GB517623A - Improvements in or relating to electric circuit-breakers of the gas-blast type - Google Patents

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

Info

Publication number
GB517623A
GB517623A GB2281138A GB2281138A GB517623A GB 517623 A GB517623 A GB 517623A GB 2281138 A GB2281138 A GB 2281138A GB 2281138 A GB2281138 A GB 2281138A GB 517623 A GB517623 A GB 517623A
Authority
GB
United Kingdom
Prior art keywords
breakers
relating
gas
electric circuit
blast 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
GB2281138A
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.)
JAMES ALFRED HARLE
A Reyrolle and Co Ltd
Original Assignee
JAMES ALFRED HARLE
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 JAMES ALFRED HARLE, A Reyrolle and Co Ltd filed Critical JAMES ALFRED HARLE
Publication of GB517623A publication Critical patent/GB517623A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
    • H01H33/703Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/24Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
GB2281138A 1938-08-02 1938-08-02 Improvements in or relating to electric circuit-breakers of the gas-blast type Expired GB517623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2281038A GB517622A (en) 1938-08-02 1938-08-02 Improvements in or relating to electric circuit-breakers having arc-control devices

Publications (1)

Publication Number Publication Date
GB517623A true GB517623A (en) 1940-02-05

Family

ID=10185416

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2281138A Expired GB517623A (en) 1938-08-02 1938-08-02 Improvements in or relating to electric circuit-breakers of the gas-blast type
GB2281038A Expired GB517622A (en) 1938-08-02 1938-08-02 Improvements in or relating to electric circuit-breakers having arc-control devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2281038A Expired GB517622A (en) 1938-08-02 1938-08-02 Improvements in or relating to electric circuit-breakers having arc-control devices

Country Status (2)

Country Link
FR (1) FR858325A (en)
GB (2) GB517623A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365126A (en) * 1978-12-01 1982-12-21 Hitachi, Ltd. Gas circuit breaker

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741957C (en) * 1941-05-21 1943-11-19 Aeg Electric circuit breaker for high voltage direct current
US2666107A (en) * 1949-09-13 1954-01-12 Westinghouse Electric Corp Compressed gas circuit interrupter
DE1020397B (en) * 1954-06-04 1957-12-05 Asea Ab Multi-phase compressed air switch
US3379849A (en) * 1964-12-17 1968-04-23 Westinghouse Electric Corp Dual-pressure gas-blast circuit breaker with piston means and interrupting unit in closed tank
US3592984A (en) * 1969-07-07 1971-07-13 Ite Circuit Breaker Ltd Isolating switch having spherical, ellipsoid, toroid or spheroid electrodes and a retractable switchblade
FR2518304A2 (en) * 1981-10-29 1983-06-17 Alsthom Atlantique Sleeve for fuse link in medium tension switchgear - uses cylindrical bellows with end caps fitting over bushings to cover fuse link accessible by compressing bellows
FR2515857A1 (en) * 1981-10-29 1983-05-06 Alsthom Atlantique Sleeve for medium voltage electric cable - includes conical end to match conical block as cable passes into metal casing
DE19613568A1 (en) * 1996-04-04 1997-10-09 Asea Brown Boveri Circuit breaker
DE19613569A1 (en) * 1996-04-04 1997-10-09 Asea Brown Boveri Circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365126A (en) * 1978-12-01 1982-12-21 Hitachi, Ltd. Gas circuit breaker

Also Published As

Publication number Publication date
FR858325A (en) 1940-11-22
GB517622A (en) 1940-02-05

Similar Documents

Publication Publication Date Title
GB517623A (en) Improvements in or relating to electric circuit-breakers of the gas-blast type
GB506293A (en) Improvements relating to electric switch contacts
AU107576B2 (en) Improvements in or relating to liquid-insulated electric circuit-breakers
AU107577B2 (en) Improvements in or relating to liquid-insulated electric circuit-breakers
GB509633A (en) Improvements relating to quick action electric switches
GB508537A (en) Improvements in or relating to electrical switches of the snap-action type
AU490938A (en) Improvements in or relating to liquid-insulated electric circuit-breakers
AU492838A (en) Improvements in or relating to liquid-insulated electric circuit-breakers
AU108955B2 (en) Improvements in or relating to electric switchgear
AU108446B2 (en) Improvements in or relating to electric switches
GB509879A (en) Improvements in or relating to electric overload trip switches
AU105605B2 (en) Improvements in or relating to circuit breakers
AU105279B2 (en) Improvements in or relating to circuit breakers
GB508722A (en) Improvements in or relating to electric discharge devices
AU483138A (en) Improvements in or relating to electric switchgear
AU374838A (en) Improvements in or relating to electric switches
GB508733A (en) Improvements in, or relating to, snap-action electric switches
AU103881B2 (en) Improvements relating to electric switches
AU147538A (en) Improvements in or relating to circuit breakers
AU105187B2 (en) Improvements in or relating to electrical switch fuse combinations
GB509634A (en) Improvements relating to quick action electric switches
AU107114B2 (en) Improvements in electric switches
AU108472B2 (en) Improvements in or relating to electrical switching apparatus
AU109849B2 (en) Improvements in and relating to electric switches
AU107316B2 (en) Improvements in and relating to electric switches