KR880012912A - 베어링장치 - Google Patents
베어링장치 Download PDFInfo
- Publication number
- KR880012912A KR880012912A KR1019880004721A KR880004721A KR880012912A KR 880012912 A KR880012912 A KR 880012912A KR 1019880004721 A KR1019880004721 A KR 1019880004721A KR 880004721 A KR880004721 A KR 880004721A KR 880012912 A KR880012912 A KR 880012912A
- Authority
- KR
- South Korea
- Prior art keywords
- fluid
- cylindrical bearing
- high pressure
- shaft
- circumferential groove
- Prior art date
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
-
- 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
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
-
- 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
- F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
-
- 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
- F16C32/00—Bearings not otherwise provided for
-
- 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
- F16C39/00—Relieving load on bearings
- F16C39/04—Relieving load on bearings using hydraulic or pneumatic means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도∼ 제 3 도는 본 발명의 일 실시예를 표시한 것으로서, 제 1 도는 베어링 부재를 단면으로 해서 표시한 정면도, 제 2 도는 단면 정면도, 제 3 도는 회전 축이 편심되었을 때의 둘레방향의 압력분포도, 제 4∼제 6도는 본 발명의 제 2 실시예를 표시한 것으로서, 제 4 도는 베어링 부재를 단면으로 해서 표시한 정면도.
Claims (2)
- 축과 이축을 상대 회전 자재하게 지지하는 부재의 서로 대향하는 원통면으로 이루어진 원통 베어링 면사이에 공기, 기름 등의 윤활류 체막을 형성하는 동시에, 어느 한쪽의 원통 베어링 면에, 회전에 의해서 윤활류체를 한 방향으로 압송하는 작용을 가진 얕은 홈을 형성하고, 또한 어느 한쪽의 원통 베어링 면의 끝부분 또는 끝부분 근처에 둘레방향 홈을 형성하고, 이 둘레방향 홈에 유체 저항을 개재해서 고압류체를 공급하는 수단을 형성한 것을 특징으로 하는 베어링장치.
- 제 1 항에 있어서 고압류체 공급수단이, 축의 상대회전에 따른 얕은 홈의 작용에 의해서 고압 상태로 된 유체를 둘레방향 홈에 공급하는 고압공급 통로를 이루어진 것을 특징으로 하는 베어링장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62-106703 | 1987-04-30 | ||
JP62106703A JP2516967B2 (ja) | 1987-04-30 | 1987-04-30 | 軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880012912A true KR880012912A (ko) | 1988-11-29 |
KR930004677B1 KR930004677B1 (ko) | 1993-06-03 |
Family
ID=14440358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880004721A KR930004677B1 (ko) | 1987-04-30 | 1988-04-25 | 베어링장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4883367A (ko) |
JP (1) | JP2516967B2 (ko) |
KR (1) | KR930004677B1 (ko) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0391640B1 (en) * | 1989-04-03 | 1996-02-28 | Canon Kabushiki Kaisha | Hydrodynamic bearing system |
SE467271B (sv) * | 1989-06-21 | 1992-06-22 | Skf Nova Ab | Glidlager med en hylsa av magnetiserbart material |
US5401847A (en) * | 1990-03-14 | 1995-03-28 | Regents Of The University Of California | DNA complexes with dyes designed for energy transfer as fluorescent markers |
JPH048909A (ja) * | 1990-04-27 | 1992-01-13 | Canon Inc | 動圧流体軸受回転装置 |
JPH044310A (ja) * | 1990-04-18 | 1992-01-08 | Matsushita Electric Ind Co Ltd | 動圧型気体軸受装置 |
KR940009193B1 (ko) † | 1990-10-05 | 1994-10-01 | 가부시키가이샤 도시바 | 회전양극형 x선관 |
JP2605981Y2 (ja) * | 1992-09-18 | 2000-09-04 | 光洋精工株式会社 | 動圧軸受装置 |
DE69425119T2 (de) * | 1993-12-14 | 2001-02-15 | Hitachi, Ltd. | Aufzeichnungsplattengerät und rotierende Halterungsstruktur dafür |
