JP4638296B2 - 流体動圧軸受 - Google Patents
流体動圧軸受 Download PDFInfo
- Publication number
- JP4638296B2 JP4638296B2 JP2005225821A JP2005225821A JP4638296B2 JP 4638296 B2 JP4638296 B2 JP 4638296B2 JP 2005225821 A JP2005225821 A JP 2005225821A JP 2005225821 A JP2005225821 A JP 2005225821A JP 4638296 B2 JP4638296 B2 JP 4638296B2
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- section
- dynamic pressure
- flow
- fluid dynamic
- 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
- 239000012530 fluid Substances 0.000 title claims description 27
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 description 17
- 230000002093 peripheral effect Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
Images
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
- F16C17/02—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
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings
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)
- Sliding-Contact Bearings (AREA)
Description
11 第一の流道区
12 第二の流道区
13、13’ 第一の流道
14、14’ 第二の流道
15、15’ 第三の流道
16、16’ 第四の流道
17、17’ 集合区
18 分界線
19 貯蔵凹部
20 回転軸
30 スリーブ
Claims (4)
- 相対回転する二つの支持面を有し、これら二つの支持面が相対回転するときに、複数の高圧区と低圧区とが少なくとも一つの支持面に形成される動圧発生溝が設けられている流体動圧軸受において、前記動圧発生溝が、第一の流道区と第二の流道区とを含み、前記第一の流道区が、間隔を有して配列された複数の第一の流道と、各々第一の流道と交錯して配列された複数の第二の流道とを有し、前記第二の流道区が、間隔を有して配列された複数の第三の流道と、各々第三の流道と交錯して配列された複数の第四の流道とを有し、前記各第一の流道が、一方の側に配された第二の流道と前記第一の流道区の低圧区で連結され、前記各第三の流道が、一方の側に配された第四の流道と前記第二の流道区の低圧区で連結されており、
前記第一の流道と第二の流道とは、それぞれ分界線と大小が異なる鋭角を成しており、且つ、前記第三の流道と第四の流道とは、それぞれ分界線と大小が異なる鋭角を成していることを特徴とする流体動圧軸受。 - 前記各第一の流道の内部が、それぞれ互いに平行に配列されており、前記各第二の流道の内部が、それぞれ互いに平行に配列されており、前記各第三の流道の内部が、それぞれ互いに平行に配列されており、前記各第四の流道の内部が、それぞれ互いに平行に配列されていることを特徴とする請求項1に記載の流体動圧軸受。
- 前記各第一の流道が、他方の側に配された第二の流道と前記高圧区で連結され、前記各第三の流道が、他方の側に配された第四の流道と前記高圧区で連結されていることを特徴とする請求項1に記載の流体動圧軸受。
- 前記第一の流道と第二の流道とが前記高圧区で連結された連結部が、更に前記第三の流道と第四の流道とが前記高圧区で連結された連結部と連結されて、高圧集合区が形成されていることを特徴とする請求項2記載の流体動圧軸受。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200410051160.5 | 2004-08-14 | ||
CNB2004100511605A CN100357620C (zh) | 2004-08-14 | 2004-08-14 | 流体动压轴承 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006052847A JP2006052847A (ja) | 2006-02-23 |
JP4638296B2 true JP4638296B2 (ja) | 2011-02-23 |
JP2006052847A6 JP2006052847A6 (ja) | 2011-04-07 |
Family
ID=35800040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005225821A Expired - Fee Related JP4638296B2 (ja) | 2004-08-14 | 2005-08-03 | 流体動圧軸受 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7625122B2 (ja) |
JP (1) | JP4638296B2 (ja) |
CN (1) | CN100357620C (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4512831B2 (ja) * | 2006-10-11 | 2010-07-28 | 国立大学法人鳥取大学 | すべり直動案内装置 |
GB2442969A (en) * | 2006-10-19 | 2008-04-23 | Ford Global Tech Llc | Friction bearing |
US8814433B2 (en) | 2010-10-06 | 2014-08-26 | Eagle Industry Co., Ltd. | Sliding component |
EP2634441A4 (en) * | 2010-10-26 | 2015-08-05 | Ihi Corp | DRAWER WITH SPIRAL THREAD |
US20120243812A1 (en) * | 2011-03-25 | 2012-09-27 | John Wun-Chang Shih | Fluid dynamic bearing |
JP5638455B2 (ja) * | 2011-05-06 | 2014-12-10 | キヤノンマシナリー株式会社 | 摺動面構造 |
CN106029294B (zh) * | 2014-02-24 | 2017-09-29 | 伊格尔工业股份有限公司 | 滑动部件 |
JP6859832B2 (ja) * | 2017-04-27 | 2021-04-14 | 日本電産株式会社 | 流体軸受装置、モータおよびディスク駆動装置 |
WO2020196599A1 (ja) * | 2019-03-26 | 2020-10-01 | Ntn株式会社 | 流体動圧軸受装置 |
CN111997999B (zh) * | 2020-08-20 | 2022-04-12 | 浙江申发轴瓦股份有限公司 | 一种可倾瓦滑动轴承轴瓦结构和可倾瓦滑动轴承 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03163211A (ja) * | 1989-11-17 | 1991-07-15 | Nippon Seiko Kk | 動圧流体軸受 |
JPH06280858A (ja) * | 1993-03-29 | 1994-10-07 | Koyo Seiko Co Ltd | 動圧軸受 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7213192A (ja) * | 1972-09-29 | 1974-04-02 | ||
US4961122A (en) * | 1987-05-11 | 1990-10-02 | Hitachi, Ltd. | Hydrodynamic grooved bearing device |
