GB1315659A - Electromagnets - Google Patents

Electromagnets

Info

Publication number
GB1315659A
GB1315659A GB1315659DA GB1315659A GB 1315659 A GB1315659 A GB 1315659A GB 1315659D A GB1315659D A GB 1315659DA GB 1315659 A GB1315659 A GB 1315659A
Authority
GB
United Kingdom
Prior art keywords
electromagnets
convolutions
steel strip
aluminium
strip
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
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Joseph Lucas Industries Ltd
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 Lucas Industries Ltd, Joseph Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of GB1315659A publication Critical patent/GB1315659A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Toys (AREA)
  • Electromagnets (AREA)

Abstract

1315659 Electromagnets JOSEPH LUCAS (INDUSTRIES) Ltd 28 Oct 1970 [10 Nov 1969] 54873/69 Heading H1P An electromagnet 11, e.g. for a horn comprises plural convolutions of mild steel strip 12 interleaved with convolutions of aluminium tape 13 insulated therefrom with paper or varnish (not shown). Connections are made to the ends of the aluminium strip which is wound with the steel strip in a circular or other shaped former.
GB1315659D 1969-11-10 1969-11-10 Electromagnets Expired GB1315659A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5487369 1969-11-10

Publications (1)

Publication Number Publication Date
GB1315659A true GB1315659A (en) 1973-05-02

Family

ID=10472318

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1315659D Expired GB1315659A (en) 1969-11-10 1969-11-10 Electromagnets

Country Status (3)

Country Link
DE (1) DE2054851A1 (en)
FR (1) FR2069227A5 (en)
GB (1) GB1315659A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060784A (en) * 1976-01-14 1977-11-29 A/S National Industri Electrical inductive apparatus
GB2133932A (en) * 1982-12-31 1984-08-01 Int Research & Dev Co Ltd Improvements to strip wound magnetic cores
US4916425A (en) * 1986-04-22 1990-04-10 Nachum Zabar Electromagnetic device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2709861B1 (en) * 1993-09-10 1995-10-13 Gec Alsthom T & D Sa Inductive current limiter.
DE9415636U1 (en) * 1994-09-27 1995-02-16 Siemens Ag Bobbin

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060784A (en) * 1976-01-14 1977-11-29 A/S National Industri Electrical inductive apparatus
GB2133932A (en) * 1982-12-31 1984-08-01 Int Research & Dev Co Ltd Improvements to strip wound magnetic cores
US4916425A (en) * 1986-04-22 1990-04-10 Nachum Zabar Electromagnetic device

Also Published As

Publication number Publication date
DE2054851A1 (en) 1971-05-19
FR2069227A5 (en) 1971-09-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee