FR775978A - Alternating current electric arc extinguishing process - Google Patents

Alternating current electric arc extinguishing process

Info

Publication number
FR775978A
FR775978A FR775978DA FR775978A FR 775978 A FR775978 A FR 775978A FR 775978D A FR775978D A FR 775978DA FR 775978 A FR775978 A FR 775978A
Authority
FR
France
Prior art keywords
alternating current
electric arc
arc extinguishing
current electric
extinguishing process
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 FR775978A publication Critical patent/FR775978A/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
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
    • A42C1/00—Manufacturing hats
    • A42C1/08—Hat-finishing, e.g. polishing, ironing, smoothing, brushing, impregnating, stiffening, decorating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Outer Garments And Coats (AREA)
FR775978D 1936-12-11 1934-07-04 Alternating current electric arc extinguishing process Expired FR775978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2245337A GB479274A (en) 1936-12-11 1936-12-11 Improvements in hat blocking appliances

Publications (1)

Publication Number Publication Date
FR775978A true FR775978A (en) 1935-01-11

Family

ID=10179595

Family Applications (1)

Application Number Title Priority Date Filing Date
FR775978D Expired FR775978A (en) 1936-12-11 1934-07-04 Alternating current electric arc extinguishing process

Country Status (3)

Country Link
DE (1) DE607167C (en)
FR (1) FR775978A (en)
GB (1) GB479274A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE963711C (en) * 1937-07-18 1957-05-09 Siemens Ag Contact converter for heavy current
DE943135C (en) * 1950-07-15 1956-05-09 Licentia Gmbh Electrical switch with free air gap between two loeschheads and arc extinguishing by means of an extinguishing agent supplied under pressure

Also Published As

Publication number Publication date
GB479274A (en) 1938-02-02
DE607167C (en) 1934-12-18

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