US5973878A (en) * | 1993-12-14 | 1999-10-26 | Hitachi, Ltd. | Recording disk apparatus and rotational supporting structure therefor, having a magnetic lubricant seal which is inclined |
US5407281A (en) * | 1994-07-22 | 1995-04-18 | Quantum Corp. | Self-replenishing hydrodynamic bearing |
US5524986A (en) * | 1994-08-02 | 1996-06-11 | Seagate Technology, Inc. | Fluid retention principles for hydrodynamic bearings |
US5433529A (en) * | 1994-08-02 | 1995-07-18 | Synektron Corporation | Fluid bearing construction employing thrust plate with pressure compensation ports |
ES2190919T3 (es) * | 1994-09-08 | 2003-09-01 | Kawasaki Heavy Ind Ltd | Cojinete contra-rotativo para contra-rotativo propulsor. |
US5667309A (en) * | 1994-11-15 | 1997-09-16 | Sankyo Seiki Mfg. Co., Ltd. | Bearing seal system |
AU701765B2 (en) * | 1995-08-30 | 1999-02-04 | International Business Machines Corporation | Self pressurizing journal bearing assembly |
US5713670A (en) * | 1995-08-30 | 1998-02-03 | International Business Machines Corporation | Self pressurizing journal bearing assembly |
US5924975A (en) * | 1995-08-30 | 1999-07-20 | International Business Machines Corporation | Linear pump |
JPH0979263A (ja) * | 1995-09-20 | 1997-03-25 | Hitachi Ltd | 軸受装置及びこれを備えたスピンドルモ−タ |
DE69716552T2 (de) * | 1996-04-30 | 2003-06-26 | A.W. Chesterton Co., Stoneham | Dichtung/lagervorrichtung |
US5730928A (en) * | 1996-08-23 | 1998-03-24 | Eastman Kodak Company | Method of making air lubricated hydrodynamic ceramic bearings |
US5738446A (en) * | 1996-08-23 | 1998-04-14 | Eastman Kodak Company | Air lubricated hydrodynamic ceramic bearings |
US5847479A (en) * | 1997-04-15 | 1998-12-08 | Sae Magnetics (H.K.) Ltd. | Self-pressure-balanced hydrodynamic bearing spindle motor |
JP3184789B2 (ja) * | 1997-10-06 | 2001-07-09 | セイコーインスツルメンツ株式会社 | 動圧軸受を備えたモータ、及び該モータを駆動源とする回転体装置 |
US6427330B1 (en) * | 1997-10-07 | 2002-08-06 | Sankyo Seiki Mfg. Co., Ltd. | Method for forming a lubricant coating on a hydrodynamic bearing apparatus by electrode positioning |
JP3462982B2 (ja) * | 1998-03-16 | 2003-11-05 | 日本電産株式会社 | 動圧流体軸受装置及び電動機 |
JP2000002233A (ja) * | 1998-06-12 | 2000-01-07 | Sumitomo Electric Ind Ltd | 動圧気体軸受およびその製造方法 |
EP1024294A3 (en) * | 1999-01-29 | 2002-03-13 | Ibiden Co., Ltd. | Motor and turbo-molecular pump |
US6186061B1 (en) | 1999-05-11 | 2001-02-13 | The Minster Machine Company | Press bearing lubrication system |
JP2002155946A (ja) * | 2000-11-20 | 2002-05-31 | Daido Metal Co Ltd | 軸支承部材 |
JP4722340B2 (ja) * | 2001-08-08 | 2011-07-13 | Thk株式会社 | 動圧シール装置及びこれを用いたロータリジョイント装置 |
US6626577B1 (en) | 2002-04-05 | 2003-09-30 | Sunonwealth Electric Machine Industry Co., Ltd. | Radially inner surface structure of a bearing |
US6679632B2 (en) * | 2002-05-30 | 2004-01-20 | International Business Machines Corporation | Lubricant retention design for disk drive fluid dynamic bearing spindle motor |
US20050109560A1 (en) * | 2003-11-25 | 2005-05-26 | Charlie Liu | Structure of spindle |
JP2007107622A (ja) * | 2005-10-14 | 2007-04-26 | Matsushita Electric Ind Co Ltd | 動圧軸受装置およびそれを用いたスピンドルモータ |
US7896550B1 (en) | 2006-05-04 | 2011-03-01 | Florida Turbine Technologies, Inc. | Hydrodynamic liquid metal bearing |
