DE2443830C3 - Geschlossener gesinterter Dauermagnetring und Verfahren zur seiner Herstellung - Google Patents
Geschlossener gesinterter Dauermagnetring und Verfahren zur seiner HerstellungInfo
- Publication number
- DE2443830C3 DE2443830C3 DE19742443830 DE2443830A DE2443830C3 DE 2443830 C3 DE2443830 C3 DE 2443830C3 DE 19742443830 DE19742443830 DE 19742443830 DE 2443830 A DE2443830 A DE 2443830A DE 2443830 C3 DE2443830 C3 DE 2443830C3
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnet
- magnet ring
- manufacture
- ring
- sintered permanent
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 title description 3
- 238000005245 sintering Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 5
- 230000002706 hydrostatic effect Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- 230000035882 stress Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2683—Other ferrites containing alkaline earth metals or lead
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/021—Construction of PM
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Magnetic Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7313231A NL7313231A (nl) | 1973-09-26 | 1973-09-26 | Radiaal anisotroop magneetlichaam. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2443830A1 DE2443830A1 (de) | 1975-04-03 |
| DE2443830B2 DE2443830B2 (de) | 1977-08-18 |
| DE2443830C3 true DE2443830C3 (de) | 1979-07-05 |
Family
ID=19819676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19742443830 Expired DE2443830C3 (de) | 1973-09-26 | 1974-09-13 | Geschlossener gesinterter Dauermagnetring und Verfahren zur seiner Herstellung |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5542484B2 (enrdf_load_stackoverflow) |
| BR (1) | BR7407897D0 (enrdf_load_stackoverflow) |
| DE (1) | DE2443830C3 (enrdf_load_stackoverflow) |
| ES (1) | ES430342A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2245060B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1424659A (enrdf_load_stackoverflow) |
| IT (1) | IT1019366B (enrdf_load_stackoverflow) |
| NL (1) | NL7313231A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2446955A1 (fr) * | 1979-01-17 | 1980-08-14 | Aerospatiale | Systeme magnetique pour la stabilisation des corps tournants |
| CS213709B1 (en) * | 1979-03-13 | 1982-04-09 | Vaclav Landa | Anizotropous permanent magnets |
| JPS57121148U (enrdf_load_stackoverflow) * | 1981-01-20 | 1982-07-28 | ||
| TW304005U (en) * | 1992-03-18 | 1997-04-21 | Sumitomo Spec Metals | Radial anisotropic cylinder type ferrite magnets and motors |
-
1973
- 1973-09-26 NL NL7313231A patent/NL7313231A/xx not_active Application Discontinuation
-
1974
- 1974-09-13 DE DE19742443830 patent/DE2443830C3/de not_active Expired
- 1974-09-21 JP JP10833174A patent/JPS5542484B2/ja not_active Expired
- 1974-09-23 BR BR789774A patent/BR7407897D0/pt unknown
- 1974-09-23 GB GB4139774A patent/GB1424659A/en not_active Expired
- 1974-09-23 IT IT5316074A patent/IT1019366B/it active
- 1974-09-24 ES ES430342A patent/ES430342A1/es not_active Expired
- 1974-09-25 FR FR7432287A patent/FR2245060B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1424659A (en) | 1976-02-11 |
| IT1019366B (it) | 1977-11-10 |
| DE2443830A1 (de) | 1975-04-03 |
| ES430342A1 (es) | 1977-02-16 |
| DE2443830B2 (de) | 1977-08-18 |
| FR2245060B1 (enrdf_load_stackoverflow) | 1978-07-13 |
| JPS5542484B2 (enrdf_load_stackoverflow) | 1980-10-31 |
| FR2245060A1 (enrdf_load_stackoverflow) | 1975-04-18 |
| JPS5059798A (enrdf_load_stackoverflow) | 1975-05-23 |
| NL7313231A (nl) | 1975-04-01 |
| BR7407897D0 (pt) | 1975-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |