EP0092091A3 - Manufacture of powder cores for electromagnetic apparatus - Google Patents

Manufacture of powder cores for electromagnetic apparatus Download PDF

Info

Publication number
EP0092091A3
EP0092091A3 EP83103269A EP83103269A EP0092091A3 EP 0092091 A3 EP0092091 A3 EP 0092091A3 EP 83103269 A EP83103269 A EP 83103269A EP 83103269 A EP83103269 A EP 83103269A EP 0092091 A3 EP0092091 A3 EP 0092091A3
Authority
EP
European Patent Office
Prior art keywords
manufacture
electromagnetic apparatus
powder cores
cores
powder
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.)
Granted
Application number
EP83103269A
Other versions
EP0092091A2 (en
EP0092091B1 (en
EP0092091B2 (en
Inventor
Amitava Datta
Davidson M. Nathasingh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allied Corp
Original Assignee
Allied Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23451974&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0092091(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allied Corp filed Critical Allied Corp
Publication of EP0092091A2 publication Critical patent/EP0092091A2/en
Publication of EP0092091A3 publication Critical patent/EP0092091A3/en
Publication of EP0092091B1 publication Critical patent/EP0092091B1/en
Application granted granted Critical
Publication of EP0092091B2 publication Critical patent/EP0092091B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147—Alloys characterised by their composition
    • H01F1/153—Amorphous metallic alloys, e.g. glassy metals
    • H01F1/15358—Making agglomerates therefrom, e.g. by pressing
    • 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
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/20—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/22—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/24—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
EP83103269A 1982-04-15 1983-04-02 Apparatus for the production of magnetic powder Expired - Lifetime EP0092091B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36861282A 1982-04-15 1982-04-15
US368612 1982-04-15

Publications (4)

Publication Number Publication Date
EP0092091A2 EP0092091A2 (en) 1983-10-26
EP0092091A3 true EP0092091A3 (en) 1984-03-07
EP0092091B1 EP0092091B1 (en) 1986-06-18
EP0092091B2 EP0092091B2 (en) 1991-01-30

Family

ID=23451974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83103269A Expired - Lifetime EP0092091B2 (en) 1982-04-15 1983-04-02 Apparatus for the production of magnetic powder

Country Status (4)

Country Link
EP (1) EP0092091B2 (en)
JP (2) JPS5916306A (en)
CA (1) CA1232158A (en)
DE (1) DE3364158D1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4594104A (en) * 1985-04-26 1986-06-10 Allied Corporation Consolidated articles produced from heat treated amorphous bulk parts
JPH0733521B2 (en) * 1988-07-01 1995-04-12 セイコー電子部品株式会社 Method for producing alloy powder for anisotropic bonded magnet
CA2040741C (en) * 1990-04-24 2000-02-08 Kiyonori Suzuki Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials
IT1242582B (en) * 1990-10-05 1994-05-16 Intermac Srl PROCESS FOR AUTOMATIC POLISHED WIRE PROCESSING OF THE EDGE OF GLASS SLABS OF ANY SHAPE AND MACHINE FOR THE EXECUTION OF SUCH PROCEDURE.
JPH11158502A (en) * 1997-11-26 1999-06-15 Masaaki Yagi Compound powder and method for compacting compound powder
US6930581B2 (en) 2002-02-08 2005-08-16 Metglas, Inc. Current transformer having an amorphous fe-based core
JP4299152B2 (en) * 2004-01-08 2009-07-22 日本碍子株式会社 Electromagnetic wave shielding case and manufacturing method thereof
JP2008141012A (en) * 2006-12-01 2008-06-19 Hitachi Powdered Metals Co Ltd Reactor
JP2018152449A (en) 2017-03-13 2018-09-27 株式会社東芝 Plural flat magnetic metal particles, pressed powder material, and rotary electric machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856553A (en) * 1970-06-08 1974-12-24 Fuji Photo Film Co Ltd Light-resistant-color developing sheet for pressure-sensitive copying paper
US3856513A (en) * 1972-12-26 1974-12-24 Allied Chem Novel amorphous metals and amorphous metal articles
DE2628207A1 (en) * 1976-06-23 1978-01-05 Draloric Electronic Soft magnetic moulded bodies mfr. - from mixture of powdered magnetic material and binder contg. a solvent for the binder
US4116728A (en) * 1976-09-02 1978-09-26 General Electric Company Treatment of amorphous magnetic alloys to produce a wide range of magnetic properties
US4142571A (en) * 1976-10-22 1979-03-06 Allied Chemical Corporation Continuous casting method for metallic strips
EP0035037A1 (en) * 1979-05-16 1981-09-09 Sumitomo Special Metal Co., Ltd. Microcrystalline thin strip for magnetic material having high magnetic permeability
EP0035644A1 (en) * 1980-03-06 1981-09-16 Allied Corporation Magnetic amorphous metal alloys

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU503857B2 (en) * 1976-10-22 1979-09-20 Allied Chemical Corp. Continuous casting of metal strip
US4215084A (en) * 1978-05-03 1980-07-29 The Battelle Development Corporation Method and apparatus for producing flake particles
JPS57187357A (en) * 1981-05-15 1982-11-18 Aisin Seiki Co Ltd Soft magnetic resin composed of amorphous alloy
JPS58163555A (en) * 1982-03-24 1983-09-28 Nippon Yakin Kogyo Co Ltd Device for producing foil piece directly from molten material
JPS58163557A (en) * 1982-03-25 1983-09-28 Nippon Yakin Kogyo Co Ltd Producing device for foil piece
JPS58163556A (en) * 1982-03-25 1983-09-28 Nippon Yakin Kogyo Co Ltd Producing device for foil piece
JPS5939224B2 (en) * 1982-04-08 1984-09-21 日本冶金工業株式会社 Foil piece manufacturing equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856553A (en) * 1970-06-08 1974-12-24 Fuji Photo Film Co Ltd Light-resistant-color developing sheet for pressure-sensitive copying paper
US3856513A (en) * 1972-12-26 1974-12-24 Allied Chem Novel amorphous metals and amorphous metal articles
DE2628207A1 (en) * 1976-06-23 1978-01-05 Draloric Electronic Soft magnetic moulded bodies mfr. - from mixture of powdered magnetic material and binder contg. a solvent for the binder
US4116728A (en) * 1976-09-02 1978-09-26 General Electric Company Treatment of amorphous magnetic alloys to produce a wide range of magnetic properties
US4116728B1 (en) * 1976-09-02 1994-05-03 Gen Electric Treatment of amorphous magnetic alloys to produce a wide range of magnetic properties
US4142571A (en) * 1976-10-22 1979-03-06 Allied Chemical Corporation Continuous casting method for metallic strips
EP0035037A1 (en) * 1979-05-16 1981-09-09 Sumitomo Special Metal Co., Ltd. Microcrystalline thin strip for magnetic material having high magnetic permeability
EP0035644A1 (en) * 1980-03-06 1981-09-16 Allied Corporation Magnetic amorphous metal alloys

Also Published As

Publication number Publication date
JPH0534814B2 (en) 1993-05-25
DE3364158D1 (en) 1986-07-24
EP0092091A2 (en) 1983-10-26
CA1256667C (en) 1989-07-04
EP0092091B1 (en) 1986-06-18
JPH0277505A (en) 1990-03-16
EP0092091B2 (en) 1991-01-30
JPS5916306A (en) 1984-01-27
CA1232158A (en) 1988-02-02

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