JPH01172017U - - Google Patents
Info
- Publication number
- JPH01172017U JPH01172017U JP1988067467U JP6746788U JPH01172017U JP H01172017 U JPH01172017 U JP H01172017U JP 1988067467 U JP1988067467 U JP 1988067467U JP 6746788 U JP6746788 U JP 6746788U JP H01172017 U JPH01172017 U JP H01172017U
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- hollow rotating
- magnetic bearing
- type optical
- optical deflector
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 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
- Mechanical Optical Scanning Systems (AREA)
- Sliding-Contact Bearings (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図は本考案の一実施例に係る空気磁気軸受
型光偏向器の縦断面図、第２図は他の実施例に係
る空気磁気軸受型光偏向器の縦断面図、第３図ａ
，ｂは従来例、本考案の各場合における遠心膨張
の様子を示す図、第４図は従来例に係る空気磁気
軸受型光偏向器の縦断面図である。 ３２……ロータマグネツト、３３……コイル部
、３４……中空回転体、３４ａ……フランジ、３
５……固定軸、３５ａ，３５ｂ……動圧軸受、３
６，３７，３８……マグネツト。
型光偏向器の縦断面図、第２図は他の実施例に係
る空気磁気軸受型光偏向器の縦断面図、第３図ａ
，ｂは従来例、本考案の各場合における遠心膨張
の様子を示す図、第４図は従来例に係る空気磁気
軸受型光偏向器の縦断面図である。 ３２……ロータマグネツト、３３……コイル部
、３４……中空回転体、３４ａ……フランジ、３
５……固定軸、３５ａ，３５ｂ……動圧軸受、３
６，３７，３８……マグネツト。
Claims (1)
- 外周部にフランジを持つ中空回転体と、２つの
動圧軸受部を持つ固定軸と、中空回転体、固定軸
の上端部とケース上蓋に設けたマグネツトで構成
されるスラスト磁気軸受と、中空回転体を回転さ
せる回転手段を有する空気磁気軸受型光偏向器に
おいて、前記フランジを上下２つの前記動圧軸受
部の中央に位置するように前記中空回転体の外周
部に形成したことを特徴とする空気磁気軸受型光
偏向器。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988067467U JPH01172017U (ja) | 1988-05-24 | 1988-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988067467U JPH01172017U (ja) | 1988-05-24 | 1988-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01172017U true JPH01172017U (ja) | 1989-12-06 |
Family
ID=31292837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988067467U Pending JPH01172017U (ja) | 1988-05-24 | 1988-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01172017U (ja) |
-
1988
- 1988-05-24 JP JP1988067467U patent/JPH01172017U/ja active Pending