FR579885A - Improvements to alternating current electromagnets - Google Patents

Improvements to alternating current electromagnets

Info

Publication number
FR579885A
FR579885A FR579885DA FR579885A FR 579885 A FR579885 A FR 579885A FR 579885D A FR579885D A FR 579885DA FR 579885 A FR579885 A FR 579885A
Authority
FR
France
Prior art keywords
alternating current
current electromagnets
electromagnets
alternating
current
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
Other languages
French (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.)
A Reyrolle and Co Ltd
Original Assignee
A Reyrolle and Co 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 A Reyrolle and Co Ltd filed Critical A Reyrolle and Co Ltd
Application granted granted Critical
Publication of FR579885A publication Critical patent/FR579885A/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
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081—Magnetic constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
FR579885D 1923-05-17 1924-04-07 Improvements to alternating current electromagnets Expired FR579885A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB579885X 1923-05-17

Publications (1)

Publication Number Publication Date
FR579885A true FR579885A (en) 1924-10-25

Family

ID=10480528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR579885D Expired FR579885A (en) 1923-05-17 1924-04-07 Improvements to alternating current electromagnets

Country Status (1)

Country Link
FR (1) FR579885A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045546B (en) * 1954-09-14 1958-12-04 Licentia Gmbh Process for the production of a riveted laminated core for a hum-free AC magnet
FR2456883A1 (en) * 1979-05-17 1980-12-12 Leroy Somer Moteurs ELECTRIC BRAKE MOTOR
EP0039485A1 (en) * 1980-05-07 1981-11-11 Licentia Patent-Verwaltungs-GmbH Line transformer for a television receiver
FR2591795A1 (en) * 1985-12-16 1987-06-19 Europhane METHOD OF MAKING MAGNETIC CIRCUITS WITH ADJUSTABLE GAP AND MAGNETIC CIRCUITS THUS OBTAINED
CH672358A5 (en) * 1986-10-21 1989-11-15 Jossi Hans Praezisionsmechanik
FR2836755A1 (en) * 2002-03-01 2003-09-05 Johnson Contr Automotive Elect ELECTROMAGNETIC ACTUATOR WITH CONTROLLED ATTRACTION FORCE

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1045546B (en) * 1954-09-14 1958-12-04 Licentia Gmbh Process for the production of a riveted laminated core for a hum-free AC magnet
FR2456883A1 (en) * 1979-05-17 1980-12-12 Leroy Somer Moteurs ELECTRIC BRAKE MOTOR
EP0039485A1 (en) * 1980-05-07 1981-11-11 Licentia Patent-Verwaltungs-GmbH Line transformer for a television receiver
FR2591795A1 (en) * 1985-12-16 1987-06-19 Europhane METHOD OF MAKING MAGNETIC CIRCUITS WITH ADJUSTABLE GAP AND MAGNETIC CIRCUITS THUS OBTAINED
CH672358A5 (en) * 1986-10-21 1989-11-15 Jossi Hans Praezisionsmechanik
FR2836755A1 (en) * 2002-03-01 2003-09-05 Johnson Contr Automotive Elect ELECTROMAGNETIC ACTUATOR WITH CONTROLLED ATTRACTION FORCE
WO2003075293A1 (en) * 2002-03-01 2003-09-12 Johnson Controls Technology Company Electromagnetic actuator with controlled attraction force
US7042321B2 (en) 2002-03-01 2006-05-09 Valeo Systems De Controle Moteur Electromagnetic actuator with controlled attraction force

Similar Documents

Publication Publication Date Title
FR579885A (en) Improvements to alternating current electromagnets
FR574716A (en) Hairpin enhancements
FR710898A (en) Grooved pad
FR557997A (en) Further development of single-phase alternating current electromagnets
FR578556A (en) Metal coil with removable cheek
FR591595A (en) Improvements to current transformer systems
FR564925A (en) Improvement in mechanical current rectifier devices
FR563023A (en) AC rectifier
FR615956A (en) AC rectifier
FR563315A (en) Rectifier
FR577253A (en) Suspension insulator
FR570801A (en) Current inverter rectifier
FR581179A (en) Improvements to electromagnets
FR626742A (en) Improvements made to the windings of alternating current machines
FR581775A (en) Musette with progressive action
FR574871A (en) Improvements to electric hoists
FR572044A (en) Air thermo-microphone
FR583978A (en) Current limiter
FR576015A (en) Gas-filled electric lamps
FR565602A (en) Intervalometric parallel rule
FR570368A (en) Improvements to three-brush dynamos
FR561253A (en) Current collector rectifier
FR39904E (en) Improvements to current rectifiers
FR39903E (en) Improvements to current rectifiers
FR661705A (en) Improvements to current rectifiers