US3546645A - Divisible laminated magnetic core structures for transformers or choke coils of great power - Google Patents

Divisible laminated magnetic core structures for transformers or choke coils of great power Download PDF

Info

Publication number
US3546645A
US3546645A US784416A US3546645DA US3546645A US 3546645 A US3546645 A US 3546645A US 784416 A US784416 A US 784416A US 3546645D A US3546645D A US 3546645DA US 3546645 A US3546645 A US 3546645A
Authority
US
United States
Prior art keywords
magnetic core
divisible
portions
laminations
laminated magnetic
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 - Lifetime
Application number
US784416A
Other languages
English (en)
Inventor
Egbertus A Frowein
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.)
Smit Nijmegen Electrotechnische Fabrieken NV
Original Assignee
Smit Nijmegen Electrotechnische Fabrieken NV
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 Smit Nijmegen Electrotechnische Fabrieken NV filed Critical Smit Nijmegen Electrotechnische Fabrieken NV
Application granted granted Critical
Publication of US3546645A publication Critical patent/US3546645A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
US784416A 1967-12-21 1968-12-17 Divisible laminated magnetic core structures for transformers or choke coils of great power Expired - Lifetime US3546645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6717462A NL6717462A (xx) 1967-12-21 1967-12-21

Publications (1)

Publication Number Publication Date
US3546645A true US3546645A (en) 1970-12-08

Family

ID=19802055

Family Applications (1)

Application Number Title Priority Date Filing Date
US784416A Expired - Lifetime US3546645A (en) 1967-12-21 1968-12-17 Divisible laminated magnetic core structures for transformers or choke coils of great power

Country Status (9)

Country Link
US (1) US3546645A (xx)
AT (1) AT283493B (xx)
BE (1) BE725777A (xx)
CH (1) CH489879A (xx)
DE (1) DE1815560B2 (xx)
FR (1) FR1600749A (xx)
GB (1) GB1250796A (xx)
NL (1) NL6717462A (xx)
SE (1) SE349184B (xx)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3216076A1 (de) * 1981-05-04 1982-11-18 General Electric Co., Schenectady, N.Y. Transformatorkern und verfahren zum aufbringen von transformatorwicklungen auf einen transformatorkern
US4520556A (en) * 1981-05-04 1985-06-04 General Electric Company Methods for assembling a transformer core
US20120001712A1 (en) * 2010-06-30 2012-01-05 Silviu Puchianu Transformers
US20210217551A1 (en) * 2018-05-11 2021-07-15 Abb Power Grids Switzerland Ag Magnetic core for an electromagnetic induction device, an electromagnetic induction device comprising the same, and a method of manufacturing a magnetic core

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727457C2 (de) * 1987-08-18 1997-02-13 Waasner Elektrotechnische Fabr Drehstromtransformator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523072A (en) * 1947-01-18 1950-09-19 Gen Electric Magnetic core
US2702936A (en) * 1952-04-07 1955-03-01 Gen Electric Method of making magnetic cores
US3344383A (en) * 1965-12-30 1967-09-26 Sylvania Electric Prod Core portions having fused bond joint outside of embrace of coils thereon

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2523072A (en) * 1947-01-18 1950-09-19 Gen Electric Magnetic core
US2702936A (en) * 1952-04-07 1955-03-01 Gen Electric Method of making magnetic cores
US3344383A (en) * 1965-12-30 1967-09-26 Sylvania Electric Prod Core portions having fused bond joint outside of embrace of coils thereon

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3216076A1 (de) * 1981-05-04 1982-11-18 General Electric Co., Schenectady, N.Y. Transformatorkern und verfahren zum aufbringen von transformatorwicklungen auf einen transformatorkern
US4520556A (en) * 1981-05-04 1985-06-04 General Electric Company Methods for assembling a transformer core
US20120001712A1 (en) * 2010-06-30 2012-01-05 Silviu Puchianu Transformers
US20210217551A1 (en) * 2018-05-11 2021-07-15 Abb Power Grids Switzerland Ag Magnetic core for an electromagnetic induction device, an electromagnetic induction device comprising the same, and a method of manufacturing a magnetic core

Also Published As

Publication number Publication date
DE1815560A1 (de) 1969-07-17
FR1600749A (xx) 1970-07-27
NL6717462A (xx) 1969-06-24
CH489879A (de) 1970-04-30
GB1250796A (xx) 1971-10-20
BE725777A (xx) 1969-05-29
SE349184B (xx) 1972-09-18
DE1815560B2 (de) 1972-05-10
AT283493B (de) 1970-08-10

Similar Documents

Publication Publication Date Title
US3878495A (en) Magnetic core for electrical inductive apparatus
US2792511A (en) Oriented-punching cores for dynamoelectric machines
US3480229A (en) Coil winding form
US3153215A (en) Magnetic core structure
US2702936A (en) Method of making magnetic cores
US3546645A (en) Divisible laminated magnetic core structures for transformers or choke coils of great power
US2465798A (en) Magnetic core
US5168255A (en) Three phase transformer
US3895336A (en) Transformer core with composite offset V-miter and step joint
US2550500A (en) Low yoke transformer core
US3395373A (en) Three-phase transformer having four core legs
US3577109A (en) Magnetic shielding construction for electric transformers
US3477053A (en) Magnetic core structures
US1644729A (en) Stationary induction apparatus
US3157850A (en) Magnetic cores
US2896181A (en) Magnetic core
US3428930A (en) Laminated magnetic core structures for transformers or choke coils of great power
US2408212A (en) Electrical induction apparatus
US3153214A (en) Wound magnetic core structure for inductive apparatus
US4357587A (en) Core laminations, particularly for transformers
US2812505A (en) Magnetic core for stationary electrical induction apparatus
US3538474A (en) Transformer core
US3017591A (en) Stacked magnetic core having magnetization curve with sharp knee
US2632798A (en) Square corner joint core
US2412914A (en) Magnetic core