스템 |
US7213972B2 (en) * | 2002-07-01 | 2007-05-08 | Seagate Technology Llc | Non-recirculating conical fluid dynamic bearing for an electric motor |
US8562222B2 (en) * | 2005-06-24 | 2013-10-22 | Seagate Technology Llc | Hub and spindle assembly |
JP5717953B2 (ja) * | 2009-06-02 | 2015-05-13 | サムスン電機ジャパンアドバンスドテクノロジー株式会社 | ディスク駆動装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4795275A (en) * | 1987-08-12 | 1989-01-03 | Digital Equipment Corporation | Hydrodynamic bearing |
US5457588A (en) * | 1992-09-22 | 1995-10-10 | Nippon Densan Corporation | Low profile hydrodynamic motor having minimum leakage properties |
US5433529A (en) * | 1994-08-02 | 1995-07-18 | Synektron Corporation | Fluid bearing construction employing thrust plate with pressure compensation ports |
US5590003A (en) * | 1995-03-08 | 1996-12-31 | Seagate Technology, Inc. | Hydrodynamic spindle motor having distributed windings |
US5559651A (en) * | 1995-04-12 | 1996-09-24 | Seagate Technology, Inc. | Magnetic disc storage system with hydrodynamic bearing |
US5580175A (en) * | 1995-09-07 | 1996-12-03 | Quantum Corporation | Bearing with particle trap |
JP3558768B2 (ja) * | 1995-12-26 | 2004-08-25 | 日本電産株式会社 | 動圧流体軸受を備えたモータ |
-
1997
- 1997-12-19 DE DE19781839T patent/DE19781839T1/de not_active Withdrawn
- 1997-12-19 CN CN97197348A patent/CN1128940C/zh not_active Expired - Fee Related
- 1997-12-19 WO PCT/US1997/024261 patent/WO1998048422A1/en active IP Right Grant
- 1997-12-19 JP JP54567898A patent/JP4077043B2/ja not_active Expired - Fee Related
- 1997-12-19 US US09/043,065 patent/US6069767A/en not_active Expired - Lifetime
- 1997-12-19 GB GB9828555A patent/GB2330181B/en not_active Expired - Fee Related
-
1999
- 1999-08-13 HK HK99103517A patent/HK1018498A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP4077043B2 (ja) | 2008-04-16 |
GB9828555D0 (en) | 1999-02-17 |
WO1998048422A1 (en) | 1998-10-29 |
CN1228186A (zh) | 1999-09-08 |
JP2000515232A (ja) | 2000-11-14 |
GB2330181A (en) | 1999-04-14 |
GB2330181B (en) | 2001-04-11 |
DE19781839T1 (de) | 1999-07-08 |
HK1018498A1 (en) | 1999-12-24 |
US6069767A (en) | 2000-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Applicant after: Seagate Technology, Inc. Applicant before: Sichater Tehc. Co., Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: SEAGATE TECHNOLOGY, INC. TO: SEAGATE TECHNOLOGY LLC |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SEAGATE TECHNOLOGY SCIENCE & TECHNOLOGY CO., LTD. Free format text: FORMER NAME OR ADDRESS: SEAGATE TECHNOLOGY LLC |
|
CP03 | Change of name, title or address |
Address after: American California Patentee after: Seagate Technology LLC Address before: American California Patentee before: Seagate Technology, Inc. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031126 Termination date: 20151219 |
|
EXPY | Termination of patent right or utility model |