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GB1427035A - Electrical inducturs - Google Patents

Electrical inducturs

Info

Publication number
GB1427035A
GB1427035A GB655373A GB655373A GB1427035A GB 1427035 A GB1427035 A GB 1427035A GB 655373 A GB655373 A GB 655373A GB 655373 A GB655373 A GB 655373A GB 1427035 A GB1427035 A GB 1427035A
Authority
GB
United Kingdom
Prior art keywords
members
stampings
core
axis
inductor
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
Application number
GB655373A
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.)
Cetek Const Electrotech
Original Assignee
Cetek Const Electrotech
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
Priority claimed from FR7206669A external-priority patent/FR2173689B1/fr
Application filed by Cetek Const Electrotech filed Critical Cetek Const Electrotech
Publication of GB1427035A publication Critical patent/GB1427035A/en
Expired legal-status Critical Current

Links

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
    • 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
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08—High-leakage transformers or inductances
    • H01F38/10—Ballasts, e.g. for discharge lamps
    • 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
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

1427035 Inductors CONSTRUCTIONS ELECTROTECHNIQUES DU CENTRECETEK 9 Feb 1973 [28 Feb 1972 17 Jan 1973] 6553/73 Heading HIT An inductor is formed by a winding 39 on central core member 41 having a longitudinal axis 38 perpendicular to which are the planes of the stampings of two outer core members 36, 37, connected by flanged members 32, 33 on opposite sides of the inductor leaving on one side a space defined by members 32, 36, 41 and 37 and a corresponding space (not shown in Fig. 11) on the other side, each said stamping having inner and outer edges of complementary shape. Core part 1 may comprise hexagonal stampings with their planes perpendicular to axis 38 and with two opposed apices midway between the outer core members 36, 37 or rectangular stampings parallel to axis 38 as with core part 41, forming such a hexagonal cross-section. Other suitable shapes for members 36 and 37 are shown in Figs. 6-8 (not shown). An air gap of compressible polyterephthalate may be provided at L 3 . Member 32 may be extended at 32a to increase the core width from L 2 to L 4 , L 3 =L 1 . Members 32, 33 are deformed as at 32b, 32c to hold together the stampings of 36, 37.
GB655373A 1972-02-28 1973-02-09 Electrical inducturs Expired GB1427035A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7206669A FR2173689B1 (en) 1972-02-28 1972-02-28
FR7301545A FR2214164B2 (en) 1972-02-28 1973-01-17

Publications (1)

Publication Number Publication Date
GB1427035A true GB1427035A (en) 1976-03-03

Family

ID=26216940

Family Applications (1)

Application Number Title Priority Date Filing Date
GB655373A Expired GB1427035A (en) 1972-02-28 1973-02-09 Electrical inducturs

Country Status (12)

Country Link
US (1) US3824517A (en)
BE (1) BE795935A (en)
CA (1) CA966565A (en)
CH (1) CH576183A5 (en)
DD (1) DD105346A1 (en)
DE (1) DE2306370A1 (en)
ES (1) ES412094A1 (en)
FR (1) FR2214164B2 (en)
GB (1) GB1427035A (en)
IL (1) IL41574A (en)
LU (1) LU67096A1 (en)
NL (1) NL7302783A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU186411B (en) * 1981-05-22 1985-07-29 Hiradastechnikai Anyagok Gyara Plate of laminated core for magnetic circuits
DE3405063A1 (en) * 1984-02-13 1985-09-05 May & Christe Gmbh, Transformatorenwerke, 6370 Oberursel CONTROL UNIT FOR GAS DISCHARGE LAMPS
AU2001288928A1 (en) * 2000-09-07 2002-03-22 Nucore, Inc. High efficiency inductor
US10102952B2 (en) 2014-05-05 2018-10-16 Hubbell Incorporated Adjustable inductor
JP7253891B2 (en) * 2018-09-26 2023-04-07 Ntn株式会社 inductor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US461135A (en) * 1891-10-13 Electric inductional transformer
US1974588A (en) * 1932-03-07 1934-09-25 Harry W Nordendale Transformer or choke
US2294322A (en) * 1940-04-06 1942-08-25 Gen Ind Co Magnetic circuits
GB602290A (en) * 1940-06-26 1948-05-24 Philips Nv Improvements in or relating to magnetic circuits
US2907966A (en) * 1955-05-24 1959-10-06 Gen Electric Core member for inductive device
US2827615A (en) * 1955-11-07 1958-03-18 Gen Electric Inductive device
DE1563242A1 (en) * 1966-08-23 1969-11-27 Licentia Gmbh Ballast for fluorescent lamps
DE1638339A1 (en) * 1967-07-01 1970-06-18 Knobel Dubs Fritz Magnetic core
FR1560537A (en) * 1968-01-15 1969-03-21
AT304690B (en) * 1970-02-05 1973-01-25 Zumtobel Walter Transformer or induction coil

Also Published As

Publication number Publication date
CH576183A5 (en) 1976-05-31
US3824517A (en) 1974-07-16
LU67096A1 (en) 1973-05-03
NL7302783A (en) 1973-08-30
DD105346A1 (en) 1974-04-12
FR2214164B2 (en) 1979-04-27
FR2214164A2 (en) 1974-08-09
DE2306370A1 (en) 1973-09-06
CA966565A (en) 1975-04-22
IL41574A (en) 1976-08-31
ES412094A1 (en) 1976-01-01
BE795935A (en) 1973-06-18
IL41574A0 (en) 1973-04-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee