FR849245A - Improved arrangements for electric switches with blowing by jets of insulating liquid - Google Patents

Improved arrangements for electric switches with blowing by jets of insulating liquid

Info

Publication number
FR849245A
FR849245A FR849245DA FR849245A FR 849245 A FR849245 A FR 849245A FR 849245D A FR849245D A FR 849245DA FR 849245 A FR849245 A FR 849245A
Authority
FR
France
Prior art keywords
jets
blowing
insulating liquid
electric switches
improved arrangements
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 FR849245A publication Critical patent/FR849245A/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
    • H01H33/92—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 the arc-extinguishing fluid being liquid, e.g. oil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Circuit Breakers (AREA)
FR849245D 1938-07-25 1939-01-25 Improved arrangements for electric switches with blowing by jets of insulating liquid Expired FR849245A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR849245T 1938-07-25

Publications (1)

Publication Number Publication Date
FR849245A true FR849245A (en) 1939-11-16

Family

ID=9684573

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849245D Expired FR849245A (en) 1938-07-25 1939-01-25 Improved arrangements for electric switches with blowing by jets of insulating liquid

Country Status (2)

Country Link
US (1) US2219171A (en)
FR (1) FR849245A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150135B (en) * 1959-05-29 1963-06-12 Siemens Ag Fluid switch

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462795A (en) * 1945-01-13 1949-02-22 Westinghouse Electric Corp Circuit interrupter
US2542798A (en) * 1946-09-12 1951-02-20 Westinghouse Electric Corp Electrical switchgear
US2692320A (en) * 1950-08-05 1954-10-19 Westinghouse Electric Corp Circuit interrupter
US2640897A (en) * 1951-01-03 1953-06-02 Gen Electric Liquid break circuit breaker
US2781435A (en) * 1951-03-18 1957-02-12 Heilmann Philipp Arc-extinguishing mechanism for electric switches
NL164669C (en) * 1951-08-28 Coulter Electronics METHOD OF PREPARING A REAGENT SUITABLE FOR DETERMINING LEUKOCYTE AND HEMOGLOBIN IN BLOOD.
US2798923A (en) * 1953-01-30 1957-07-09 Westinghouse Electric Corp Circuit interrupter
US2922010A (en) * 1956-12-20 1960-01-19 Westinghouse Electric Corp Circuit interrupters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150135B (en) * 1959-05-29 1963-06-12 Siemens Ag Fluid switch

Also Published As

Publication number Publication date
US2219171A (en) 1940-10-22

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