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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

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

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