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FR814518A - Improvements made to electrical switches - Google Patents

Improvements made to electrical switches

Info

Publication number
FR814518A
FR814518A FR814518DA FR814518A FR 814518 A FR814518 A FR 814518A FR 814518D A FR814518D A FR 814518DA FR 814518 A FR814518 A FR 814518A
Authority
FR
France
Prior art keywords
improvements made
electrical switches
switches
electrical
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
Other languages
French (fr)
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.)
Societe Generale de Constructions Electriques et Mecaniques
Cegelec SA
Original Assignee
Societe Generale de Constructions Electriques et Mecaniques
Cegelec SA
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 Societe Generale de Constructions Electriques et Mecaniques , Cegelec SA filed Critical Societe Generale de Constructions Electriques et Mecaniques
Application granted granted Critical
Publication of FR814518A publication Critical patent/FR814518A/en
Expired legal-status Critical Current

Links

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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H2001/508—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position with mechanical means to prevent return/reverse movement of movable contact once opening or closing cycle has started
FR814518D 1936-02-27 1936-02-27 Improvements made to electrical switches Expired FR814518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR814518T 1936-02-27

Publications (1)

Publication Number Publication Date
FR814518A true FR814518A (en) 1937-06-24

Family

ID=9266753

Family Applications (1)

Application Number Title Priority Date Filing Date
FR814518D Expired FR814518A (en) 1936-02-27 1936-02-27 Improvements made to electrical switches

Country Status (2)

Country Link
US (2) US2158846A (en)
FR (1) FR814518A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037550B (en) * 1957-07-26 1958-08-28 Asea Ab Fire chamber for electrical oil switches
FR2593636A1 (en) * 1986-01-29 1987-07-31 Cegelec SULFUR HEXAFLUORIDE CIRCUIT BREAKER OPERATING IN A VERY LOW TEMPERATURE ENVIRONMENT
EP0334181A1 (en) * 1988-03-23 1989-09-27 Gec Alsthom Sa High-tension switch with a reduced driving energy
EP0572346A2 (en) * 1992-02-03 1993-12-01 Ormazabal Ocerin, Javier High-voltage circuit breaker

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424343A (en) * 1943-05-27 1947-07-22 Westinghouse Electric Corp Circuit interrupter
US2442010A (en) * 1943-12-24 1948-05-25 Westinghouse Electric Corp Circuit interrupter
US2556056A (en) * 1944-02-04 1951-06-05 Oerlikon Maschf Circuit breaker
US2528197A (en) * 1944-06-29 1950-10-31 Westinghouse Electric Corp Circuit interrupter
US2456926A (en) * 1944-08-10 1948-12-21 Westinghouse Electric Corp Circuit interrupter
US2445442A (en) * 1944-08-31 1948-07-20 Westinghouse Electric Corp Circuit interrupter
US2459599A (en) * 1944-09-20 1949-01-18 Westinghouse Electric Corp Circuit interrupter
US2462708A (en) * 1945-01-19 1949-02-22 Westinghouse Electric Corp Circuit interrupter
US2534920A (en) * 1945-04-30 1950-12-19 Westinghouse Electric Corp Circuit interrupter
US2439264A (en) * 1945-06-07 1948-04-06 Gen Electric Electric switch
US2495192A (en) * 1945-11-08 1950-01-17 Westinghouse Electric Corp Snap action circuit closer
US2462733A (en) * 1946-10-30 1949-02-22 Westinghouse Electric Corp Circuit interrupter
US2580291A (en) * 1947-02-21 1951-12-25 Westinghouse Electric Corp Circuit interrupter
NL164669C (en) * 1951-08-28 Coulter Electronics METHOD OF PREPARING A REAGENT SUITABLE FOR DETERMINING LEUKOCYTE AND HEMOGLOBIN IN BLOOD.
US2733317A (en) * 1953-04-20 1956-01-31 Pl tayi or
US2911506A (en) * 1953-09-23 1959-11-03 Westinghouse Electric Corp Circuit interrupting device
DE1203857B (en) * 1960-05-23 1965-10-28 E H Erwin Marx Dr Ing Dr Ing High-voltage liquid switch with several switching sections connected in series
US3140374A (en) * 1962-09-20 1964-07-07 Fred H Cole Circuit breaker interrupter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037550B (en) * 1957-07-26 1958-08-28 Asea Ab Fire chamber for electrical oil switches
FR2593636A1 (en) * 1986-01-29 1987-07-31 Cegelec SULFUR HEXAFLUORIDE CIRCUIT BREAKER OPERATING IN A VERY LOW TEMPERATURE ENVIRONMENT
EP0334181A1 (en) * 1988-03-23 1989-09-27 Gec Alsthom Sa High-tension switch with a reduced driving energy
EP0572346A2 (en) * 1992-02-03 1993-12-01 Ormazabal Ocerin, Javier High-voltage circuit breaker
EP0572346A3 (en) * 1992-02-03 1994-07-27 Ormazabal Ocerin Javier High-voltage circuit breaker

Also Published As

Publication number Publication date
US2158846A (en) 1939-05-16
USRE21848E (en) 1941-07-01

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