FR858325A - Improvements to electrical switches - Google Patents

Improvements to electrical switches

Info

Publication number
FR858325A
FR858325A FR858325DA FR858325A FR 858325 A FR858325 A FR 858325A FR 858325D A FR858325D A FR 858325DA FR 858325 A FR858325 A FR 858325A
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR858325A publication Critical patent/FR858325A/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
    • H01H33/7023—Switches 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
    • H01H33/703—Switches 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
    • 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
    • H01H33/02—Details
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
FR858325D 1938-08-02 1939-07-27 Improvements to electrical switches Expired FR858325A (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
FR858325A true FR858325A (en) 1940-11-22

Family

ID=10185416

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858325D Expired FR858325A (en) 1938-08-02 1939-07-27 Improvements to electrical switches

Country Status (2)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020397B (en) * 1954-06-04 1957-12-05 Asea Ab Multi-phase compressed air switch
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
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

Families Citing this family (7)

* 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
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
JPS5576526A (en) * 1978-12-01 1980-06-09 Hitachi Ltd Gas breaker
DE19613569A1 (en) * 1996-04-04 1997-10-09 Asea Brown Boveri Circuit breaker
DE19613568A1 (en) * 1996-04-04 1997-10-09 Asea Brown Boveri Circuit breaker

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020397B (en) * 1954-06-04 1957-12-05 Asea Ab Multi-phase compressed air switch
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
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

Also Published As

Publication number Publication date
GB517623A (en) 1940-02-05
GB517622A (en) 1940-02-05

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