DE3885878T2 - Hydrodynamisches lager und verfahren zur zufuhr von schmiermittel ins lager. - Google Patents
Hydrodynamisches lager und verfahren zur zufuhr von schmiermittel ins lager.Info
- Publication number
- DE3885878T2 DE3885878T2 DE88907927T DE3885878T DE3885878T2 DE 3885878 T2 DE3885878 T2 DE 3885878T2 DE 88907927 T DE88907927 T DE 88907927T DE 3885878 T DE3885878 T DE 3885878T DE 3885878 T2 DE3885878 T2 DE 3885878T2
- Authority
- DE
- Germany
- Prior art keywords
- bearing
- hydrodynamic
- supplying lubricants
- lubricants
- supplying
- 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
Classifications
-
- 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
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/107—Grooves for generating 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
- 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
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
-
- 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
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
-
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/084,985 US4795275A (en) | 1987-08-12 | 1987-08-12 | Hydrodynamic bearing |
PCT/US1988/002781 WO1989001573A1 (en) | 1987-08-12 | 1988-08-12 | Hydrodynamic bearing and a method for introducing lubricant into the bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3885878D1 DE3885878D1 (de) | 1994-01-05 |
DE3885878T2 true DE3885878T2 (de) | 1994-04-28 |
Family
ID=22188448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88907927T Expired - Fee Related DE3885878T2 (de) | 1987-08-12 | 1988-08-12 | Hydrodynamisches lager und verfahren zur zufuhr von schmiermittel ins lager. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4795275A (de) |
EP (1) | EP0327638B1 (de) |
JP (2) | JPH02501846A (de) |
CA (1) | CA1337662C (de) |
DE (1) | DE3885878T2 (de) |
WO (1) | WO1989001573A1 (de) |
Families Citing this family (61)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0384762B1 (de) * | 1989-02-24 | 1995-04-26 | Conner Peripherals, Inc. | Nasses Festplatten-Laufwerk mit einem konischen Spindellager |
IL94955A0 (en) * | 1990-07-03 | 1991-06-10 | Msb Technologies Ltd | Spindle assembly |
US5200866A (en) * | 1991-04-09 | 1993-04-06 | Digital Equipment Corporation | Motorized spindle for disk drive |
US5246294A (en) * | 1991-05-30 | 1993-09-21 | Digital Equipment Corporation | Flow-regulating hydrodynamic bearing |
DE69125836T2 (de) * | 1991-11-14 | 1997-12-18 | Quantum Corp | Spindel- und Nabenausrüstung |
JP3099033B2 (ja) * | 1992-01-30 | 2000-10-16 | 株式会社荏原製作所 | 軸受装置 |
US5328271A (en) * | 1992-05-06 | 1994-07-12 | Maxtor Corporation | Hydrodynamic spindle bearing for ultra-slim disk storage unit |
WO1994011879A1 (en) * | 1992-11-13 | 1994-05-26 | Conner Peripherals, Inc. | Lubricated disk drive |
US5328270A (en) * | 1993-03-25 | 1994-07-12 | International Business Machines Corporation | Hydrodynamic pump |
JPH08105445A (ja) | 1994-07-22 | 1996-04-23 | Quantum Corp | 非分離形流体ベアリング装置および非分離形流体ベアリングディスクスピンドルアセンブリ |
US5558443A (en) * | 1994-07-22 | 1996-09-24 | Quantum Corporation | Shaft seal for hydrodynamic bearing unit |
US5558445A (en) * | 1994-07-22 | 1996-09-24 | Quantum Corporation | Self-contained hydrodynamic bearing unit and seals |
US5524986A (en) * | 1994-08-02 | 1996-06-11 | Seagate Technology, Inc. | Fluid retention principles for hydrodynamic bearings |
