JPS6351929U - - Google Patents
Info
- Publication number
- JPS6351929U JPS6351929U JP1986145645U JP14564586U JPS6351929U JP S6351929 U JPS6351929 U JP S6351929U JP 1986145645 U JP1986145645 U JP 1986145645U JP 14564586 U JP14564586 U JP 14564586U JP S6351929 U JPS6351929 U JP S6351929U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- rotating body
- thrust bearing
- bearing device
- rotor
- 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 description 4
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Description
第１図は本考案の第１の実施例が適用された光
偏向器の概略縦断面図、第２図は本考案の第２の
実施例が適用された光偏向器の概略縦断面図、第
３図は本考案の第３の実施例が適用された光偏向
器の概略縦断面図、第４図は本考案の第４の実施
例が適用された光偏向器の概略縦断面図である。
１……主軸、４……回転スリーブ、５……ポリ
ゴンミラー、６……ロータ用磁石、７……コア、
８……コイル、１１，１３……第１の磁石、１２
，１４……第２の磁石、２１……軸、２２……支
持部材。
FIG. 1 is a schematic vertical sectional view of an optical deflector to which a first embodiment of the present invention is applied, FIG. 2 is a schematic vertical sectional view of an optical deflector to which a second embodiment of the present invention is applied, FIG. 3 is a schematic vertical cross-sectional view of an optical deflector to which a third embodiment of the present invention is applied, and FIG. 4 is a schematic vertical cross-sectional view of an optical deflector to which a fourth embodiment of the present invention is applied. be. 1...Main shaft, 4...Rotating sleeve, 5...Polygon mirror, 6...Rotor magnet, 7...Core,
8... Coil, 11, 13... First magnet, 12
, 14... second magnet, 21... shaft, 22... support member.
Claims (1)
行なわれている回転体のスラスト軸受装置であつ
て、 前記回転体の少なくとも一方の端部に設けられ
た第１の磁石と、 前記第１の磁石と対向するように、前記回転体
の支持体側部材に設けられた第２の磁石とを具備
したことを特徴とするスラスト軸受装置。 (2) 前記回転体は、モータの回転子であり、前
記第１の磁石は、前記回転子の一方の端部のみに
設けられたことを特徴とする前記実用新案登録請
求の範囲第１項記載のスラスト軸受装置。[Claims for Utility Model Registration] (1) A thrust bearing device for a rotating body whose radial support is performed by a hydrodynamic bearing, wherein a first thrust bearing device is provided at at least one end of the rotating body. A thrust bearing device comprising: a magnet; and a second magnet provided on a support side member of the rotating body so as to face the first magnet. (2) Claim 1, wherein the rotating body is a rotor of a motor, and the first magnet is provided only at one end of the rotor. Thrust bearing device described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986145645U JPS6351929U (en) | 1986-09-22 | 1986-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986145645U JPS6351929U (en) | 1986-09-22 | 1986-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6351929U true JPS6351929U (en) | 1988-04-07 |
Family
ID=31057377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986145645U Pending JPS6351929U (en) | 1986-09-22 | 1986-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6351929U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4990144A (en) * | 1972-12-27 | 1974-08-28 | ||
| JPS57154516A (en) * | 1981-03-16 | 1982-09-24 | Komatsu Ltd | Bearing device for rapidly rotating body |
-
1986
- 1986-09-22 JP JP1986145645U patent/JPS6351929U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4990144A (en) * | 1972-12-27 | 1974-08-28 | ||
| JPS57154516A (en) * | 1981-03-16 | 1982-09-24 | Komatsu Ltd | Bearing device for rapidly rotating body |