JPS63137560U - - Google Patents
Info
- Publication number
- JPS63137560U JPS63137560U JP1987026850U JP2685087U JPS63137560U JP S63137560 U JPS63137560 U JP S63137560U JP 1987026850 U JP1987026850 U JP 1987026850U JP 2685087 U JP2685087 U JP 2685087U JP S63137560 U JPS63137560 U JP S63137560U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- rotating
- fixed
- circumferential surface
- electric motor
- 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.)
- Granted
Links
- 230000000149 penetrating effect Effects 0.000 claims 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
- 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)
- Mechanical Optical Scanning Systems (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
第１図は本考案の一実施例を説明した小型電動
機の断面図、第２図は従来技術に係る小型電動機
の断面図である。 １―１…押さえ磁石、１―２…（回転磁石体と
しての）ローター磁石、１―３…浮上磁石、３…
（回転体としての）ローター、１０…（固定軸と
しての）磁石支柱。
機の断面図、第２図は従来技術に係る小型電動機
の断面図である。 １―１…押さえ磁石、１―２…（回転磁石体と
しての）ローター磁石、１―３…浮上磁石、３…
（回転体としての）ローター、１０…（固定軸と
しての）磁石支柱。
Claims (1)
- 【実用新案登録請求の範囲】 回転体の円筒状外周面または該回転体の円筒状
外周面を回転自在に嵌合支承する固定軸受の内周
面のいずれか一方にグルーブを設けて動圧軸受を
形成するとともに、上記回転体の円筒状内周面に
マグネツトを固着し、該マグネツトに対向して駆
動用コイルを配した小型電動機であつて、 上記回転体の回転中心に中空部を有する回転磁
石体を固定し、 該回転磁石体の中空部を貫く固定軸に該回転磁
石体との磁気作用により該回転磁石体を浮上支持
する浮上磁石および押さえ磁石を上記回転磁石体
を挟むようにして固着したことを特徴とする小型
電動機。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987026850U JPH03864Y2 (ja) | 1987-02-25 | 1987-02-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987026850U JPH03864Y2 (ja) | 1987-02-25 | 1987-02-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63137560U true JPS63137560U (ja) | 1988-09-09 |
| JPH03864Y2 JPH03864Y2 (ja) | 1991-01-11 |
Family
ID=30828324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987026850U Expired JPH03864Y2 (ja) | 1987-02-25 | 1987-02-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03864Y2 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63259510A (ja) * | 1987-04-16 | 1988-10-26 | Ricoh Co Ltd | 空気磁気軸受型光偏向器 |
| JP2002365581A (ja) * | 2001-06-12 | 2002-12-18 | Ricoh Co Ltd | 光偏向走査装置 |
-
1987
- 1987-02-25 JP JP1987026850U patent/JPH03864Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63259510A (ja) * | 1987-04-16 | 1988-10-26 | Ricoh Co Ltd | 空気磁気軸受型光偏向器 |
| JP2002365581A (ja) * | 2001-06-12 | 2002-12-18 | Ricoh Co Ltd | 光偏向走査装置 |
| JP4659276B2 (ja) * | 2001-06-12 | 2011-03-30 | 株式会社リコー | 光偏向走査装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03864Y2 (ja) | 1991-01-11 |