US5423612A (en) * | 1994-09-16 | 1995-06-13 | Quantum Corp. | Hydrodynamic bearing and seal |
US5533811A (en) * | 1995-02-14 | 1996-07-09 | Quantum Corporation | Hydrodynamic bearing having inverted surface tension seals |
JP3547844B2 (ja) * | 1995-03-31 | 2004-07-28 | 日本電産株式会社 | 流体動圧軸受 |
KR970704972A (ko) * | 1995-05-09 | 1997-09-06 | 데이비드 비. 해리슨 | 수력학 베어링과 그에 의해 만들어진 보조 밀봉 주조의 세척을 용이하게 하는 코팅 시스템 및 방법 |
US5536088A (en) * | 1995-06-07 | 1996-07-16 | Synektron Corporation | Fluid bearings for electronic spindle motors |
US5524728A (en) * | 1995-06-28 | 1996-06-11 | Quantum Corporation | Method and apparatus for applying lubricant to a hydrodynamic bearing |
US5601125A (en) * | 1995-07-18 | 1997-02-11 | Seagate Technology, Inc. | Vacuum fill technique for hydrodynamic bearing |
US5634724A (en) * | 1995-08-25 | 1997-06-03 | Quantum Corporation | Hydrodynamic bearing for spindle motor having high inertial load |
US5876124A (en) * | 1995-08-25 | 1999-03-02 | Quantum Corporation | Hydrodynamic bearing unit |
US5580175A (en) * | 1995-09-07 | 1996-12-03 | Quantum Corporation | Bearing with particle trap |
US5540504A (en) * | 1995-09-07 | 1996-07-30 | Quantum Corporation | Shock resistant bearing |
US5516212A (en) * | 1995-09-18 | 1996-05-14 | Western Digital Corporation | Hydrodynamic bearing with controlled lubricant pressure distribution |
DE29618885U1 (de) * | 1995-11-02 | 1997-02-13 | Papst Motoren Gmbh & Co Kg | Gleitlagerung für eine Welle |
US5806987A (en) * | 1996-02-07 | 1998-09-15 | Sankyo Seiki Mfg. Co., Ltd. | Hydrodynamic bearing apparatus |
JPH09222121A (ja) * | 1996-02-16 | 1997-08-26 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
US5718516A (en) * | 1996-04-02 | 1998-02-17 | Sae Magnetics (H.K.) Ltd. | Spindle motors with hard coated hydrodynamic bearings |
US6108909A (en) * | 1996-07-02 | 2000-08-29 | Sae Magnetics (H.K.) Ltd. | Groove forming processes for shaft outer diameter |
US6144523A (en) * | 1996-12-20 | 2000-11-07 | Seagate Technology Llc | Simplified conical bearing with independent flow paths |
US5847479A (en) * | 1997-04-15 | 1998-12-08 | Sae Magnetics (H.K.) Ltd. | Self-pressure-balanced hydrodynamic bearing spindle motor |
JP4077043B2 (ja) * | 1997-04-23 | 2008-04-16 | シーゲイト テクノロジー エルエルシー | 複数のスラストプレートを具えた流体軸受付きのスピンドル・モータ |
US6296391B1 (en) | 1997-06-09 | 2001-10-02 | Sankyo Seiki Mfg. Co., Ltd. | Hydrodynamic bearing apparatus |
JP3646957B2 (ja) * | 1997-09-05 | 2005-05-11 | 光洋精工株式会社 | 流体軸受 |
JPH11218128A (ja) * | 1998-01-30 | 1999-08-10 | Seiko Instruments Inc | スピンドルモータ及び回転体装置 |
JP3579258B2 (ja) | 1998-06-18 | 2004-10-20 | 日本電産株式会社 | モータおよびその製造方法 |
JP2001187920A (ja) * | 1998-12-24 | 2001-07-10 | Nsk Ltd | スピンドルモータ |
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 |
JP2002130283A (ja) * | 2000-10-25 | 2002-05-09 | Nsk Ltd | 動圧軸受装置 |
JP3972173B2 (ja) * | 2001-01-19 | 2007-09-05 | 株式会社ジェイテクト | 動圧軸受の製造装置および製造方法 |
US6907769B2 (en) | 2001-12-20 | 2005-06-21 | Seagate Technology Llc | Apparatus and method for detecting air contamination in fluid dynamic bearings |
US7016146B2 (en) * | 2002-03-12 | 2006-03-21 | Minebea Co., Ltd. | Low power spindle motor with a fluid dynamic spool bearing |
US20030190100A1 (en) * | 2002-04-05 | 2003-10-09 | Grantz Alan L. | Radial capillary seal for fluid dynamic bearing motors |
