FR2367336A1 - Magnetic core system of stacked plates - has M-shaped plates in two groups with first group interleaved while second group are not interleaved - Google Patents

Magnetic core system of stacked plates - has M-shaped plates in two groups with first group interleaved while second group are not interleaved

Info

Publication number
FR2367336A1
FR2367336A1 FR7730015A FR7730015A FR2367336A1 FR 2367336 A1 FR2367336 A1 FR 2367336A1 FR 7730015 A FR7730015 A FR 7730015A FR 7730015 A FR7730015 A FR 7730015A FR 2367336 A1 FR2367336 A1 FR 2367336A1
Authority
FR
France
Prior art keywords
group
interleaved
plates
magnetic core
groups
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.)
Pending
Application number
FR7730015A
Other languages
French (fr)
Inventor
George Muir Orr Harkness
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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 GB4161076A external-priority patent/GB1581644A/en
Application filed by BICC PLC filed Critical BICC PLC
Publication of FR2367336A1 publication Critical patent/FR2367336A1/en
Pending 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
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps

Abstract

Magnetic core is constructed of a stack of ferromagnetic plates defining a pair of holes for receiving a coil. The plates are 'M' shaped and form two distinct groups. Plates of the first group (4) are sandwiched between the plates of the second group (13).
FR7730015A 1976-10-06 1977-10-05 Magnetic core system of stacked plates - has M-shaped plates in two groups with first group interleaved while second group are not interleaved Pending FR2367336A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4161076A GB1581644A (en) 1976-10-06 1976-10-06 Magnetic cores
GB4183076 1976-10-07

Publications (1)

Publication Number Publication Date
FR2367336A1 true FR2367336A1 (en) 1978-05-05

Family

ID=26264714

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7730015A Pending FR2367336A1 (en) 1976-10-06 1977-10-05 Magnetic core system of stacked plates - has M-shaped plates in two groups with first group interleaved while second group are not interleaved

Country Status (2)

Country Link
DE (1) DE7730094U1 (en)
FR (1) FR2367336A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008032799A1 (en) * 2008-07-11 2010-01-14 Abb Technology Ag E-shaped core e.g. round core such as winding core, for power transformer, has sheet plates forming sheet plate packets and stacked on top of each other so that one of plates is laterally shifted in plane opposite to adjacent plates

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB315893A (en) * 1928-02-20 1929-07-22 Philips Nv Improvements in or relating to transformer cores and the methods of assembling such cores
US2400559A (en) * 1942-11-25 1946-05-21 Bell Telephone Labor Inc Inductance device
US2603691A (en) * 1949-11-10 1952-07-15 Gen Electric Magnetic core construction
DE1008817B (en) * 1954-02-05 1957-05-23 Siemens Ag Rectangular magnetic core made of laminated sheet metal for electrical induction devices, especially transformers
GB857303A (en) * 1958-07-29 1960-12-29 British Thomson Houston Co Ltd Improvements in and relating to laminated core members having butt joints
DE1153830B (en) * 1959-01-28 1963-09-05 Gen Electric Magnetic core made of stacked E-shaped and I-shaped sheet metal sections for a transformer or a coil and process for the production of this core
FR2134409A1 (en) * 1971-04-23 1972-12-08 Westinghouse Electric Corp
GB1529967A (en) * 1977-04-28 1978-10-25 Bicc Ltd Magnetic cores

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB315893A (en) * 1928-02-20 1929-07-22 Philips Nv Improvements in or relating to transformer cores and the methods of assembling such cores
US2400559A (en) * 1942-11-25 1946-05-21 Bell Telephone Labor Inc Inductance device
US2603691A (en) * 1949-11-10 1952-07-15 Gen Electric Magnetic core construction
DE1008817B (en) * 1954-02-05 1957-05-23 Siemens Ag Rectangular magnetic core made of laminated sheet metal for electrical induction devices, especially transformers
GB857303A (en) * 1958-07-29 1960-12-29 British Thomson Houston Co Ltd Improvements in and relating to laminated core members having butt joints
DE1153830B (en) * 1959-01-28 1963-09-05 Gen Electric Magnetic core made of stacked E-shaped and I-shaped sheet metal sections for a transformer or a coil and process for the production of this core
FR2134409A1 (en) * 1971-04-23 1972-12-08 Westinghouse Electric Corp
GB1529967A (en) * 1977-04-28 1978-10-25 Bicc Ltd Magnetic cores

Also Published As

Publication number Publication date
DE7730094U1 (en) 1978-01-05

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