GB2268831B - Improvements relating to circuit breakers - Google Patents

Improvements relating to circuit breakers

Info

Publication number
GB2268831B
GB2268831B GB9215302A GB9215302A GB2268831B GB 2268831 B GB2268831 B GB 2268831B GB 9215302 A GB9215302 A GB 9215302A GB 9215302 A GB9215302 A GB 9215302A GB 2268831 B GB2268831 B GB 2268831B
Authority
GB
United Kingdom
Prior art keywords
circuit breakers
improvements relating
relating
breakers
circuit
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 - Fee Related
Application number
GB9215302A
Other versions
GB9215302D0 (en
GB2268831A (en
Inventor
Kenneth Neill
Keith Wray Ball
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.)
Schneider Electric USA Inc
Original Assignee
Square D Co
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 Square D Co filed Critical Square D Co
Priority to GB9215302A priority Critical patent/GB2268831B/en
Publication of GB9215302D0 publication Critical patent/GB9215302D0/en
Priority to IE930500A priority patent/IE72151B1/en
Priority to AU46829/93A priority patent/AU673534B2/en
Priority to US08/211,023 priority patent/US5457296A/en
Priority to JP6504614A priority patent/JPH06511137A/en
Priority to PCT/US1993/006749 priority patent/WO1994002979A1/en
Publication of GB2268831A publication Critical patent/GB2268831A/en
Application granted granted Critical
Publication of GB2268831B publication Critical patent/GB2268831B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/342—Venting arrangements for arc chutes
    • H01H2009/343—Venting arrangements for arc chutes with variable venting aperture function of arc chute internal pressure, e.g. resilient flap-valve or check-valve
GB9215302A 1992-07-17 1992-07-17 Improvements relating to circuit breakers Expired - Fee Related GB2268831B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB9215302A GB2268831B (en) 1992-07-17 1992-07-17 Improvements relating to circuit breakers
IE930500A IE72151B1 (en) 1992-07-17 1993-07-05 Improvements relating to circuit breakers
JP6504614A JPH06511137A (en) 1992-07-17 1993-07-19 Circuit breaker storage box
US08/211,023 US5457296A (en) 1992-07-17 1993-07-19 Circuit breaker enclosure
AU46829/93A AU673534B2 (en) 1992-07-17 1993-07-19 Circuit breaker enclosure
PCT/US1993/006749 WO1994002979A1 (en) 1992-07-17 1993-07-19 Circuit breaker enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9215302A GB2268831B (en) 1992-07-17 1992-07-17 Improvements relating to circuit breakers

Publications (3)

Publication Number Publication Date
GB9215302D0 GB9215302D0 (en) 1992-09-02
GB2268831A GB2268831A (en) 1994-01-19
GB2268831B true GB2268831B (en) 1996-04-24

Family

ID=10718931

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9215302A Expired - Fee Related GB2268831B (en) 1992-07-17 1992-07-17 Improvements relating to circuit breakers

Country Status (5)

Country Link
JP (1) JPH06511137A (en)
AU (1) AU673534B2 (en)
GB (1) GB2268831B (en)
IE (1) IE72151B1 (en)
WO (1) WO1994002979A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1027342C2 (en) * 2004-10-26 2006-04-27 Eaton Electric Nv Fire extinguisher for safety switch.

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB437387A (en) * 1934-05-03 1935-10-29 Harold Townley Baldwin Improvements in and relating to flame-proof or explosion-proof enclosures for electric switchgear and similar purposes
GB708941A (en) * 1951-06-15 1954-05-12 Reyrolle A & Co Ltd Improvements relating to electric circuit breakers
GB784766A (en) * 1954-10-25 1957-10-16 Allis Chalmers Mfg Co Improvements in cubicles housing drawout type switchgear
US4235347A (en) * 1978-04-21 1980-11-25 CEM Compagnie Electro-Mecanique Air-tight molded resin enclosure with a safety membrane for electric devices
GB2067839A (en) * 1979-12-12 1981-07-30 Heinemann Elect South Africa Arc extinction in circuit breakers
EP0176869A2 (en) * 1984-09-28 1986-04-09 Westinghouse Electric Corporation Molded case circuit breaker with an improved arc gas external venting system
EP0201731A2 (en) * 1985-05-01 1986-11-20 Westinghouse Electric Corporation Circuit breaker with arc chamber vents
EP0430446A1 (en) * 1989-12-01 1991-06-05 Northern Engineering Industries Plc Enclosures for electrical switchgear
GB2252671A (en) * 1991-02-07 1992-08-12 Long & Crawford Limited High power switching arrangement
WO1992016986A1 (en) * 1991-03-18 1992-10-01 Asea Brown Boveri Ab Distribution of cooling air in switchgear cubicles

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328553A (en) * 1966-07-28 1967-06-27 Ite Circuit Breaker Ltd Vented mounting block for circuit breaker
US4218596A (en) * 1978-01-16 1980-08-19 Gould Inc. Circuit breaker molded housing
US4261189A (en) * 1979-01-22 1981-04-14 Square D Company Panelboard vent assembly
US4876424A (en) * 1988-09-19 1989-10-24 Siemens Energy & Automation, Inc. Barrier with a venting scheme for a circuit breaker
US5064977A (en) * 1989-04-13 1991-11-12 Heinemann Electric Company Molded unitary frame for circuit protection

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB437387A (en) * 1934-05-03 1935-10-29 Harold Townley Baldwin Improvements in and relating to flame-proof or explosion-proof enclosures for electric switchgear and similar purposes
GB708941A (en) * 1951-06-15 1954-05-12 Reyrolle A & Co Ltd Improvements relating to electric circuit breakers
GB784766A (en) * 1954-10-25 1957-10-16 Allis Chalmers Mfg Co Improvements in cubicles housing drawout type switchgear
US4235347A (en) * 1978-04-21 1980-11-25 CEM Compagnie Electro-Mecanique Air-tight molded resin enclosure with a safety membrane for electric devices
GB2067839A (en) * 1979-12-12 1981-07-30 Heinemann Elect South Africa Arc extinction in circuit breakers
EP0176869A2 (en) * 1984-09-28 1986-04-09 Westinghouse Electric Corporation Molded case circuit breaker with an improved arc gas external venting system
EP0201731A2 (en) * 1985-05-01 1986-11-20 Westinghouse Electric Corporation Circuit breaker with arc chamber vents
EP0430446A1 (en) * 1989-12-01 1991-06-05 Northern Engineering Industries Plc Enclosures for electrical switchgear
GB2252671A (en) * 1991-02-07 1992-08-12 Long & Crawford Limited High power switching arrangement
WO1992016986A1 (en) * 1991-03-18 1992-10-01 Asea Brown Boveri Ab Distribution of cooling air in switchgear cubicles

Also Published As

Publication number Publication date
GB9215302D0 (en) 1992-09-02
AU673534B2 (en) 1996-11-14
GB2268831A (en) 1994-01-19
IE930500A1 (en) 1994-01-26
WO1994002979A1 (en) 1994-02-03
JPH06511137A (en) 1994-12-08
IE72151B1 (en) 1997-03-26
AU4682993A (en) 1994-02-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100717