KR100224605B1 - 저어널 유체 베어링 장치 - Google Patents
저어널 유체 베어링 장치 Download PDFInfo
- Publication number
- KR100224605B1 KR100224605B1 KR1019960065433A KR19960065433A KR100224605B1 KR 100224605 B1 KR100224605 B1 KR 100224605B1 KR 1019960065433 A KR1019960065433 A KR 1019960065433A KR 19960065433 A KR19960065433 A KR 19960065433A KR 100224605 B1 KR100224605 B1 KR 100224605B1
- Authority
- KR
- South Korea
- Prior art keywords
- fluid
- fluid inlet
- journal
- dynamic pressure
- pressure generating
- 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
- 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
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- 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
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/30—Coating surfaces
- F16C2223/60—Coating surfaces by vapour deposition, e.g. PVD, CVD
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims (5)
- 소정 직경을 갖는 축과;상기 축 외주면의 저어널 부분을 지지하도록 부싱부가 형성되어 있는 지지부재와;상기 축과 상기 축과 대향하고 있는 상기 부싱부중 어느 일측면에 서로 다른 홈 면적을 갖는 직선홈인 제 1 유체 유입부, 제 2 유체 유입부가 소정 예각으로 상호 접속되어 형성된 절곡부를 포함하고 있는 헤링본 형상의 동압 발생홈에 의해 소정 유체압을 발생시키는 동압 발생부를 다수개 포함하고 있는 저어널 유체 베어링 장치에 있어서;상기 동압 발생부는 상기 제 1 유체 유입부의 홈 면적보다 작게 형성되어 상기 제 1 유체 유입부와 접속되어 있는 상기 제 2 유체 유입부의 사이 사이에 상기 제 2 유체 유입부와 동일한 형상의 제 3 유체 유입부를 포함하고 있는 것을 특징으로 하는 저어널 유체 베어링 장치.
- 제 1 항에 있어서, 상기 제 1 유체 유입부와 상기 제 2 유체 유입부는 수평에 대하여 동일한 각도로 형성되어 있는 것을 특징으로 하는 저어널 유체 베어링 장치.
- 제 1 항에 있어서, 상기 제 2 유체 유입부가 수평과 이루고 있는 각도는 제 3 유체 유입부가 수평과 이루고 있는 각도와 동일한 것을 특징으로 하는 저어널 유체 베어링 장치.
- 제 1 항에 있어서, 상기 제 1 유체 유입부와 상기 2 유체 유입부가 수평과 이루고 있는 각도는 서로 상이한 것을 특징으로 하는 저어널 유체 베어링 장치.
- 제 4 항에 있어서, 상기 제 2 유체 유입부와 상기 제 3 유체 유입부가 이루고 있는 각도는 동일한 것을 특징으로 하는 저어널 유체 베어링 장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960065433A KR100224605B1 (ko) | 1996-12-13 | 1996-12-13 | 저어널 유체 베어링 장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960065433A KR100224605B1 (ko) | 1996-12-13 | 1996-12-13 | 저어널 유체 베어링 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980046997A KR19980046997A (ko) | 1998-09-15 |
| KR100224605B1 true KR100224605B1 (ko) | 1999-10-15 |
Family
ID=19487708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960065433A Expired - Fee Related KR100224605B1 (ko) | 1996-12-13 | 1996-12-13 | 저어널 유체 베어링 장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100224605B1 (ko) |
-
1996
- 1996-12-13 KR KR1019960065433A patent/KR100224605B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR19980046997A (ko) | 1998-09-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19961213 |
|
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19961213 Comment text: Request for Examination of Application |
|
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19990302 Patent event code: PE09021S01D |
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| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19990630 |
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| GRNT | Written decision to grant | ||
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Comment text: Registration of Establishment Patent event date: 19990714 Patent event code: PR07011E01D |
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