IT1128663B - Cuscinetto a magnete permanente e fluido magnetico e procedimento per produrlo - Google Patents

Cuscinetto a magnete permanente e fluido magnetico e procedimento per produrlo

Info

Publication number
IT1128663B
IT1128663B IT49355/80A IT4935580A IT1128663B IT 1128663 B IT1128663 B IT 1128663B IT 49355/80 A IT49355/80 A IT 49355/80A IT 4935580 A IT4935580 A IT 4935580A IT 1128663 B IT1128663 B IT 1128663B
Authority
IT
Italy
Prior art keywords
procedure
produce
permanent magnet
magnetic fluid
magnet bearing
Prior art date
Application number
IT49355/80A
Other languages
English (en)
Other versions
IT8049355A0 (it
Inventor
George J Hoffmann
Original Assignee
Litton Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Publication of IT8049355A0 publication Critical patent/IT8049355A0/it
Application granted granted Critical
Publication of IT1128663B publication Critical patent/IT1128663B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
    • H01F41/028—Radial anisotropy
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0236—Magnetic suspension or levitation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
IT49355/80A 1979-07-30 1980-07-28 Cuscinetto a magnete permanente e fluido magnetico e procedimento per produrlo IT1128663B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6219779A 1979-07-30 1979-07-30

Publications (2)

Publication Number Publication Date
IT8049355A0 IT8049355A0 (it) 1980-07-28
IT1128663B true IT1128663B (it) 1986-06-04

Family

ID=22040823

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49355/80A IT1128663B (it) 1979-07-30 1980-07-28 Cuscinetto a magnete permanente e fluido magnetico e procedimento per produrlo

Country Status (7)

Country Link
JP (1) JPS5642722A (it)
CA (1) CA1149852A (it)
DE (1) DE3028454A1 (it)
FR (1) FR2467318A1 (it)
GB (2) GB2058953B (it)
IL (1) IL60597A0 (it)
IT (1) IT1128663B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8602343A (nl) * 1986-09-16 1988-04-18 Skf Ind Trading & Dev Glijlager-samenstel.
GB2222679B (en) * 1988-03-15 1991-10-16 Baroid Technology Inc Accelerometers
JPH04313748A (ja) * 1991-01-23 1992-11-05 Konica Corp 撮影ユニット
JP2599459Y2 (ja) * 1991-03-15 1999-09-06 エヌオーケー株式会社 磁性流体軸受
ES2086711T3 (es) * 1991-07-11 1996-07-01 Laube Hans Juergen Cuerpo magnetico compuesto de varios cuerpos magneticos individuales y cojinete de levitacion magnetica permanente con un cuerpo magnetico global compuesto de varios imanes individuales.
JPH0728599U (ja) * 1993-11-09 1995-05-30 株式会社プラスパ 小チップの積み上げクラフト及びチップ材
DE10244495A1 (de) * 2002-09-25 2004-04-08 Saurer Gmbh & Co. Kg Textilmaschine mit einer Vielzahl von Arbeitsstellen
US9462388B2 (en) 2004-06-03 2016-10-04 Tymphany Hk Limited Acoustic transducer comprising a plurality of coaxially arranged diaphragms
WO2005122637A1 (en) * 2004-06-03 2005-12-22 Tymphany Corporation Acoustic transducer comprising a plurality of coaxially arranged diaphragms
DE202005005904U1 (de) * 2005-04-07 2006-08-17 Ebm-Papst St. Georgen Gmbh & Co. Kg Anordnung zur Lagerung einer drehbaren Welle

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1052192B (de) * 1956-07-14 1959-03-05 Philips Nv Abdichtung fuer eine Wellendurchfuehrung durch die Wand eines feine Eisenteilchen enthaltenden Raumes
GB842531A (en) * 1958-12-24 1960-07-27 Mullard Ltd Permanent magnets
DE2034213C3 (de) * 1969-10-10 1985-04-25 Ferrofluidics Corp., Burlington, Mass. Magnetdichtung zur Abdichtung von Dichtungsspalten
US3620584A (en) * 1970-05-25 1971-11-16 Ferrofluidics Corp Magnetic fluid seals
GB1413118A (en) * 1972-12-08 1975-11-05 Godsill J K Lubrication
US3726574A (en) * 1971-08-13 1973-04-10 Litton Systems Inc Ferrohydrodynamic low-friction bearing with volume compensation
US3746407A (en) * 1971-08-13 1973-07-17 Litton Systems Inc Ferrohydrodynamic low friction bearing
DE2213465C3 (de) * 1972-03-20 1986-02-13 Padana AG, Zug Elektromagnetisches Lagerelement
USRE27955E (en) * 1972-05-19 1974-04-02 Bearing arrangement with magnetic fluid defining bearing pads
DE2245039B2 (de) * 1972-09-14 1976-01-02 Daimler-Benz Ag, 7000 Stuttgart Gleitlager
US3918773A (en) * 1974-01-07 1975-11-11 Litton Systems Inc Magnetic field responsive hydrodynamic bearing
DE2420825C3 (de) * 1974-04-30 1980-04-17 Padana Ag, Zug (Schweiz) Magnetische Lagerung eines Rotors
US4065188A (en) * 1975-02-10 1977-12-27 Strathearn Audio Limited Linear bearing for parallel tracking arm
US4043612A (en) * 1975-06-06 1977-08-23 Ampex Corporation Bearing structure

Also Published As

Publication number Publication date
FR2467318B1 (it) 1984-08-10
GB2124033B (en) 1984-08-01
GB2124033A (en) 1984-02-08
JPS5642722A (en) 1981-04-21
CA1149852A (en) 1983-07-12
DE3028454A1 (de) 1981-02-19
IT8049355A0 (it) 1980-07-28
GB2058953B (en) 1983-05-05
GB2058953A (en) 1981-04-15
IL60597A0 (en) 1980-09-16
FR2467318A1 (fr) 1981-04-17

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