ZA988425B - Electromagnetic actuator - Google Patents

Electromagnetic actuator

Info

Publication number
ZA988425B
ZA988425B ZA988425A ZA988425A ZA988425B ZA 988425 B ZA988425 B ZA 988425B ZA 988425 A ZA988425 A ZA 988425A ZA 988425 A ZA988425 A ZA 988425A ZA 988425 B ZA988425 B ZA 988425B
Authority
ZA
South Africa
Prior art keywords
electromagnetic actuator
actuator
electromagnetic
Prior art date
Application number
ZA988425A
Inventor
Arend Jan Willem Lammers
Original Assignee
Holec Holland Nv
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 Holec Holland Nv filed Critical Holec Holland Nv
Publication of ZA988425B publication Critical patent/ZA988425B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
    • 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
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/32—Latching movable parts mechanically
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
ZA988425A 1997-09-18 1998-09-15 Electromagnetic actuator ZA988425B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1007072A NL1007072C2 (en) 1997-09-18 1997-09-18 Electromagnetic actuator for moving contact into switched on or off state with contact actuating rod displaceable in longitudinal direction between two positions, on and off

Publications (1)

Publication Number Publication Date
ZA988425B true ZA988425B (en) 1999-03-24

Family

ID=19765702

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA988425A ZA988425B (en) 1997-09-18 1998-09-15 Electromagnetic actuator

Country Status (2)

Country Link
NL (1) NL1007072C2 (en)
ZA (1) ZA988425B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470030A (en) * 1983-05-18 1984-09-04 Ledex, Inc. Trip solenoid
EP0380693B1 (en) * 1988-08-08 1994-06-08 Mitsubishi Mining & Cement Co., Ltd. Plunger type electromagnet
US5034714A (en) * 1989-11-03 1991-07-23 Westinghouse Electric Corp. Universal relay
GB9012475D0 (en) * 1990-06-05 1990-07-25 P E D Limited Solenoids
GB9318876D0 (en) * 1993-09-11 1993-10-27 Mckean Brian A bistable permanent magnet actuator for operation of circuit breakers
GB2289374B (en) * 1994-05-09 1998-02-18 Whipp & Bourne Ltd Electromagnetic actuators

Also Published As

Publication number Publication date
NL1007072C2 (en) 1999-03-22

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