GB552893A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type - Google Patents

Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type

Info

Publication number
GB552893A
GB552893A GB12448/41A GB1244841A GB552893A GB 552893 A GB552893 A GB 552893A GB 12448/41 A GB12448/41 A GB 12448/41A GB 1244841 A GB1244841 A GB 1244841A GB 552893 A GB552893 A GB 552893A
Authority
GB
United Kingdom
Prior art keywords
contact
rod
gas
blast
nozzle
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
GB12448/41A
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.)
A Reyrolle and Co Ltd
Original Assignee
A Reyrolle and Co Ltd
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 A Reyrolle and Co Ltd filed Critical A Reyrolle and Co Ltd
Publication of GB552893A publication Critical patent/GB552893A/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
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7038—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by a conducting tubular gas flow enhancing nozzle

Landscapes

  • Circuit Breakers (AREA)
GB12448/41A 1941-09-25 1941-09-25 Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type Expired GB552893A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB272080X 1941-09-25
GB160942X 1942-09-16

Publications (1)

Publication Number Publication Date
GB552893A true GB552893A (en) 1943-04-29

Family

ID=26251791

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12448/41A Expired GB552893A (en) 1941-09-25 1941-09-25 Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type

Country Status (5)

Country Link
US (1) US2365133A (enrdf_load_stackoverflow)
CH (1) CH272080A (enrdf_load_stackoverflow)
FR (1) FR931052A (enrdf_load_stackoverflow)
GB (1) GB552893A (enrdf_load_stackoverflow)
NL (1) NL68754C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1113475A1 (en) * 1999-12-30 2001-07-04 ABB Research Ltd. Arcing contact assembly for medium and/or high voltage circuit breakers

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1067502B (enrdf_load_stackoverflow) *
US2491821A (en) * 1944-12-13 1949-12-20 Allis Chalmers Mfg Co Gas blast circuit breaker
DE19524217A1 (de) * 1995-07-03 1997-01-09 Abb Research Ltd Leistungsschalter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1113475A1 (en) * 1999-12-30 2001-07-04 ABB Research Ltd. Arcing contact assembly for medium and/or high voltage circuit breakers

Also Published As

Publication number Publication date
CH272080A (fr) 1950-11-30
FR931052A (fr) 1948-02-12
NL68754C (enrdf_load_stackoverflow)
US2365133A (en) 1944-12-12

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