US7048520B1 (en) | 2002-04-16 | 2006-05-23 | Mccarthy James | Multistage sealed coolant pump |
US20030234589A1 (en) * | 2002-06-21 | 2003-12-25 | Parsoneault Norbert Steven | Rotor limiter for fluid dynamic bearing motor |
US7422370B2 (en) * | 2002-08-06 | 2008-09-09 | Seagate Technology Llc | Hydraulic compensation for magnetically biased fluid dynamic bearing motor |
US7063462B2 (en) * | 2002-08-19 | 2006-06-20 | Seagate Technology Llc | Asymmetry pressure regulation and check valve device for fluid dynamic bearing |
US7407327B2 (en) * | 2003-03-21 | 2008-08-05 | Seagate Technology Llc | Method and system for withstanding shock in a spindle motor bearing |
US7372663B2 (en) * | 2004-03-19 | 2008-05-13 | Seagate Technology Llc | Lubricated limiter for fluid dynamic bearing motor |
US20060039636A1 (en) * | 2004-08-20 | 2006-02-23 | Kura Laboratories Corporation | Fluid dynamic bearing motor attached at both shaft ends |
JP2006283964A (ja) * | 2004-08-20 | 2006-10-19 | Kura Gijutsu Kenkyusho:Kk | 軸固定型動圧流体軸受モータ及び記録ディスク装置 |
US7675210B2 (en) * | 2005-03-11 | 2010-03-09 | Panasonic Corporation | Hydrodynamic bearing and method for manufacturing the same, and spindle motor and method for manufacturing the same |
KR100797725B1 (ko) | 2006-03-15 | 2008-01-23 | 삼성전기주식회사 | 유체동압베어링의 유체충전장치 및 충전방법 |
DE102007005111B4 (de) * | 2007-02-01 | 2009-07-09 | BSH Bosch und Siemens Hausgeräte GmbH | Gleitlager für ein Haushaltsgerät |
US7758320B2 (en) | 2007-05-03 | 2010-07-20 | Tank, Inc. | Two-stage hydrodynamic pump and method |
DE102009017700A1 (de) * | 2009-04-15 | 2010-10-21 | Minebea Co., Ltd. | Fluiddynamisches Lagersystem und Spindelmotor mit einem solchen Lagersystem |
US11473266B2 (en) | 2018-03-28 | 2022-10-18 | Caterpillar Inc. | Articulation joint for a machine |
DE102020114273A1 (de) | 2020-05-28 | 2021-12-02 | Minebea Mitsumi Inc. | Fluiddynamisches Lagersystem |
EP4039994A1 (de) * | 2021-02-08 | 2022-08-10 | Goodrich Actuation Systems Limited | Drucklagerabdichtung für dünnschicht-rga mit mehreren schnittbildern |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US427684A (en) * | 1890-05-13 | Statio n | ||
US310950A (en) * | 1885-01-20 | kaldenberg | ||
US2325283A (en) * | 1939-01-30 | 1943-07-27 | Judson S Swearingen | Lubricating seal |
US3107950A (en) * | 1961-01-04 | 1963-10-22 | Rosemount Eng Co Ltd | Bearing |
US3325231A (en) * | 1963-10-10 | 1967-06-13 | Webcor Inc | Miniature motor bearing |
NL6512869A (de) * | 1965-10-05 | 1967-04-06 | ||
NL6704587A (de) * | 1967-03-31 | 1968-10-01 | ||
US3726574A (en) * | 1971-08-13 | 1973-04-10 | Litton Systems Inc | Ferrohydrodynamic low-friction bearing with volume compensation |
US3746407A (en) * | 1971-08-13 | 1973-07-17 | Litton Systems Inc | Ferrohydrodynamic low friction bearing |
US4043612A (en) * | 1975-06-06 | 1977-08-23 | Ampex Corporation | Bearing structure |
US3998501A (en) * | 1976-02-17 | 1976-12-21 | Cyphelly Ivan J | Shaft locating arrangement |
US4274684A (en) * | 1978-03-24 | 1981-06-23 | Richfield Steven E | Permanently lubricated bearing |
US4254961A (en) * | 1979-04-30 | 1981-03-10 | Litton Systems, Inc. | Seal for fluid bearings |
US4444398A (en) * | 1983-02-22 | 1984-04-24 | Ferrofluidics Corporation | Self-activating ferrofluid seal apparatus and method |
US4526484A (en) * | 1983-09-21 | 1985-07-02 | Ferrofluidics Corporation | Ferrofluid thrust and radial bearing assembly |
