CH142363A - Maximum current switch. - Google Patents

Maximum current switch.

Info

Publication number
CH142363A
CH142363A CH142363DA CH142363A CH 142363 A CH142363 A CH 142363A CH 142363D A CH142363D A CH 142363DA CH 142363 A CH142363 A CH 142363A
Authority
CH
Switzerland
Prior art keywords
maximum current
current switch
main
resistor
overloads
Prior art date
Application number
Other languages
German (de)
Inventor
Naether Ernst
Original Assignee
Naether Ernst
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 Naether Ernst filed Critical Naether Ernst
Publication of CH142363A publication Critical patent/CH142363A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2409—Electromagnetic mechanisms combined with an electromagnetic current limiting mechanism

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)

Description

  

      Zusatzpatent    zum     Hauptpatent    Nr. 136162.         llTagimalstr        omschalter.       Gegenstand vorliegender Erfindung ist  eine weitere Ausbildung des im Patentan  spruch des Hauptpatentes gekennzeichneten       Maximalstromschalters.    Gemäss der zusätz  lichen Erfindung ist eine Hilfsvorrichtung vor  gesehen, die bei unzulässigen grossen Über  lastungen eine Funkenbildung beim Aus  schalten vermindert.  



  Die beiliegende Zeichnung veranschaulicht  eine Ausführungsform des Erfindungsgegen  standes. Der Strom     fliesst    von a über b, c  (im Drehpunkt d gelagert) über Spule     S    und  über     l    und<I>m</I> und teilweise über<I>n</I> und o<I>zu p.</I>  Bei kleinen     Überlastungen    zieht die Spule     rS     den Anker<I>A</I> hoch und die Klinke     7c    gibt  den Kontakt c frei. Bei grossen Überlastungen  und Kurzschlüssen geht nicht nur der Anker A  hoch, sondern es wird auch der Anker T von    der Spule angezogen.

   Dadurch hebt sich der  in q drehbar gelagerte Kontakt     m    von dem  Kontakt     l    ab, und der Strom kann bis zum  Unterbrechen der Kontakte     b    und c nur noch  über den Widerstand o fliessen. Dadurch  kann sich ein hoher Strom nicht bilden und  die Unterbrechung bei b und c erfolgt mit  sehr geringer     Funkenbildung.  



      Additional patent to the main patent no. 136162. II daytime flow switch. The present invention is a further embodiment of the maximum current switch characterized in the claim of the main patent. According to the additional invention, an auxiliary device is seen, which reduces sparks when switching off in the event of inadmissible large overloads.



  The accompanying drawing illustrates an embodiment of the subject matter of the invention. The current flows from a via b, c (mounted in pivot point d) via coil S and via l and <I> m </I> and partly via <I> n </I> and o <I> to p. < / I> In the event of small overloads, the coil rS pulls up the armature <I> A </I> and the pawl 7c releases contact c. In the event of large overloads and short circuits, not only does armature A go high, but armature T is also attracted to the coil.

   As a result, the contact m, which is rotatably mounted in q, is lifted from the contact l, and the current can only flow through the resistor o until the contacts b and c are interrupted. As a result, a high current cannot develop and the interruption at b and c takes place with very little spark formation.

Claims (1)

PATENTANSPRUCH: Maximalstromschalter gemäss Patentan spruch des Hauptpatentes, dadurch gekenn zeichnet, dass beim Auftreten von unzulässigen hohen Stromstärken, automatisch ein Wider stand eingeschaltet wird, welcher bei Normal belastung und kleinen Überlastungen nicht im Hauptstromkreis liegt. PATENT CLAIM: Maximum current switch according to the patent claim of the main patent, characterized in that when inadmissible high currents occur, a resistor is automatically switched on, which is not in the main circuit under normal loads and small overloads.
CH142363D 1928-11-07 1928-11-07 Maximum current switch. CH142363A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH142363T 1928-11-07
CH136162T 1928-11-07

Publications (1)

Publication Number Publication Date
CH142363A true CH142363A (en) 1930-09-15

Family

ID=25712652

Family Applications (1)

Application Number Title Priority Date Filing Date
CH142363D CH142363A (en) 1928-11-07 1928-11-07 Maximum current switch.

Country Status (1)

Country Link
CH (1) CH142363A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1117719B (en) * 1957-12-10 1961-11-23 Westinghouse Electric Corp Automatic switch for switching off overcurrents
DE1192731B (en) * 1962-03-27 1965-05-13 Licentia Gmbh Circuit breaker with several separating points in series

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1117719B (en) * 1957-12-10 1961-11-23 Westinghouse Electric Corp Automatic switch for switching off overcurrents
DE1192731B (en) * 1962-03-27 1965-05-13 Licentia Gmbh Circuit breaker with several separating points in series

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