JPH06333331A (ja) * | 1993-05-20 | 1994-12-02 | Matsushita Electric Ind Co Ltd | ディスク回転装置 |
US5427456A (en) | 1994-04-12 | 1995-06-27 | Synektron Corporation | Fluid bearing with asymmetrical groove pattern |
US5407281A (en) | 1994-07-22 | 1995-04-18 | Quantum Corp. | Self-replenishing hydrodynamic bearing |
US5908247A (en) | 1994-11-14 | 1999-06-01 | Seagate Technology, Inc. | Sinusoidal grooving pattern for grooved journal bearing |
DE19681719T1 (de) * | 1996-01-08 | 1999-04-01 | Seagate Technology | Gerilltes hydrodynamisches Axialdrucklager |
JP3395524B2 (ja) | 1996-06-10 | 2003-04-14 | 松下電器産業株式会社 | 縦型流体軸受装置 |
US5795074A (en) | 1996-10-08 | 1998-08-18 | Seagate Technology, Inc. | Grooved hydrodynamic thrust bearing |
JP3514958B2 (ja) | 1996-12-13 | 2004-04-05 | 三星電子株式会社 | 流体ベアリング装置 |
JP3362618B2 (ja) | 1996-12-24 | 2003-01-07 | 松下電器産業株式会社 | 動圧軸受 |
US6296391B1 (en) | 1997-06-09 | 2001-10-02 | Sankyo Seiki Mfg. Co., Ltd. | Hydrodynamic bearing apparatus |
JP4006810B2 (ja) * | 1998-02-27 | 2007-11-14 | 松下電器産業株式会社 | 電動機及びそれを用いたヒートシンク装置 |
JP2000199520A (ja) | 1999-01-06 | 2000-07-18 | Konica Corp | 回転装置 |
JP3687570B2 (ja) * | 2001-06-13 | 2005-08-24 | 松下電器産業株式会社 | 動圧軸受装置及びこれを用いたモータ及びディスク記録装置 |
US6626577B1 (en) * | 2002-04-05 | 2003-09-30 | Sunonwealth Electric Machine Industry Co., Ltd. | Radially inner surface structure of a bearing |
US7296932B2 (en) * | 2003-01-20 | 2007-11-20 | Minebea Co. Ltd | Fluid dynamic bearing having an acute-angled shaft recess |
CN100370158C (zh) * | 2004-08-17 | 2008-02-20 | 鸿富锦精密工业(深圳)有限公司 | 流体动压轴承 |
-
2004
- 2004-08-14 CN CNB2004100511605A patent/CN100357620C/zh not_active Expired - Fee Related
- 2004-12-14 US US11/012,420 patent/US7625122B2/en not_active Expired - Fee Related
-
2005
- 2005-08-03 JP JP2005225821A patent/JP4638296B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03163211A (ja) * | 1989-11-17 | 1991-07-15 | Nippon Seiko Kk | 動圧流体軸受 |
JPH06280858A (ja) * | 1993-03-29 | 1994-10-07 | Koyo Seiko Co Ltd | 動圧軸受 |
Also Published As
Publication number | Publication date |
---|---|
CN100357620C (zh) | 2007-12-26 |
CN1734110A (zh) | 2006-02-15 |
US7625122B2 (en) | 2009-12-01 |
JP2006052847A (ja) | 2006-02-23 |
US20060034554A1 (en) | 2006-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4638296B2 (ja) | 流体動圧軸受 | |
JP2006052847A6 (ja) | 流体動圧軸受 | |
TWI273187B (en) | Fluid dynamic bearing | |
JP5516748B2 (ja) | スパイラル溝スラスト軸受 | |
WO2016084937A1 (ja) | ジャーナル軸受、回転機械 | |
CN103842667A (zh) | 增压器的止推轴承装置 | |
JP2011505259A (ja) | 転がり軸受のためのケージとその製造方法 | |
JP2006057840A (ja) | 流体動圧軸受 | |
JP2014533342A (ja) | 流体動圧スラスト軸受 | |
JP2016109268A (ja) | ティルティングパッド型ジャーナル軸受 | |
US7429132B1 (en) | Hydrostatic air bearing with a porous metal ring | |
CN108138963A (zh) | 密封圈 | |
US11022210B2 (en) | Planet wheel shaft for a planetary gear | |
JPH10259823A (ja) | 流体軸受装置 | |
JP2010133559A (ja) | ローラー軸受の内輪 | |
WO2019187023A1 (ja) | 回転機械、及びターボチャージャー | |
JP5988496B2 (ja) | 旋盤用の軸受パッド | |
JP2009047181A (ja) | 十字軸継手 | |
TWM487376U (zh) | 粉末冶金含油的動壓軸承 | |
JPH0590049U (ja) | 両方向回転型ガスシール | |
JP2006077871A (ja) | 軸受構造 | |
JP7414968B2 (ja) | 摺動部品 | |
JP2022165077A (ja) | 軸受け部材 | |
JP5498999B2 (ja) | スピンドルモーター | |
TW202040023A (zh) | 無方向性動壓軸承結構 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070510 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100118 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100126 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100426 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100608 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100831 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101026 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20101125 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131203 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |