GB719856A - Improvements in or relating to electric circuit breakers of the oil immersed type - Google Patents

Improvements in or relating to electric circuit breakers of the oil immersed type

Info

Publication number
GB719856A
GB719856A GB92551A GB92551A GB719856A GB 719856 A GB719856 A GB 719856A GB 92551 A GB92551 A GB 92551A GB 92551 A GB92551 A GB 92551A GB 719856 A GB719856 A GB 719856A
Authority
GB
United Kingdom
Prior art keywords
relating
electric circuit
circuit breakers
oil immersed
immersed type
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
GB92551A
Inventor
Arthur Upton
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.)
Johnson and Phillips Ltd
Original Assignee
Johnson and Phillips 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 Johnson and Phillips Ltd filed Critical Johnson and Phillips Ltd
Priority to GB92551A priority Critical patent/GB719856A/en
Publication of GB719856A publication Critical patent/GB719856A/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
    • H01H33/72—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid having stationary parts for directing the flow of arc-extinguishing fluid, e.g. arc-extinguishing chamber
    • H01H33/75—Liquid-break switches, e.g. oil-break

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

719,856. Oil-blast switches. JOHNSON & PHILLIPS, Ltd. April 15, 1952 [Jan. 12, 1951], No. 925/51. Drawings to Specification. Class 38(5) The subject-matter of this Specification is substantially the same as that described in Specifications 719,855 and 719,857 but the claims differ.
GB92551A 1951-01-12 1951-01-12 Improvements in or relating to electric circuit breakers of the oil immersed type Expired GB719856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB92551A GB719856A (en) 1951-01-12 1951-01-12 Improvements in or relating to electric circuit breakers of the oil immersed type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB92551A GB719856A (en) 1951-01-12 1951-01-12 Improvements in or relating to electric circuit breakers of the oil immersed type

Publications (1)

Publication Number Publication Date
GB719856A true GB719856A (en) 1954-12-08

Family

ID=9712932

Family Applications (1)

Application Number Title Priority Date Filing Date
GB92551A Expired GB719856A (en) 1951-01-12 1951-01-12 Improvements in or relating to electric circuit breakers of the oil immersed type

Country Status (1)

Country Link
GB (1) GB719856A (en)

Similar Documents

Publication Publication Date Title
GB982897A (en) Improvements in or relating to electrical switches
GB983502A (en) Improvements in or relating to gas-blast electric circuit-breakers
GB719856A (en) Improvements in or relating to electric circuit breakers of the oil immersed type
GB719857A (en) Improvements in or relating to electric circuit breakers of the oil immersed type
GB865539A (en) Improvements in or relating to electric switches
GB748748A (en) Improvements in or relating to lever operated electric switches
GB674119A (en) Improvements in electrically tripped switches
GB828784A (en) Improvements in or relating to circuit arrangements for operating electric lamps
GB933397A (en) Electrical selector apparatus
GB624316A (en) Improvements in or relating to thermostatic and other snap action electric switches
GB699439A (en) Improvements in or relating to electric switchgear and fuses
GB688445A (en) Improvements in or relating to direct current relays
GB717160A (en) Improvements in or relating to electric circuits
GB750038A (en) Improvements in or relating to electric incinerators
GB800365A (en) Improvements relating to electrical switch gear
GB657089A (en) Improvements in or relating to relaxation circuits
AU134652B2 (en) Improvements in or relating to fuse carriers and contacts therefor
GB840396A (en) An electric tumbler switch
AU153815B2 (en) Improvements in or relating to circuit breakers
AU157090B2 (en) Improvements in and relating'to, electric circuit breakers
AU144242B2 (en) Improvements in or relating to electrical condenser assembly
CA449177A (en) Circuit arrangement
AU157337B2 (en) Improvements in or relating to circuit breakers
AU156503B2 (en) Improvements in or relating to circuit breakers
AU152516B2 (en) Improvements in or relating to circuit breakers