JPH0322120U - - Google Patents
Info
- Publication number
- JPH0322120U JPH0322120U JP1989083468U JP8346889U JPH0322120U JP H0322120 U JPH0322120 U JP H0322120U JP 1989083468 U JP1989083468 U JP 1989083468U JP 8346889 U JP8346889 U JP 8346889U JP H0322120 U JPH0322120 U JP H0322120U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- sleeve
- magnets
- dynamic pressure
- buffer member
- 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
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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Sliding-Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Vibration Prevention Devices (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図は従来の動圧軸受の部分断面図であ
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……弾性体、ｈ……突
出量。
面図、第２図は従来の動圧軸受の部分断面図であ
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……弾性体、ｈ……突
出量。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 一方の開口部を閉鎖したスリーブの内周面
または上記スリーブに挿入した軸の外周面の少な
くとも一方に動圧発生用溝を設けて上記軸とスリ
ーブとの相対回転時の動圧発生によりラジアル方
向に軸を支持するとともに、上記軸の端面とスリ
ーブの閉鎖部内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
リーブの閉鎖部内面の磁石の反発力でアキシアル
方向に軸を支持するようにした動圧軸受において
、上記磁石の少なくとも一方の磁石に、対向磁石
側に突出する弾性体よりなる緩衝部材を装着した
ことを特徴とする動圧軸受。 (2) 上記緩衝部材は、上記軸の回転中心線上に
位置するように装着されている請求項(1)記載の
動圧軸受。 (3) 上記緩衝部材は磁石に設けた中央貫通孔内
に装着されている請求項(2)記載の動圧軸受。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989083468U JPH0322120U (ja) | 1989-07-14 | 1989-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989083468U JPH0322120U (ja) | 1989-07-14 | 1989-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0322120U true JPH0322120U (ja) | 1991-03-06 |
Family
ID=31631166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989083468U Pending JPH0322120U (ja) | 1989-07-14 | 1989-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322120U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008267888A (ja) * | 2007-04-18 | 2008-11-06 | Rinnai Corp | 流量センサ |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190928A (ja) * | 1987-02-03 | 1988-08-08 | Koyo Seiko Co Ltd | 動圧軸受 |
-
1989
- 1989-07-14 JP JP1989083468U patent/JPH0322120U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63190928A (ja) * | 1987-02-03 | 1988-08-08 | Koyo Seiko Co Ltd | 動圧軸受 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008267888A (ja) * | 2007-04-18 | 2008-11-06 | Rinnai Corp | 流量センサ |