GB667724A - Improvements in or relating to air supply and control systems of air-blast circuit-breakers - Google Patents

Improvements in or relating to air supply and control systems of air-blast circuit-breakers

Info

Publication number
GB667724A
GB667724A GB7404/50A GB740450A GB667724A GB 667724 A GB667724 A GB 667724A GB 7404/50 A GB7404/50 A GB 7404/50A GB 740450 A GB740450 A GB 740450A GB 667724 A GB667724 A GB 667724A
Authority
GB
United Kingdom
Prior art keywords
valve
blast
piston
receiver
air
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
GB7404/50A
Other languages
English (en)
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
Publication of GB667724A publication Critical patent/GB667724A/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
    • H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB7404/50A 1949-04-06 1950-03-24 Improvements in or relating to air supply and control systems of air-blast circuit-breakers Expired GB667724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR877336X 1949-04-06

Publications (1)

Publication Number Publication Date
GB667724A true GB667724A (en) 1952-03-05

Family

ID=9360977

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7404/50A Expired GB667724A (en) 1949-04-06 1950-03-24 Improvements in or relating to air supply and control systems of air-blast circuit-breakers

Country Status (5)

Country Link
BE (1) BE494505A (forum.php)
DE (1) DE877336C (forum.php)
FR (1) FR987580A (forum.php)
GB (1) GB667724A (forum.php)
NL (2) NL151927B (forum.php)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164535B (de) * 1958-10-21 1964-03-05 Bbc Brown Boveri & Cie Hydraulische Steuerungseinrichtung mit grosser Ansprechgeschwindigkeit fuer elektrische Leistungsschalter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE707302C (de) * 1938-06-28 1941-06-18 Bbc Brown Boveri & Cie Druckluftschalter mit elektropneumatischer Steuerung
DE744834C (de) * 1941-04-17 1944-01-26 Aeg Druckmittelantrieb fuer elektrische Hochspannungsschalter

Also Published As

Publication number Publication date
FR987580A (fr) 1951-08-16
NL71987C (forum.php)
BE494505A (forum.php)
NL151927B (nl)
DE877336C (de) 1953-05-21

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