TW200835864A (en) * | 2007-02-27 | 2008-09-01 | Jian-Dih Jeng | Simplified fluid dynamic bearing design |
DE102010022574A1 (de) * | 2010-06-02 | 2011-12-08 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Rotorwelle mit Gleitlager |
JP5786332B2 (ja) * | 2010-12-27 | 2015-09-30 | 宇部興産機械株式会社 | スクリュコンベヤ |
US8690721B2 (en) | 2011-08-02 | 2014-04-08 | United Technologies Corporation | Journal pin oil supply for gear system |
KR20130074573A (ko) * | 2011-12-26 | 2013-07-04 | 삼성전기주식회사 | 유체 동압 베어링 어셈블리 및 이를 포함하는 모터 |
US8657714B1 (en) * | 2012-09-28 | 2014-02-25 | General Electric Company | Journal bearing and method of facilitating hydrodynamic oil flow, load capacity and optimization of bearing performance |
JP2016044674A (ja) * | 2014-08-22 | 2016-04-04 | 日本電産株式会社 | 動圧軸受ポンプ |
JP2016044673A (ja) * | 2014-08-22 | 2016-04-04 | 日本電産株式会社 | 動圧軸受ポンプ |
US9361932B2 (en) * | 2014-10-15 | 2016-06-07 | HGST Netherlands B.V. | Fluid dynamic bearing groove configuration |
US10190663B2 (en) * | 2015-10-08 | 2019-01-29 | Motive Power Industry Co., Ltd. | Linear gear shift mechanism |
CN106050922B (zh) * | 2016-07-04 | 2018-08-14 | 浙江大学 | 自循环式的滑动轴承 |
RU190767U1 (ru) * | 2018-09-26 | 2019-07-11 | Акционерное общество (АО) "Турбонасос" | Радиальный гидродинамический подшипник скольжения жидкостного трения |
DE102018219013A1 (de) * | 2018-11-08 | 2020-05-14 | Zf Friedrichshafen Ag | Gleitlager mit V-förmig angeordneten Nuten |
CN111022497B (zh) * | 2019-12-02 | 2021-05-28 | 燕山大学 | 一种带有导液孔道的径向磁液双悬浮轴承导磁套 |
CN111927635B (zh) * | 2020-08-20 | 2022-03-29 | 中国科学院工程热物理研究所 | 一种带有斜纹动压槽的石墨密封结构 |
CN114909319A (zh) * | 2022-05-20 | 2022-08-16 | 珠海格力电器股份有限公司 | 转轴组件、转子组件和压缩机 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3115372A (en) * | 1962-02-07 | 1963-12-24 | Chrysler Corp | Hydrodynamic type bearing |
NL282966A (ko) * | 1962-09-06 | |||
NL6512869A (ko) * | 1965-10-05 | 1967-04-06 | ||
NL151477B (nl) * | 1967-03-31 | 1976-11-15 | Philips Nv | Hydrodynamisch glijleger voor het opnemen van axiale en radiale belastingen. |
GB1316970A (en) * | 1969-08-26 | 1973-05-16 | Coventry Corp Of The City Of | Hydrostatic/hydrodynamic shaft bearing arrangements |
US3964805A (en) * | 1974-09-27 | 1976-06-22 | The Bendix Corporation | Dynamic fluid reservoir bearing |
US4043612A (en) * | 1975-06-06 | 1977-08-23 | Ampex Corporation | Bearing structure |
US4254961A (en) * | 1979-04-30 | 1981-03-10 | Litton Systems, Inc. | Seal for fluid bearings |
GB2101695B (en) * | 1981-07-10 | 1985-03-06 | British Gas Corp | Improvements in or relating to lubricated bearings |
JPS5854223A (ja) * | 1981-09-25 | 1983-03-31 | Nippon Seiko Kk | 動圧形スピンドル装置 |
JPS59159416A (ja) * | 1983-02-25 | 1984-09-10 | Matsushita Electric Ind Co Ltd | 動圧型流体軸受装置 |
-
1987
- 1987-04-30 JP JP62106703A patent/JP2516967B2/ja not_active Expired - Lifetime
-
1988
- 1988-04-25 KR KR1019880004721A patent/KR930004677B1/ko not_active IP Right Cessation
- 1988-04-28 US US07/187,346 patent/US4883367A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR930004677B1 (ko) | 1993-06-03 |
JP2516967B2 (ja) | 1996-07-24 |
JPS63275812A (ja) | 1988-11-14 |
US4883367A (en) | 1989-11-28 |
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