GB1384079A - Electromagnetic devices - Google Patents

Electromagnetic devices

Info

Publication number
GB1384079A
GB1384079A GB4503672A GB4503672A GB1384079A GB 1384079 A GB1384079 A GB 1384079A GB 4503672 A GB4503672 A GB 4503672A GB 4503672 A GB4503672 A GB 4503672A GB 1384079 A GB1384079 A GB 1384079A
Authority
GB
United Kingdom
Prior art keywords
electromagnetic devices
electromagnetic
devices
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
GB4503672A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1384079A publication Critical patent/GB1384079A/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
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • 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
    • H01F27/08—Cooling; Ventilating
    • H01F27/22—Cooling by heat conduction through solid or powdered fillings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/025—Constructional details of transformers or reactors with tapping on coil or windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/06—Variable transformers or inductances not covered by group H01F21/00 with current collector gliding or rolling on or along winding
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Regulation Of General Use Transformers (AREA)
  • Thermistors And Varistors (AREA)
GB4503672A 1971-09-30 1972-09-29 Electromagnetic devices Expired GB1384079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18526971A 1971-09-30 1971-09-30

Publications (1)

Publication Number Publication Date
GB1384079A true GB1384079A (en) 1975-02-19

Family

ID=22680304

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4503672A Expired GB1384079A (en) 1971-09-30 1972-09-29 Electromagnetic devices

Country Status (8)

Country Link
US (1) US3710187A (en)
JP (1) JPS559820B2 (en)
DE (1) DE2247410A1 (en)
FR (1) FR2154724B1 (en)
GB (1) GB1384079A (en)
IT (1) IT967759B (en)
NL (1) NL7213179A (en)
SE (1) SE373976B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396970A (en) * 1981-01-12 1983-08-02 Tii Industries Inc. Overvoltage surge arrester with predetermined creepage path
DE19637211C2 (en) * 1996-09-12 1999-06-24 Siemens Matsushita Components Device for dissipating heat from ferrite cores of inductive components
US6547596B1 (en) * 2000-05-30 2003-04-15 Amphenol-Tuchel Electronics Gmbh Filtered electrical connector with ferrite member and coil
US20030078005A1 (en) * 2001-10-18 2003-04-24 Airnet Ltd. Apparatus and methods for noise suppression in communications systems
CN101331562B (en) * 2005-10-19 2011-06-01 东莞令特电子有限公司 A varistor and production method
CN101506912B (en) * 2006-09-19 2011-10-12 东莞令特电子有限公司 Manufacture of varistors comprising a passivation layer
JP6152307B2 (en) * 2013-06-19 2017-06-21 パイオニア株式会社 Coil unit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2803570A (en) * 1952-08-05 1957-08-20 Michigan Bumper Corp Method of making magnetic core layers
US3307074A (en) * 1964-11-05 1967-02-28 Westinghouse Electric Corp Transformer structure with built-in overvoltage protection

Also Published As

Publication number Publication date
US3710187A (en) 1973-01-09
JPS4842322A (en) 1973-06-20
FR2154724A1 (en) 1973-05-11
DE2247410A1 (en) 1973-04-12
FR2154724B1 (en) 1977-08-26
NL7213179A (en) 1973-04-03
SE373976B (en) 1975-02-17
JPS559820B2 (en) 1980-03-12
IT967759B (en) 1974-03-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees