FR819334A - Commutateur électrique à gaz - Google Patents

Commutateur électrique à gaz

Info

Publication number
FR819334A
FR819334A FR819334DA FR819334A FR 819334 A FR819334 A FR 819334A FR 819334D A FR819334D A FR 819334DA FR 819334 A FR819334 A FR 819334A
Authority
FR
France
Prior art keywords
electric switch
gas electric
gas
switch
electric
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
English (en)
Inventor
Strauss
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 filed Critical
Application granted granted Critical
Publication of FR819334A publication Critical patent/FR819334A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
    • 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
    • H01H33/76—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Circuit Breakers (AREA)
FR819334D 1936-03-19 1937-03-17 Commutateur électrique à gaz Expired FR819334A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE475246X 1936-03-19

Publications (1)

Publication Number Publication Date
FR819334A true FR819334A (fr) 1937-10-14

Family

ID=6541822

Family Applications (2)

Application Number Title Priority Date Filing Date
FR475246A Expired FR475246A (fr) 1913-08-22 1914-07-17 Appareil pour nettoyer les canalisations
FR819334D Expired FR819334A (fr) 1936-03-19 1937-03-17 Commutateur électrique à gaz

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR475246A Expired FR475246A (fr) 1913-08-22 1914-07-17 Appareil pour nettoyer les canalisations

Country Status (2)

Country Link
FR (2) FR475246A (fr)
GB (1) GB475246A (fr)

Also Published As

Publication number Publication date
FR475246A (fr) 1915-04-26
GB475246A (en) 1937-11-16

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