FR2439425B1 - - Google Patents

Info

Publication number
FR2439425B1
FR2439425B1 FR7830025A FR7830025A FR2439425B1 FR 2439425 B1 FR2439425 B1 FR 2439425B1 FR 7830025 A FR7830025 A FR 7830025A FR 7830025 A FR7830025 A FR 7830025A FR 2439425 B1 FR2439425 B1 FR 2439425B1
Authority
FR
France
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
FR7830025A
Other versions
FR2439425A1 (fr
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7830025A priority Critical patent/FR2439425A1/fr
Publication of FR2439425A1 publication Critical patent/FR2439425A1/fr
Application granted granted Critical
Publication of FR2439425B1 publication Critical patent/FR2439425B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • H01H47/08—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current by changing number of parallel-connected turns or windings
    • 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
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/002—Monitoring or fail-safe circuits
    • H01H2047/006—Detecting unwanted movement of contacts and applying pulses to coil for restoring to normal status

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
FR7830025A 1978-10-19 1978-10-19 Dispositif electromagnetique de commande Granted FR2439425A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7830025A FR2439425A1 (fr) 1978-10-19 1978-10-19 Dispositif electromagnetique de commande

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830025A FR2439425A1 (fr) 1978-10-19 1978-10-19 Dispositif electromagnetique de commande

Publications (2)

Publication Number Publication Date
FR2439425A1 FR2439425A1 (fr) 1980-05-16
FR2439425B1 true FR2439425B1 (fr) 1981-03-06

Family

ID=9214021

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830025A Granted FR2439425A1 (fr) 1978-10-19 1978-10-19 Dispositif electromagnetique de commande

Country Status (1)

Country Link
FR (1) FR2439425A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416061A1 (de) * 1984-04-30 1985-10-31 Klöckner-Humboldt-Deutz AG, 5000 Köln Verfahren und vorrichtung zur steuerung von drehklappenventilen bei nass-setzmaschinen zur aufbereitung von mineralien, insbesondere von kohle
US7061352B2 (en) * 2004-01-26 2006-06-13 Tzo-Ing Lin Noise-free low-power consumption wide voltage range DC and AC contactor and remote telephone control system using the same
FR2869156A1 (fr) * 2004-04-20 2005-10-21 Tzo Ing Lin Contacteur basse consommation sans bruit pour courants alternatifs et continus a large bande de voltage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR829295A (fr) * 1936-11-17 1938-06-17 Vaucanson Atel Perfectionnements aux circuits d'excitation d'appareils électro-magnétiques
US2233757A (en) * 1938-01-27 1941-03-04 Rca Corp Magnetic switch
DE714665C (de) * 1939-06-17 1941-12-04 Bosch Gmbh Robert Elektromagnetischer Schalter
US2282865A (en) * 1941-04-04 1942-05-12 Gen Electric Electric switch
DE946909C (de) * 1952-10-26 1956-08-09 Theodor Stiebel Dipl Ing Dr Schaltschuetz
FR1209706A (fr) * 1958-08-30 1960-03-03 Dispositif de commande électromagnétique
FR1360239A (fr) * 1963-03-23 1964-05-08 App Thermoflex Etablissements Relais silencieux susceptible d'être alimenté à partir d'une tension alternative

Also Published As

Publication number Publication date
FR2439425A1 (fr) 1980-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse