GB928119A - Improvements in or relating to electromagnetic switches retained set by remanent magnetism - Google Patents

Improvements in or relating to electromagnetic switches retained set by remanent magnetism

Info

Publication number
GB928119A
GB928119A GB22629/61A GB2262961A GB928119A GB 928119 A GB928119 A GB 928119A GB 22629/61 A GB22629/61 A GB 22629/61A GB 2262961 A GB2262961 A GB 2262961A GB 928119 A GB928119 A GB 928119A
Authority
GB
United Kingdom
Prior art keywords
remanent magnetism
relating
electromagnetic switches
retained set
minutes
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
GB22629/61A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of GB928119A publication Critical patent/GB928119A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Soft Magnetic Materials (AREA)
  • Electromagnets (AREA)
GB22629/61A 1960-07-13 1961-06-22 Improvements in or relating to electromagnetic switches retained set by remanent magnetism Expired GB928119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42678A US3128418A (en) 1960-07-13 1960-07-13 Magnetically latched switch operator

Publications (1)

Publication Number Publication Date
GB928119A true GB928119A (en) 1963-06-06

Family

ID=21923187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22629/61A Expired GB928119A (en) 1960-07-13 1961-06-22 Improvements in or relating to electromagnetic switches retained set by remanent magnetism

Country Status (5)

Country Link
US (1) US3128418A (https=)
BE (1) BE605899A (https=)
DE (1) DE1224051B (https=)
GB (1) GB928119A (https=)
NL (2) NL126658C (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1053990A (https=) * 1963-11-15
US3364449A (en) * 1963-12-18 1968-01-16 Bell Telephone Labor Inc Magnetically actuated switching devices
GB1145083A (en) * 1965-04-30 1969-03-12 Modern Prec Engineering Finchl Improvements in or relating to electromagnetic switches
FR2371766A1 (fr) * 1976-11-23 1978-06-16 Metalimphy Relais polarise
US5959517A (en) * 1998-07-21 1999-09-28 Eaton Corporation Fault current tolerable contactor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735967A (en) * 1956-02-21 Electromagnetic relays
US2397116A (en) * 1944-08-15 1946-03-26 Westinghouse Electric Corp Control system
US2935656A (en) * 1956-05-15 1960-05-03 Gen Dynamics Corp Annunciator device
US2885606A (en) * 1956-10-19 1959-05-05 Warner W Clements Impulse type electromotive device
US2894181A (en) * 1957-03-08 1959-07-07 Internat Typographical Union O Electromechanical device and improved armature therefor
US2932704A (en) * 1958-03-18 1960-04-12 Cutler Hammer Inc Electromagnetic device
US2928917A (en) * 1958-05-21 1960-03-15 Harry M Crain Self de-energizing relay
DE1823772U (de) * 1959-07-31 1960-12-22 Magnetschultz Spezialfabrik Fu Elektrisch geschalteter gleichstrommagnet.

Also Published As

Publication number Publication date
DE1224051B (de) 1966-09-01
BE605899A (fr) 1961-11-03
US3128418A (en) 1964-04-07
NL266598A (https=)
NL126658C (https=)

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