LV11391B - Magnetorheological marerials based on alloy particles - Google Patents

Magnetorheological marerials based on alloy particles Download PDF

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Publication number
LV11391B
LV11391B LVP-95-114A LV950114A LV11391B LV 11391 B LV11391 B LV 11391B LV 950114 A LV950114 A LV 950114A LV 11391 B LV11391 B LV 11391B
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LV
Latvia
Prior art keywords
magnetoreological
iron
material according
magnetorheological
oils
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LVP-95-114A
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English (en)
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LV11391A (lv
Inventor
David J. Carlson
D. Keith Weiss
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Lord Corp
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Publication of LV11391A publication Critical patent/LV11391A/lv
Publication of LV11391B publication Critical patent/LV11391B/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H01F1/447—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids characterised by magnetoviscosity, e.g. magnetorheological, magnetothixotropic, magnetodilatant liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H01F1/442—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a metal or alloy, e.g. Fe

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Lubricants (AREA)

Claims (23)

1 LV 11391 Izgudrojuma formula 1. Magnetoreoloģiskais materiāls, kas satur nesējšķidrumu un daļiņas, kas atšķiras ar to, ka daļiņas sastāv no dzelzs sakausējuma, kas ņemts no rindas: dzelzs-kobalta sakausējumi ar dzelzs : kobalta attiecību aptuveni no 30 : 70 fīdz 95 : 5 un dzelzs-niķeļa sakausējumi ar dzelzs : niķeļa attiecību aptuveni no 90 : 10 līdz 99:1.
2. Magnetoreoloģiskais materiāls pēc 1. punkta, kas atšķiras arto, ka dzelzs-kobalta sakausējuma dzelzs : kobalta attiecība ir aptuveni no 50 : 50 līdz 85 :15 un dzelzs-niķeļa sakausējuma dzelzs : niķeļa attiecība ir aptuveni no 94 : 6 līdz 97 : 3.
3. Magnetoreoloģiskais materiāls pēc 1. punkta, kas atšķiras ar to, ka dzelzs sakausējumi satur mazāk par trīs masas procentiem vanādija vai hroma.
4. Magnetoreoloģiskais materiāls pēc 1. punkta, kas atšķiras arto, ka dzelzs sakausējuma daļiņu diametrs ir no 0,1 līdz 500 μιτι.
5. Magnetoreoloģiskais materiāls pēc 4. punkta, kas atšķiras ar to, ka daļiņu diametrs ir no 0,1 līdz 500 μιτι. 2
6. Magnetoreoloģiskais materiāls pēc 5. punkta, kas atšķiras arto, ka daļiņu diametrs ir no 1 Hdz 50 μιτι.
7. Magnetoreoloģiskais materiāls pēc 1. punkta, kas atšķiras ar to, ka nesējšķidrums ņemts no rindas: minerāleļļas, silikonu eļļas, silikonu kopolimēru gaišās eļļas, parafmeļļas, hidrauliskās eļļas, hlorētie parafim, transformatoru eļļas, halogenēti šķidri aromātiskie ogļūdeņraži, halogenēti parafim, diesteri, poloksialkilēni, perfluorēti poliēteri, fluorēti ogļūdeņraži, fluorēti silikoni, steriski apgrūtināti esteri, ciānalkilsiloksānu homopolimēri, modificēti nesējšķidrumi ar vadāmību, mazāku par 1x10'7 S/m, kā arī to maisījumi.
8. Magnetoreoloģiskais materiāls pēc 7. punkta, kas atšķiras arto, ka nesējšķidruma viskozitāte ir aptuveni 2 -1000 centipuāzu.
9. Magnetoreoloģiskais materiāls pēc 8. punkta, kas atšķiras ar to, ka nesējšķidruma viskozitāte ir aptuveni 3 - 200 centipuāzu.
10. Magnetoreoloģiskais materiāls pēc 9. punkta, kas atšķiras ar to, ka nesējšķidruma viskozitāte ir aptuveni 5-100 centipuāzu.
11. Magnetoreoloģiskais materiāls pēc 7. punkta, kas atšķiras ar to, ka nesējšķidrums ņemts no rindas: minerāleļļas, parafmeļļas, silikonu eļļas, silikonu kopolimēri un perfluorēti ēteri.
12. Magnetoreoloģiskais materiāls pēc 11. punkta, kas atšķiras ar to, nesējšķidrums ir silikonu eļļa vai minerāleļļa.
13. Magnetoreoloģiskais materiāls pēc 1. punkta, kas atšķiras arto, ka tam papildus pievienota virsmasaktīva viela. 3 3 LV 11391
14. Magnetoreoloģiskais materiāls pēc 13. punkta, kas atšķiras ar to, ka virsmasaktīvā viela ņemta no rindas: dzelzs oleāts un naftenāts, alumīnija ziepes, sārmmetālu ziepes, sulfonāti, fosforskābes esteri, stearīnskābe, glicerīna monooleāts, sorbita esteris ar sešām oleīnskābes molekulām, stearīnskābes esteri, laurīnskābes esteri, taukskābes, alifātiskie spirti, polimēri esteri ar fluorētiem alifātiskiem spirtiem, hidrofobais modificētais silīcija dioksīds, nogulsnētais silikagēls, kā arī satur stabilizatorus uz titanātu, aluminātu un cirkonātu bāzes.
15. Magnetoreoloģiskais materiāls pēc 14. punkta, kas atšķiras arto, ka virsmasaktīvā viela ir hidrofobais modificētais silīcija dioksīds, nogulsnētais silikagēls, fosforskābes esteris, polimērs esteris ar fluorētiem alifātiskajiem spirtiem vai stabilizators.
16. Magnetoreoloģiskais materiāls pēc 15. punkta, kas atšķiras ar to, ka nogulsnētais silikagēls ir žāvēts konvekcijas krāsnī pie aptuveni 110-150 °C no aptuveni 3 stundām līdz aptuveni 24 stundām.
17. Magnetoreoloģiskais materiāls pēc 13. punkta, kas atšķiras ar to, ka virsmasaktīvā viela pievienota aptuveni 0,1 - 20 % no daļiņu komponenta masas.
18. Magnetoreoloģiskais materiāls pēc 1. punkta, kas atšķiras ar to, ka daļiņu nogulsnēšanos ierobežo ar tiksotropas struktūras veidošanu.
19. Magnetoreoloģiskais materiāls pēc 18. punkta, kas atšķiras arto, ka tiksotropās struktūras veidošanos veicina, pievienojot zemmolekulāru vielu, kas veido ūdeņraža saiti, piemēram, hidroksilgrupu, karboksilgrupu vai aminogrupu saturošu vielu.
20. Magnetoreoloģiskais materiāls pēc 19. punkta, kas atšķiras ar to, ka zemmolekulārā, ūdeņraža saiti veidojošā, viela ir ņemta no rindas: ūdens, 4 metilspirts, etilspirts, propilspirts, izopropilspirts, butilspirts, heksilspirts, etilēnglikols, dietilēnglikols, propilēnglikols, glicerīns, alifātiskie, aromātiskie un heterocikliskie amīni, tai skaitā pirmējie, otrējie un trešējie aminospirti ar 1-16 oglekļa atomiem molekulā, metilamīns, butilamīns, oktilamīns, dodecilamīns, heksadecilamīns, dietilamīns, diizopropilamīns un dibutilamīns, etanolamīns, propanolamīns, etoksietilamīns, propilēndiamīns, trietanolamīns, trietilēntetramīns, piridīns, morfolīns, imidazols, kā arī to maisījumi.
21. Magnetoreoloģiskais materiāls pēc 1. punkta, kas atšķiras ar to, ka dzelzs sakausējuma daļiņas veido aptuveni 5-50 %, bet nesējšķidrums -50 - 95 % no kopējā magnetoreoloģiskā materiāla tilpuma.
22. Magnetoreoloģiskais materiāls pēc 21 . punkta, kas atšķiras ar to, ka dzelzs sakausējuma daļiņas veido aptuveni 10-45 %, bet nesējšķidrums - 55 - 90 % no kopējā magnetoreoloģiskā materiāla tilpuma.
23. Magnetoreoloģiskais materiāls pēc 22 . punkta, kas atšķiras ar to, ka dzelzs sakausējuma daļiņas veido aptuveni 20 - 35 %, bet nesējšķidrums - 65 - 80 % no kopējā magnetoreoloģiskā materiāla tilpuma.
LVP-95-114A 1992-10-30 1995-04-28 Magnetorheological marerials based on alloy particles LV11391B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/968,734 US5382373A (en) 1992-10-30 1992-10-30 Magnetorheological materials based on alloy particles
PCT/US1993/009517 WO1994010691A1 (en) 1992-10-30 1993-10-06 Magnetorheological materials based on alloy particles

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LV11391A LV11391A (lv) 1996-06-20
LV11391B true LV11391B (en) 1996-10-20

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US (1) US5382373A (lv)
EP (1) EP0667028A1 (lv)
JP (1) JPH08502779A (lv)
CN (1) CN1092460A (lv)
CA (1) CA2146551A1 (lv)
LV (1) LV11391B (lv)
RU (1) RU95109902A (lv)
WO (1) WO1994010691A1 (lv)

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CN1092460A (zh) 1994-09-21
EP0667028A1 (en) 1995-08-16
US5382373A (en) 1995-01-17
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JPH08502779A (ja) 1996-03-26
LV11391A (lv) 1996-06-20

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