JPS57120724A - Magnetic bearing device - Google Patents
Magnetic bearing deviceInfo
- Publication number
- JPS57120724A JPS57120724A JP387481A JP387481A JPS57120724A JP S57120724 A JPS57120724 A JP S57120724A JP 387481 A JP387481 A JP 387481A JP 387481 A JP387481 A JP 387481A JP S57120724 A JPS57120724 A JP S57120724A
- Authority
- JP
- Japan
- Prior art keywords
- row
- difference
- teeth
- yoke
- radius
- 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
- F16C32/0406—Magnetic bearings
- F16C32/0408—Passive magnetic bearings
- F16C32/041—Passive magnetic bearings with permanent magnets on one part attracting the other part
- F16C32/0412—Passive magnetic bearings with permanent magnets on one part attracting the other part for radial load mainly
- F16C32/0414—Passive magnetic bearings with permanent magnets on one part attracting the other part for radial load mainly with facing axial projections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
PURPOSE:To obtain the device with large damping coefficient and radial spring constant by a structure wherein the radius of at least one row of teeth of a magnetic ring is made different from the radius of yoke opposing to said row. CONSTITUTION:The radial difference of inner row Si1, is the difference of the radius of the inner row of teeth 3 of the magnetic ring 5 from the radius of the inner yoke 8 opposing to the inner row and that of outer row So1 is that of the outer row of teeth 4 from that of the outer yoke 9 opposing to the outer row. The differences Si1, and So1 have the predetermined values and the difference So1 is set larger than the difference Si1. Owing to the structure as mentioned above, the predetermined radial spring force is mainly generated between the inner row of teeth 3 and the inner yoke 8, the radial difference between the two of which is small, and as well as a large damping force is produced between the outer row of teeth 4 and the outer yoke 9, the radial difference between the two of which is large.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP387481A JPS57120724A (en) | 1981-01-16 | 1981-01-16 | Magnetic bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP387481A JPS57120724A (en) | 1981-01-16 | 1981-01-16 | Magnetic bearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57120724A true JPS57120724A (en) | 1982-07-27 |
Family
ID=11569327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP387481A Pending JPS57120724A (en) | 1981-01-16 | 1981-01-16 | Magnetic bearing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57120724A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776119A (en) * | 2015-03-30 | 2015-07-15 | 刘金怀 | Magnetic bearing |
-
1981
- 1981-01-16 JP JP387481A patent/JPS57120724A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776119A (en) * | 2015-03-30 | 2015-07-15 | 刘金怀 | Magnetic bearing |
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