US4630943A (en) * | 1983-10-27 | 1986-12-23 | Ferrofluidics Corporation | Ferrofluid bearing and seal apparatus |
US4565379A (en) * | 1984-05-26 | 1986-01-21 | Gmn Georg Muller Nurnberg Gmbh | Magnetic fluid seal |
US4694213A (en) * | 1986-11-21 | 1987-09-15 | Ferrofluidics Corporation | Ferrofluid seal for a stationary shaft and a rotating hub |
-
1987
- 1987-08-12 US US07/084,985 patent/US4795275A/en not_active Expired - Lifetime
-
1988
- 1988-08-12 DE DE88907927T patent/DE3885878T2/de not_active Expired - Fee Related
- 1988-08-12 EP EP88907927A patent/EP0327638B1/de not_active Expired - Lifetime
- 1988-08-12 WO PCT/US1988/002781 patent/WO1989001573A1/en active IP Right Grant
- 1988-08-12 JP JP63507297A patent/JPH02501846A/ja active Pending
- 1988-08-12 CA CA000574570A patent/CA1337662C/en not_active Expired - Fee Related
-
1993
- 1993-12-20 JP JP1993067799U patent/JP2525216Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1337662C (en) | 1995-11-28 |
JPH02501846A (ja) | 1990-06-21 |
JP2525216Y2 (ja) | 1997-02-05 |
EP0327638A1 (de) | 1989-08-16 |
JPH0654916U (ja) | 1994-07-26 |
DE3885878D1 (de) | 1994-01-05 |
EP0327638B1 (de) | 1993-11-24 |
WO1989001573A1 (en) | 1989-02-23 |
US4795275A (en) | 1989-01-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3885878D1 (de) | Hydrodynamisches lager und verfahren zur zufuhr von schmiermittel ins lager. | |
DE3886412T2 (de) | Verfahren zur immobilisierung von lipasen. | |
DE3679815D1 (de) | Verfahren zur innenauskleidung von leitungen. | |
DE3583050D1 (de) | Verfahren zur mikrophotometrie von mikroskopischen prueflingen. | |
DE3768045D1 (de) | Verfahren zur demulgierung von mit wasser verschmutzten getriebeoele. | |
DE3586887T2 (de) | Verfahren zur herstellung von basisschmieroelen und so erhaltene basisschmieroele. | |
DE69019032T2 (de) | Verfahren zur Herstellung von geschmierten Lagern. | |
DE3682902D1 (de) | Verfahren zur steigerung des grades von oelextraktion. | |
DE3774360D1 (de) | Verfahren zur hydroraffinierung von kohlenwasserstoff enthaltenden einsaetzen. | |
DE3786279D1 (de) | Verfahren zur selektivbestimmung von mikrobiellen nukleotiden. | |
DE3765097D1 (de) | Verfahren zur fabrikation von basisschmieroelen. | |
DE3872290D1 (de) | Verfahren zur regelung des kristalldurchmessers. | |
DE3885558D1 (de) | Verfahren zur kontinuierlichen Extraktion von Polyamiden. | |
DE3867381D1 (de) | Verfahren zur hydrierung von schweroel. | |
DE3888845T2 (de) | Verfahren zur entmodulierung. | |
DE3685787T2 (de) | Verfahren zur herstellung von basisschmieroelen. | |
DE3683622D1 (de) | Verfahren zur herstellung von hochviskosen schmieroelen. | |
DE3773140D1 (de) | Hydrodynamisches lager. | |
DE69006261T2 (de) | Verfahren zur Herstellung von Basisschmierölen. | |
DE3874510T2 (de) | Verfahren zur stabilisierung von hydroisomeraten. | |
DE3786978D1 (de) | Verfahren fuer die zufuehrung von kulturmedium und kultursystem. | |
DE3881664T2 (de) | Verfahren zur herstellung von acrylamid. | |
DE3871238D1 (de) | Verfahren zur koproduktion von anilinen und oxamiden. | |
DE3761377D1 (de) | Verfahren zur aufarbeitung von 2-merkaptobenzthiazol enthaltenden teeren. | |
DE3862774D1 (de) | Verfahren zur herstellung von vinylphosphonsaeuredialkylestern. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUSSER, 80538 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |