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GB473589A - Improvements in or relating to electric contact making relays - Google Patents

Improvements in or relating to electric contact making relays

Info

Publication number
GB473589A
GB473589A GB1235037A GB1235037A GB473589A GB 473589 A GB473589 A GB 473589A GB 1235037 A GB1235037 A GB 1235037A GB 1235037 A GB1235037 A GB 1235037A GB 473589 A GB473589 A GB 473589A
Authority
GB
United Kingdom
Prior art keywords
parts
armature
polepieces
permanent magnet
magnetic
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
GB1235037A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1235037A priority Critical patent/GB473589A/en
Publication of GB473589A publication Critical patent/GB473589A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/008—Change of magnetic field wherein the magnet and switch are fixed, e.g. by shielding or relative movements of armature

Landscapes

  • Magnetic Treatment Devices (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Electromagnets (AREA)

Abstract

473,589. Magnetic switches. GREENLY, H. April 30, 1937, No. 12350. [Class 38 (v)] In an inductor relay the armature is composed of two parts which are pivoted so as to balance each other and which are connected by a coupling which permits the two parts to move in opposite directions. As shown in the Figure, the two armature parts are mounted on separate pivots 8 and connected together at their inner ends by a knuckle joint 9. The free ends 7 of the parts are normally held attracted against the shaped ends of polepieces 6 inductively magnetized by a permanent magnet 5. On the passage of a plate of magnetic material through the gap 4 between the magnet and the polepieces 6, the magnetic flux is diverted through this plate and the ends of the armature parts are drawn from the polepieces 6 by means of a spring 10 connected between lateral arms 11 attached to the armature parts. The movement of these parts brings a contact 13 against a fixed contact. Variation of the retractive force exerted by the spring 10 may be produced by placing its ends in different notches in the outer sides of the arms 8 and limitation of the movements of the armature by adjustable stops 12. In a modified form the operation of the relay is produced by diversion of the permanent magnet flux through a magnetic plate which passes the permanent magnet on its side remote from the armature. Specifications 440,907 ; and 459,133, [Group XXX], are referred to.
GB1235037A 1937-04-30 1937-04-30 Improvements in or relating to electric contact making relays Expired GB473589A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1235037A GB473589A (en) 1937-04-30 1937-04-30 Improvements in or relating to electric contact making relays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1235037A GB473589A (en) 1937-04-30 1937-04-30 Improvements in or relating to electric contact making relays

Publications (1)

Publication Number Publication Date
GB473589A true GB473589A (en) 1937-10-15

Family

ID=10002893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1235037A Expired GB473589A (en) 1937-04-30 1937-04-30 Improvements in or relating to electric contact making relays

Country Status (1)

Country Link
GB (1) GB473589A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017253B (en) * 1955-09-30 1957-10-10 Siemens Ag Temperature-dependent electrical switching device with a magnetic circuit, especially for telecommunications systems
DE1061660B (en) * 1957-05-31 1959-07-16 Siemens Ag Electrical fuse arrangement
DE1100512B (en) * 1958-11-14 1961-02-23 Deutsche Bundespost Electric alarm and security system
DE1108593B (en) * 1959-02-09 1961-06-08 Werner Voss Device for arming an electrical anti-theft and anti-theft device, especially for motor vehicles
DE1114886B (en) * 1957-09-06 1961-10-12 Reinhold Bauder Dipl Ing Proximity switch controlled by permanent magnets
DE1130032B (en) * 1957-12-17 1962-05-24 Werk Signal Sicherungstech Veb Magnetic switching device with a polarized relay that can be influenced by changing the magnetic circuit
DE1232879B (en) * 1964-07-11 1967-01-19 Beteiligungs & Patentverw Gmbh Automatic, path-dependent control for a transport device that can be moved on rails
DE1276169B (en) * 1958-04-30 1968-08-29 Elek Scher App Fab Magnetic switch
GB2399682A (en) * 2003-02-21 2004-09-22 Jung-Tsung Wei Switch

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017253B (en) * 1955-09-30 1957-10-10 Siemens Ag Temperature-dependent electrical switching device with a magnetic circuit, especially for telecommunications systems
DE1061660B (en) * 1957-05-31 1959-07-16 Siemens Ag Electrical fuse arrangement
DE1114886B (en) * 1957-09-06 1961-10-12 Reinhold Bauder Dipl Ing Proximity switch controlled by permanent magnets
DE1130032B (en) * 1957-12-17 1962-05-24 Werk Signal Sicherungstech Veb Magnetic switching device with a polarized relay that can be influenced by changing the magnetic circuit
DE1276169B (en) * 1958-04-30 1968-08-29 Elek Scher App Fab Magnetic switch
DE1100512B (en) * 1958-11-14 1961-02-23 Deutsche Bundespost Electric alarm and security system
DE1108593B (en) * 1959-02-09 1961-06-08 Werner Voss Device for arming an electrical anti-theft and anti-theft device, especially for motor vehicles
DE1232879B (en) * 1964-07-11 1967-01-19 Beteiligungs & Patentverw Gmbh Automatic, path-dependent control for a transport device that can be moved on rails
GB2399682A (en) * 2003-02-21 2004-09-22 Jung-Tsung Wei Switch
GB2399682B (en) * 2003-02-21 2005-02-02 Jung-Tsung Wei Electrical switches

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