US2855545A - Circuit breaker devices - Google Patents

Circuit breaker devices Download PDF

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Publication number
US2855545A
US2855545A US352673A US35267353A US2855545A US 2855545 A US2855545 A US 2855545A US 352673 A US352673 A US 352673A US 35267353 A US35267353 A US 35267353A US 2855545 A US2855545 A US 2855545A
Authority
US
United States
Prior art keywords
circuit
current
liquid
circuit breaker
value
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 - Lifetime
Application number
US352673A
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English (en)
Inventor
Norbert R Beyrard
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
Application granted granted Critical
Publication of US2855545A publication Critical patent/US2855545A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H87/00—Protective devices in which a current flowing through a liquid or solid is interrupted by the evaporation of the liquid or by the melting and evaporation of the solid when the current becomes excessive, the circuit continuity being reestablished on cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/02—Liquid resistors
    • 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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/161—Variable impedances
    • H01H33/162—Liquid resistors
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts
    • 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
    • H01H77/04—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 electrothermal opening
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/025—Disconnection after limiting, e.g. when limiting is not sufficient or for facilitating disconnection

Definitions

  • TT16 present invention has for its object the application of such an apparatus to the production of an excess current circuit-breaker device.
  • the circuit)reake device in accordance with the invention includes, itl Series vvith the Supply circuit of an insta;llation, at least one apparatu3 c0mprising two oppositely arranged electr0des forn1ing between them a chanber 'of ⁇ SIT1a11 volun1e, vhich chanlber C0Inmunicate8 Vvith a vessel containing a conducting liquid, )y means of Passage8 0eTing a certain l eSStanCe to the 0 Of the liquid and, in shunt t0 the Said Supply circuit, between the Said apparatus and the installation, the Winding of a Tninimum curfent circuit-breaker designed t0 -0pen the Said Supply circuit vvhen for any particular reason, the current taken by the' installation increases to an abnorn1a1 extent, there is produced in tlle apparatus, at least a partial vaporisation of the conduction liqlli(l, such
  • the liquid used in the apparatus Inay vvith advantage consist of an electrolyte ...and the apparatus is prefera,bly constructed in Such a nlanner that the internal v01tage drop betvveen the electrodes is less than the p0larising v01tage S0 as t0 av0id any electrolytic phenomena in the apparatus very large number of electrolytes are suitable for this use, and il1 particular use may be made of solutions of potash 0I' potassiu111 carbonate
  • the circuit-breaking device in accordance vvith the in venti011 may be applied to all silgle or I)0lyphase alternating cuTrent distribution Systen8 'and, as vvill be seen later, it n1ay be provided to protect one or Inore phases of such a distributi011 System.
  • the blade contact of the n1inin1um current ⁇ circuitbreaker Inay be arranged in such a nlanner that they eI Sure the disconnection of all the cables of the distribution Systen1, in order to prevent a part 0f the installation or of the apparatus being left under voltage aftel the circuit is broken.
  • the Cirouit-breaker device i1 accordance with the in venti011 is )articulafly suitable fol' i11stallati011s which include m0tors, the starting of Which iS effected by the internlediary of a li llid fhe0stat eSiStance II1 this case the chamber formed between the electrodes of the circuit-breaker device in accordance vvith the invention,

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Cold Cathode And The Manufacture (AREA)
US352673A 1952-05-07 1953-05-04 Circuit breaker devices Expired - Lifetime US2855545A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1060453X 1952-05-07

Publications (1)

Publication Number Publication Date
US2855545A true US2855545A (en) 1958-10-07

Family

ID=9599616

Family Applications (1)

Application Number Title Priority Date Filing Date
US352673A Expired - Lifetime US2855545A (en) 1952-05-07 1953-05-04 Circuit breaker devices

Country Status (7)

Country Link
US (1) US2855545A (is")
BE (1) BE519760A (is")
CH (1) CH311388A (is")
DE (1) DE1060453B (is")
FR (1) FR1055545A (is")
GB (1) GB730346A (is")
NL (1) NL178125C (is")

