FR987921A - Check valve for fluid pressure devices more particularly applicable to compressed gas circuit breakers - Google Patents

Check valve for fluid pressure devices more particularly applicable to compressed gas circuit breakers

Info

Publication number
FR987921A
FR987921A FR987921DA FR987921A FR 987921 A FR987921 A FR 987921A FR 987921D A FR987921D A FR 987921DA FR 987921 A FR987921 A FR 987921A
Authority
FR
France
Prior art keywords
check valve
fluid pressure
compressed gas
gas circuit
circuit breakers
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)
Inventor
Andre Latour
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin 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 Merlin Gerin SA filed Critical Merlin Gerin SA
Application granted granted Critical
Publication of FR987921A publication Critical patent/FR987921A/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
    • H01H33/28—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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/12—Process control or regulation
    • C25D21/14—Controlled addition of electrolyte components

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Automation & Control Theory (AREA)
FR987921D 1943-04-03 1943-04-03 Check valve for fluid pressure devices more particularly applicable to compressed gas circuit breakers Expired FR987921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987921T 1943-04-03

Publications (1)

Publication Number Publication Date
FR987921A true FR987921A (en) 1951-08-21

Family

ID=9539194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987921D Expired FR987921A (en) 1943-04-03 1943-04-03 Check valve for fluid pressure devices more particularly applicable to compressed gas circuit breakers

Country Status (1)

Country Link
FR (1) FR987921A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661167A (en) * 1970-05-25 1972-05-09 A & D Fabricating Co Chemical feed pump with improved valve means
DE2941244A1 (en) * 1979-10-11 1981-04-30 Lechler Gmbh & Co Kg, 7012 Fellbach CHECK VALVE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661167A (en) * 1970-05-25 1972-05-09 A & D Fabricating Co Chemical feed pump with improved valve means
DE2941244A1 (en) * 1979-10-11 1981-04-30 Lechler Gmbh & Co Kg, 7012 Fellbach CHECK VALVE

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