NL224360A - - Google Patents

Info

Publication number
NL224360A
NL224360A NL224360DA NL224360A NL 224360 A NL224360 A NL 224360A NL 224360D A NL224360D A NL 224360DA NL 224360 A NL224360 A NL 224360A
Authority
NL
Netherlands
Application number
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.)
Publication of NL224360A publication Critical patent/NL224360A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/42—Impedances connected with contacts
    • 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
    • H01H1/00—Contacts
    • H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
    • H01H1/065—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved formed by freely suspended particles, e.g. magnetic dust or balls
    • 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
    • H01H36/0073—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by relative movement between two magnets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Electromagnets (AREA)
NL224360D 1957-03-11 NL224360A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US645259A US3005070A (en) 1957-03-11 1957-03-11 Magnetic switching device

Publications (1)

Publication Number Publication Date
NL224360A true NL224360A (fr)

Family

ID=9738035

Family Applications (2)

Application Number Title Priority Date Filing Date
NL224360D NL224360A (fr) 1957-03-11
NL108281D NL108281C (fr) 1957-03-11

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL108281D NL108281C (fr) 1957-03-11

Country Status (4)

Country Link
US (1) US3005070A (fr)
DE (1) DE1137494B (fr)
GB (1) GB863819A (fr)
NL (2) NL108281C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004014162A1 (de) * 2004-03-17 2005-10-13 Siemens Ag Antriebseinrichtung mit einer Antriebswelle und einer Abtriebswelle insbesondere zum Antrieb eines Kontaktstückes eines elektrischen Schaltgerätes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE119186C (fr) *

Also Published As

Publication number Publication date
US3005070A (en) 1961-10-17
NL108281C (fr)
DE1137494B (de) 1962-10-04
GB863819A (en) 1961-03-29

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