JPH057936B2 - - Google Patents
Info
- Publication number
- JPH057936B2 JPH057936B2 JP60268828A JP26882885A JPH057936B2 JP H057936 B2 JPH057936 B2 JP H057936B2 JP 60268828 A JP60268828 A JP 60268828A JP 26882885 A JP26882885 A JP 26882885A JP H057936 B2 JPH057936 B2 JP H057936B2
- Authority
- JP
- Japan
- Prior art keywords
- motor
- spiral grooved
- thrust bearing
- rotor
- spiral
- 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.)
- Expired - Lifetime
Links
- 239000000919 ceramic Substances 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
- Motor Or Generator Frames (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60268828A JPS62131733A (ja) | 1985-11-28 | 1985-11-28 | モ−タ |
DE8686115790T DE3674370D1 (de) | 1985-11-28 | 1986-11-13 | Elektrisch angetriebenes geraet. |
EP86115790A EP0229911B1 (de) | 1985-11-28 | 1986-11-13 | Elektrisch angetriebenes Gerät |
US06/931,064 US4820949A (en) | 1985-11-28 | 1986-11-17 | Electrically powered apparatus |
KR1019860009953A KR940011647B1 (ko) | 1985-11-28 | 1986-11-25 | 전동장치 |
CN86108031.9A CN1004984B (zh) | 1985-11-28 | 1986-11-27 | 电动装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60268828A JPS62131733A (ja) | 1985-11-28 | 1985-11-28 | モ−タ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62131733A JPS62131733A (ja) | 1987-06-15 |
JPH057936B2 true JPH057936B2 (de) | 1993-01-29 |
Family
ID=17463819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60268828A Granted JPS62131733A (ja) | 1985-11-28 | 1985-11-28 | モ−タ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62131733A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4587220B2 (ja) * | 2005-08-18 | 2010-11-24 | 日立粉末冶金株式会社 | 動圧軸受ユニットおよびこれを用いたスピンドルモータ |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58187615A (ja) * | 1982-04-28 | 1983-11-01 | Matsushita Electric Ind Co Ltd | スラスト方向流体軸受装置 |
JPS6026814A (ja) * | 1983-07-25 | 1985-02-09 | Ebara Corp | スラスト軸受 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59164469U (ja) * | 1983-04-18 | 1984-11-05 | パイオニア株式会社 | 電動機 |
-
1985
- 1985-11-28 JP JP60268828A patent/JPS62131733A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58187615A (ja) * | 1982-04-28 | 1983-11-01 | Matsushita Electric Ind Co Ltd | スラスト方向流体軸受装置 |
JPS6026814A (ja) * | 1983-07-25 | 1985-02-09 | Ebara Corp | スラスト軸受 |
Also Published As
Publication number | Publication date |
---|---|
JPS62131733A (ja) | 1987-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR940011647B1 (ko) | 전동장치 | |
EP0392500B1 (de) | Spindelmotor | |
EP0410293B1 (de) | Spindelmotor | |
EP0558092A2 (de) | Spindelmotor | |
JPS61218355A (ja) | 回転位置決め機能を有する磁気浮上アクチユエ−タ | |
JPH10238535A (ja) | ディスク用スピンドルモータ | |
JPH057936B2 (de) | ||
JPS6387162A (ja) | 電動機械 | |
JP2002303322A (ja) | 回転装置 | |
JP3300465B2 (ja) | 2自由度アクチュエータ | |
JPH04203520A (ja) | スラストころがり軸受とそれを用いたロータ及びモータ | |
JP4406357B2 (ja) | 磁気軸受装置 | |
JPH02155452A (ja) | モータ | |
JPH02168835A (ja) | スピンドルモータ | |
JPS59188351A (ja) | 動圧型軸受モ−タ | |
JPH03157513A (ja) | 軸受け構造 | |
JPH0742214Y2 (ja) | 流体軸受モータ | |
JPH01141228A (ja) | 磁気駆動装置 | |
JPH01269719A (ja) | 磁気軸受装置 | |
JP2718807B2 (ja) | ポリゴンミラーモートル | |
JP2002159157A (ja) | 動圧空気軸受モータ | |
JPH0614087Y2 (ja) | 磁気軸受装置 | |
JPS59162758A (ja) | 回転軸の振れまわりの小さい軸方向空隙型半導体電動機 | |
JPS61112544A (ja) | デイスク駆動モ−タ | |
JPH04337110A (ja) | 磁気軸受 |