GB479947A - Improvements in differential piston circuit breakers - Google Patents

Improvements in differential piston circuit breakers

Info

Publication number
GB479947A
GB479947A GB23552/36A GB2355236A GB479947A GB 479947 A GB479947 A GB 479947A GB 23552/36 A GB23552/36 A GB 23552/36A GB 2355236 A GB2355236 A GB 2355236A GB 479947 A GB479947 A GB 479947A
Authority
GB
United Kingdom
Prior art keywords
wall
pressure generated
arc
piston
space
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
GB23552/36A
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Publication of GB479947A publication Critical patent/GB479947A/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
    • H01H33/94—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 solely due to the pressure caused by the arc itself or by an auxiliary arc
    • H01H33/96—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 solely due to the pressure caused by the arc itself or by an auxiliary arc the arc-extinguishing fluid being liquid, e.g. oil

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Circuit Breakers (AREA)
  • Gas-Insulated Switchgears (AREA)
GB23552/36A 1935-08-28 1936-08-27 Improvements in differential piston circuit breakers Expired GB479947A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE479947X 1935-08-28

Publications (1)

Publication Number Publication Date
GB479947A true GB479947A (en) 1938-02-15

Family

ID=20310444

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23552/36A Expired GB479947A (en) 1935-08-28 1936-08-27 Improvements in differential piston circuit breakers

Country Status (3)

Country Link
DE (1) DE671016C (de)
FR (1) FR810179A (de)
GB (1) GB479947A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781435A (en) * 1951-03-18 1957-02-12 Heilmann Philipp Arc-extinguishing mechanism for electric switches

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759015C (de) * 1939-10-07 1952-10-27 Sachsenwerk Licht Und Kraft A Loeschkammer-Fluessigkeitsschalter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781435A (en) * 1951-03-18 1957-02-12 Heilmann Philipp Arc-extinguishing mechanism for electric switches

Also Published As

Publication number Publication date
DE671016C (de) 1939-01-30
FR810179A (fr) 1937-03-17

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