JPH03100619U - - Google Patents
Info
- Publication number
- JPH03100619U JPH03100619U JP1990008787U JP878790U JPH03100619U JP H03100619 U JPH03100619 U JP H03100619U JP 1990008787 U JP1990008787 U JP 1990008787U JP 878790 U JP878790 U JP 878790U JP H03100619 U JPH03100619 U JP H03100619U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- bearing
- magnetic fluid
- magnetic
- circumferential direction
- 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.)
- Pending
Links
- 239000011553 magnetic fluid Substances 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 2
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
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid
-
- 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
- F16C17/047—Sliding-contact bearings for exclusively rotary movement for axial load only with fixed wedges to generate hydrodynamic pressure
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)
Description
第１図乃至第７図は本考案に係る磁性流体軸受
の各種実施例を示しており、第１図は第１実施例
の要部縦断面図、第２図は第１図の永久磁石軸受
パツドの平面図、第３図は第２実施例の要部縦断
面図、第４図は第３実施例の要部縦断面図、第５
図は本考案の第４実施例に係る磁性流体軸受の要
部縦断面図、第６図は第５実施例の要部縦断面図
、第７図は第６実施例の要部縦断面図、第８図は
従来の磁性流体軸受の要部縦断面図である。
符号の説明、１……軸、２……微小間隙、３，
３１，３２，３３，３４，３５……永久磁石軸受
パツド、３０……永久磁石、４……磁性流体、５
……ホルダ（非磁性材）。
1 to 7 show various embodiments of the magnetic fluid bearing according to the present invention, FIG. 1 is a vertical cross-sectional view of the main part of the first embodiment, and FIG. 2 is a permanent magnet bearing of FIG. 1. A plan view of the pad, FIG. 3 is a longitudinal sectional view of the main part of the second embodiment, FIG. 4 is a longitudinal sectional view of the main part of the third embodiment, and FIG.
The figure is a longitudinal cross-sectional view of a main part of a magnetic fluid bearing according to a fourth embodiment of the present invention, FIG. 6 is a longitudinal cross-sectional view of a main part of a fifth embodiment, and FIG. 7 is a longitudinal cross-sectional view of a main part of a sixth embodiment. , FIG. 8 is a vertical cross-sectional view of a main part of a conventional magnetic fluid bearing. Explanation of symbols, 1...Axis, 2...Minute gap, 3,
31, 32, 33, 34, 35...Permanent magnet bearing pad, 30...Permanent magnet, 4...Magnetic fluid, 5
...Holder (non-magnetic material).
Claims (1)
て対向配置される磁力を備えた軸受パツドと、前
記微小間隙に介在される磁性流体とから成る磁性
流体軸受において、 前記軸受パツドを軸の円周方向に複数配置し、
軸受パツドと軸端との対向面の間隔を円周方向に
沿つて一部狭くした絞り部を構成して成ることを
特徴とする磁性流体軸受。[Claims for Utility Model Registration] Consisting of a shaft made of a non-magnetic material, a bearing pad with a magnetic force disposed opposite to the shaft end of the shaft through a minute gap, and a magnetic fluid interposed in the minute gap. In the magnetic fluid bearing, a plurality of the bearing pads are arranged in the circumferential direction of the shaft,
1. A magnetic fluid bearing comprising a constricted portion in which the distance between opposing surfaces of a bearing pad and a shaft end is partially narrowed along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990008787U JPH03100619U (en) | 1990-01-31 | 1990-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990008787U JPH03100619U (en) | 1990-01-31 | 1990-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03100619U true JPH03100619U (en) | 1991-10-21 |
Family
ID=31512406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990008787U Pending JPH03100619U (en) | 1990-01-31 | 1990-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03100619U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619497A (en) * | 1979-07-26 | 1981-02-24 | Hitachi Plant Eng & Constr Co | Collected cleaning device |
| JPS5717215A (en) * | 1981-06-05 | 1982-01-28 | Fuji Denka:Kk | Manufacture for base for quartz oscillator |
-
1990
- 1990-01-31 JP JP1990008787U patent/JPH03100619U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5619497A (en) * | 1979-07-26 | 1981-02-24 | Hitachi Plant Eng & Constr Co | Collected cleaning device |
| JPS5717215A (en) * | 1981-06-05 | 1982-01-28 | Fuji Denka:Kk | Manufacture for base for quartz oscillator |