BR7903762A - KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR BUILDING A NUCLEUS FOR THE SAME BUILDING A NUCLEUS FOR THE SAME - Google Patents

KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR BUILDING A NUCLEUS FOR THE SAME BUILDING A NUCLEUS FOR THE SAME

Info

Publication number
BR7903762A
BR7903762A BR7903762A BR7903762A BR7903762A BR 7903762 A BR7903762 A BR 7903762A BR 7903762 A BR7903762 A BR 7903762A BR 7903762 A BR7903762 A BR 7903762A BR 7903762 A BR7903762 A BR 7903762A
Authority
BR
Brazil
Prior art keywords
nucleus
protection against
building
same
key protection
Prior art date
Application number
BR7903762A
Other languages
Portuguese (pt)
Inventor
N Gath
Original Assignee
N Gath
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 N Gath filed Critical N Gath
Publication of BR7903762A publication Critical patent/BR7903762A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Breakers (AREA)
BR7903762A 1978-06-15 1979-06-13 KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR BUILDING A NUCLEUS FOR THE SAME BUILDING A NUCLEUS FOR THE SAME BR7903762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU79817A LU79817A1 (en) 1978-06-15 1978-06-15 Fault current protection switch

Publications (1)

Publication Number Publication Date
BR7903762A true BR7903762A (en) 1980-02-05

Family

ID=19728940

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7903762A BR7903762A (en) 1978-06-15 1979-06-13 KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR BUILDING A NUCLEUS FOR THE SAME BUILDING A NUCLEUS FOR THE SAME

Country Status (4)

Country Link
EP (1) EP0007405A1 (en)
JP (1) JPS54164263A (en)
BR (1) BR7903762A (en)
LU (1) LU79817A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1226237B (en) * 1988-07-08 1990-12-27 Bassani Spa RELAY TYPE ELECTROMAGNETIC ACTUATOR
EP0709865A1 (en) * 1994-10-26 1996-05-01 Lem S.A. Method and device for coupling magnetic material with electric windings

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1933192A1 (en) * 1969-06-30 1971-04-22 Siemens Ag Process for the production of magnetizable cores with at least two magnetic circuits
DE2059054A1 (en) * 1970-12-01 1972-06-08 Siemens Ag Residual current circuit breaker
DE2348881C3 (en) * 1973-09-28 1980-10-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Residual current circuit breaker
DE2555255C3 (en) * 1975-12-09 1979-09-27 Brown, Boveri & Cie Ag, 6800 Mannheim Device for recording fault currents
LU78012A1 (en) * 1977-08-22 1979-04-09 Gath N FAULT CIRCUIT BREAKER
LU78075A1 (en) * 1977-09-02 1979-04-09 Gath N FAULT CIRCUIT BREAKER

Also Published As

Publication number Publication date
JPS54164263A (en) 1979-12-27
LU79817A1 (en) 1980-01-22
EP0007405A1 (en) 1980-02-06

Similar Documents

Publication Publication Date Title
BR7905007A (en) WIDE ELECTRIC PROTECTION KEY
BR7701500A (en) PROCESS AND APPLIANCE FOR WINDING A VEU OR SCREEN ON A ROLLER ON A NUCLEUS
BR7907045A (en) ALKALINE CELL AND GAS RELEASE INHIBITION PROCESS
AT381403B (en) SECURITY ALARM SYSTEM
NO790241L (en) BURGLARY PROTECTION DEVICE FOR BUILDINGS
DK156499C (en) FAST BREAKING CURRENT PROTECTION
BR8008452A (en) KEY KEY
BR8105044A (en) LOCK AND KEY TO THE SAME
BR7903762A (en) KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR KEY PROTECTION AGAINST FALSE CURRENTS AND PROCESS FOR BUILDING A NUCLEUS FOR THE SAME BUILDING A NUCLEUS FOR THE SAME
DK518379A (en) INTRUSION PROTECTION DETECTOR
IT1058503B (en) CYLINDRICAL LOCK EQUIPPED WITH ANTI-DRILL PROTECTION
BE872705A (en) BURGLAR-PROOF SECURITY GLASS
ATA372479A (en) PROTECTION AGAINST MISUSE
BR8505610A (en) UNIVERSAL KEY
IT7948242A0 (en) IMPROVEMENT IN SECURITY LOCK DRUMS
BR7808680A (en) PROTECTIVE KEY AGAINST FALSE CURRENTS
BR6500366U (en) PROTECTION KEY
BR6101514U (en) ENGLISH KEY
BR8501630A (en) KEY
ATA437975A (en) PROTECTIVE SYSTEM AGAINST BURGLARY
BR5900753U (en) SECURITY KEY
IT1156776B (en) LOCK SAFETY DRUM
BR6100699U (en) KEY
PL207893A1 (en) CAP PROTECTED AGAINST UNLOCKING
BR7904047A (en) UNIVERSAL KEY