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219848A (en) * 1961-02-07 1965-11-23 Joslyn Mfg & Supply Co Actuator device
US3227925A (en) * 1962-06-27 1966-01-04 S & C Electric Co Control for switch means
US3454831A (en) * 1967-02-20 1969-07-08 Gen Electric Quick-opening,low cost,current limiting circuit breaker
US3505565A (en) * 1967-06-01 1970-04-07 Monitor Mfg Inc Bin level indicators
US3906427A (en) * 1973-08-09 1975-09-16 Hazemeijer Bv Current limiting device
US4112409A (en) * 1975-12-03 1978-09-05 Compagnie Generale D'electricite S.A. Electrolytic resistor
US4510483A (en) * 1982-08-23 1985-04-09 Electricite De France Service National Liquid rheostat for starting an electric motor with improved sill structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207282240U (zh) * 2016-07-15 2018-04-27 绵阳市宏扬科技有限公司 一种工业用自循环流动并冷却的水电阻

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1327790A (en) * 1916-01-05 1920-01-13 Westinghouse Electric & Mfg Co Ignition system
US1571304A (en) * 1923-02-28 1926-02-02 Westinghouse Electric & Mfg Co Electrical system
US1694223A (en) * 1923-06-19 1928-12-04 Balt Mfg Co Electric switch
US1764374A (en) * 1927-08-06 1930-06-17 Westinghouse Electric & Mfg Co Thermal relay
US2607831A (en) * 1950-10-12 1952-08-19 Gen Electric Overload protective system for dynamoelectric machines
US2649526A (en) * 1951-08-07 1953-08-18 Norbert R Benchemoul Liquid resistance electrical apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1717260A (en) * 1921-09-14 1929-06-11 Gen Electric Circuit interrupter
DE540153C (de) * 1930-03-28 1931-12-08 Siemens Ag Einrichtung zum Unterbrechen von elektrischen Stromkreisen
CH236475A (de) * 1937-12-31 1945-02-15 Hermes Patentverwertungs Gmbh Verfahren und Einrichtung zum Regeln und/oder Unterbrechen von elektrischen Strömen.
DE894873C (de) * 1950-10-18 1953-10-29 Matthias Dipl-Ing Engelsberger Elektrischer Leistungsschalter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1327790A (en) * 1916-01-05 1920-01-13 Westinghouse Electric & Mfg Co Ignition system
US1571304A (en) * 1923-02-28 1926-02-02 Westinghouse Electric & Mfg Co Electrical system
US1694223A (en) * 1923-06-19 1928-12-04 Balt Mfg Co Electric switch
US1764374A (en) * 1927-08-06 1930-06-17 Westinghouse Electric & Mfg Co Thermal relay
US2607831A (en) * 1950-10-12 1952-08-19 Gen Electric Overload protective system for dynamoelectric machines
US2649526A (en) * 1951-08-07 1953-08-18 Norbert R Benchemoul Liquid resistance electrical apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3219848A (en) * 1961-02-07 1965-11-23 Joslyn Mfg & Supply Co Actuator device
US3227925A (en) * 1962-06-27 1966-01-04 S & C Electric Co Control for switch means
US3454831A (en) * 1967-02-20 1969-07-08 Gen Electric Quick-opening,low cost,current limiting circuit breaker
US3505565A (en) * 1967-06-01 1970-04-07 Monitor Mfg Inc Bin level indicators
US3906427A (en) * 1973-08-09 1975-09-16 Hazemeijer Bv Current limiting device
US4112409A (en) * 1975-12-03 1978-09-05 Compagnie Generale D'electricite S.A. Electrolytic resistor
US4510483A (en) * 1982-08-23 1985-04-09 Electricite De France Service National Liquid rheostat for starting an electric motor with improved sill structure

Also Published As

Publication number Publication date
CH311388A (fr) 1955-11-30
DE1060453B (de) 1959-07-02
GB730346A (en) 1955-05-18
FR1055545A (fr) 1954-02-19
NL178125C (nl)
BE519760A (is")

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