GB632794A - Improvements in or relating to electric circuit breakers - Google Patents

Improvements in or relating to electric circuit breakers

Info

Publication number
GB632794A
GB632794A GB21970/46A GB2197046A GB632794A GB 632794 A GB632794 A GB 632794A GB 21970/46 A GB21970/46 A GB 21970/46A GB 2197046 A GB2197046 A GB 2197046A GB 632794 A GB632794 A GB 632794A
Authority
GB
United Kingdom
Prior art keywords
coil
switch
spring
energized
contacts
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
GB21970/46A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from US687625A external-priority patent/US2619563A/en
Publication of GB632794A publication Critical patent/GB632794A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • 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
    • H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/06—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electromagnetic opening
    • 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the AC cycle

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
GB21970/46A 1945-08-07 1946-07-23 Improvements in or relating to electric circuit breakers Expired GB632794A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH632794X 1945-08-07
US687625A US2619563A (en) 1945-08-07 1946-08-01 Electromagnetic control device
US259993A US2639357A (en) 1945-08-07 1951-12-05 Current limiting apparatus

Publications (1)

Publication Number Publication Date
GB632794A true GB632794A (en) 1949-12-05

Family

ID=32302821

Family Applications (2)

Application Number Title Priority Date Filing Date
GB21970/46A Expired GB632794A (en) 1945-08-07 1946-07-23 Improvements in or relating to electric circuit breakers
GB7679/49A Expired GB632843A (en) 1945-08-07 1946-07-23 Improvements relating to current limiters for direct and alternating current mains

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB7679/49A Expired GB632843A (en) 1945-08-07 1946-07-23 Improvements relating to current limiters for direct and alternating current mains

Country Status (7)

Country Link
US (1) US2639357A (enrdf_load_stackoverflow)
BE (1) BE467116A (enrdf_load_stackoverflow)
CH (2) CH282851A (enrdf_load_stackoverflow)
DE (1) DE862470C (enrdf_load_stackoverflow)
FR (1) FR931542A (enrdf_load_stackoverflow)
GB (2) GB632794A (enrdf_load_stackoverflow)
NL (1) NL186333B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767279A (en) * 1952-01-25 1956-10-16 North Electric Co Electromagnetic relay
US2856483A (en) * 1955-10-07 1958-10-14 Clare & Co C P Polarized relay

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1056249B (de) * 1952-10-18 1959-04-30 Calor Emag Elektrizitaets Ag Einrichtung zur Schnellunterbrechung von Kurzschlussstroemen
DE1052531B (de) * 1955-01-26 1959-03-12 Calor Emag Elektrizitaets Ag Schalteinrichtung mit einer axialsymmetrisch an einer Drehstabfeder sitzenden Kontaktbruecke
DE1033799B (de) * 1955-04-19 1958-07-10 Licentia Gmbh Einrichtung zum Schutz von Senderoehren
DE1116787B (de) * 1956-02-08 1961-11-09 Siemens Ag Strombegrenzer in Form eines Gleitwiderstandes
DE1138147B (de) * 1956-05-11 1962-10-18 Siemens Ag Schutzeinrichtung mit Strombegrenzer
US3191016A (en) * 1959-01-13 1965-06-22 Scott Paper Co Analog computer
DE1192731B (de) * 1962-03-27 1965-05-13 Licentia Gmbh Selbstschalter mit mehreren in Reihe liegenden Trennstellen
US3452172A (en) * 1965-07-12 1969-06-24 Siemens Ag Current limiting circuit breaker
US3617765A (en) * 1968-04-16 1971-11-02 Allis Chalmers Mfg Co Variable closing resistor
US3538278A (en) * 1968-06-13 1970-11-03 Gen Electric High voltage electric circuit breaker
US3538277A (en) * 1968-06-13 1970-11-03 Gen Electric High voltage circuit breaker with resistance means
US4568907A (en) * 1982-08-27 1986-02-04 General Electric Company Low inductance resistor for high current limitation
DE10261994A1 (de) * 2002-01-30 2004-02-05 Abb Patent Gmbh Selektivschutzschalter und Verfahren zur selektiven Kurzschlussstromabschaltung
DE202016007195U1 (de) 2016-11-16 2017-11-17 Bernhard Kohler Strombegrenzende Schalteinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767279A (en) * 1952-01-25 1956-10-16 North Electric Co Electromagnetic relay
US2856483A (en) * 1955-10-07 1958-10-14 Clare & Co C P Polarized relay

Also Published As

Publication number Publication date
CH282851A (de) 1952-05-15
GB632843A (en) 1949-12-05
BE467116A (enrdf_load_stackoverflow)
DE862470C (de) 1953-01-12
US2639357A (en) 1953-05-19
NL186333B (nl)
CH262898A (de) 1949-07-31
FR931542A (fr) 1948-02-25

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