US1965551A - Electric circuit breaker - Google Patents

Electric circuit breaker Download PDF

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Publication number
US1965551A
US1965551A US620436A US62043632A US1965551A US 1965551 A US1965551 A US 1965551A US 620436 A US620436 A US 620436A US 62043632 A US62043632 A US 62043632A US 1965551 A US1965551 A US 1965551A
Authority
US
United States
Prior art keywords
contacts
chamber
fluid
tubular
pistons
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
US620436A
Other languages
English (en)
Inventor
Kopeliowitsch Jakob
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.)
BBC Brown Boveri AG Germany
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Application granted granted Critical
Publication of US1965551A publication Critical patent/US1965551A/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
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
    • H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
    • H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic

Definitions

  • the circuit is thus interrupted at two points and the arc is drawn out in opposite directions.
  • the fluid flows through the movable contacts in opposite directions.
  • Multiple interruption of the circuit, rapid extension of the arcs produced upon interruption of the circuit and the opposite flow of cooling and deionizing fluid accelerates the interruption of the circuit by accelerating quenching of the arcs.
  • a single fluidtight chamber two rdifferential pistons arranged for movement within said chamber, two tubular contacts extending into said chamber and arranged for movement by said pistons, conductively connected fixed contacts arranged to bridge said movable contacts within said chamber, means connecting said movable contacts with an electric circuit, a fluid pressure reservoir normally connected with said chamber on bothsides of each of said pistons to hold said movable contacts in engagement with said xed contacts, and means for reducing the pressure on only one side of each of said pistons to cause said tubular contacts to disengage with said fixed contacts and thereby cause fluid under pressure to discharge through said tubular contacts.

Landscapes

  • Circuit Breakers (AREA)
US620436A 1931-07-06 1932-07-01 Electric circuit breaker Expired - Lifetime US1965551A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE388285X 1931-07-06

Publications (1)

Publication Number Publication Date
US1965551A true US1965551A (en) 1934-07-03

Family

ID=6371252

Family Applications (1)

Application Number Title Priority Date Filing Date
US620436A Expired - Lifetime US1965551A (en) 1931-07-06 1932-07-01 Electric circuit breaker

Country Status (5)

Country Link
US (1) US1965551A (en))
BE (1) BE389653A (en))
FR (1) FR739287A (en))
GB (1) GB388285A (en))
NL (1) NL34469C (en))

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444765A (en) * 1944-12-27 1948-07-06 Gen Electric Electric circuit breaker
US2449518A (en) * 1943-02-15 1948-09-14 Westinghouse Electric Corp Circuit interrupter
US2459612A (en) * 1944-12-22 1949-01-18 Westinghouse Electric Corp Compressed gas circuit interrupter
US2507210A (en) * 1944-11-28 1950-05-09 Westinghouse Electric Corp Gas blast circuit breaker
US2532529A (en) * 1947-02-03 1950-12-05 Reyrolle A & Co Ltd Fluid-blast electric circuit breaker
US2599100A (en) * 1942-05-29 1952-06-03 Asea Ab Compressed air circuit breaker with a plurality of series connected breaking gaps
US2666107A (en) * 1949-09-13 1954-01-12 Westinghouse Electric Corp Compressed gas circuit interrupter
US2686243A (en) * 1940-04-06 1954-08-10 Latour Andre Gas blast circuit breaker
DE928654C (de) * 1943-05-08 1955-06-06 Siemens Ag Elektrische Schalteinrichtung
US2813177A (en) * 1954-03-29 1957-11-12 Kelman Electric And Mfg Compan Circuit breaker
US3065322A (en) * 1960-12-20 1962-11-20 Gen Electric Gas blast circuit breaker

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2905793A (en) * 1957-06-21 1959-09-22 Ite Circuit Breaker Ltd Differential piston for recirculating gas blast interrupters

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686243A (en) * 1940-04-06 1954-08-10 Latour Andre Gas blast circuit breaker
US2599100A (en) * 1942-05-29 1952-06-03 Asea Ab Compressed air circuit breaker with a plurality of series connected breaking gaps
US2449518A (en) * 1943-02-15 1948-09-14 Westinghouse Electric Corp Circuit interrupter
DE928654C (de) * 1943-05-08 1955-06-06 Siemens Ag Elektrische Schalteinrichtung
US2507210A (en) * 1944-11-28 1950-05-09 Westinghouse Electric Corp Gas blast circuit breaker
US2459612A (en) * 1944-12-22 1949-01-18 Westinghouse Electric Corp Compressed gas circuit interrupter
US2444765A (en) * 1944-12-27 1948-07-06 Gen Electric Electric circuit breaker
US2532529A (en) * 1947-02-03 1950-12-05 Reyrolle A & Co Ltd Fluid-blast electric circuit breaker
US2666107A (en) * 1949-09-13 1954-01-12 Westinghouse Electric Corp Compressed gas circuit interrupter
US2813177A (en) * 1954-03-29 1957-11-12 Kelman Electric And Mfg Compan Circuit breaker
US3065322A (en) * 1960-12-20 1962-11-20 Gen Electric Gas blast circuit breaker

Also Published As

Publication number Publication date
NL34469C (en))
BE389653A (en))
FR739287A (fr) 1933-01-09
GB388285A (en) 1933-02-23

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