JPH0274620U - - Google Patents
Info
- Publication number
- JPH0274620U JPH0274620U JP1988153856U JP15385688U JPH0274620U JP H0274620 U JPH0274620 U JP H0274620U JP 1988153856 U JP1988153856 U JP 1988153856U JP 15385688 U JP15385688 U JP 15385688U JP H0274620 U JPH0274620 U JP H0274620U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- sleeve
- face
- magnet
- dynamic pressure
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
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
- F16C17/02—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
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
-
- 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
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/0408—Passive magnetic bearings
- F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
- F16C32/0427—Passive magnetic bearings with permanent magnets on both parts repelling each other for axial load mainly
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第1図は本考案の一実施例の動圧軸受の部分断
面図、第2図及び第3図はそれぞれ別の実施例の
スリーブ断面図、第4図は従来の動圧軸受の部分
断面図、第5図は従来の動圧軸受の組立時のスリ
ーブと軸の磁石の吸引状態図である。 1……スリーブ、2……スリーブの底部、3…
…ラジアル動圧発生用溝、4……固定軸、5……
固定軸の端部、6……ラジアル隙間、7……内側
磁石、8……外側磁石、9……スリーブの筒部。
面図、第2図及び第3図はそれぞれ別の実施例の
スリーブ断面図、第4図は従来の動圧軸受の部分
断面図、第5図は従来の動圧軸受の組立時のスリ
ーブと軸の磁石の吸引状態図である。 1……スリーブ、2……スリーブの底部、3…
…ラジアル動圧発生用溝、4……固定軸、5……
固定軸の端部、6……ラジアル隙間、7……内側
磁石、8……外側磁石、9……スリーブの筒部。
Claims (1)
- スリーブに軸の一部を収納すると共に、上記ス
リーブの内周面または軸の外周面の少なくとも一
方に溝を設けて上記軸とスリーブとの相対的な回
転により軸とスリーブとの間の流体に動圧を発生
させてラジアル方向に軸を支持するようにし、さ
らに、上記軸の端面とスリーブの端面とにそれぞ
れ磁石を同極を向かい合わせて設置し、上記軸の
端面の磁石と上記スリーブの端面の磁石の反発力
でスラスト方向に軸を支持するようにした動圧軸
受において、上記スリーブの少なくとも開口部分
を非磁性材料で形成したことを特徴とする動圧軸
受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988153856U JPH0274620U (ja) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988153856U JPH0274620U (ja) | 1988-11-25 | 1988-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0274620U true JPH0274620U (ja) | 1990-06-07 |
Family
ID=31430066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988153856U Pending JPH0274620U (ja) | 1988-11-25 | 1988-11-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0274620U (ja) |
-
1988
- 1988-11-25 JP JP1988153856U patent/JPH0274620U/ja active Pending