FR1144885A - Pneumatic circuit breaker with auxiliary cut-off zone for resistors in parallel - Google Patents

Pneumatic circuit breaker with auxiliary cut-off zone for resistors in parallel

Info

Publication number
FR1144885A
FR1144885A FR1144885DA FR1144885A FR 1144885 A FR1144885 A FR 1144885A FR 1144885D A FR1144885D A FR 1144885DA FR 1144885 A FR1144885 A FR 1144885A
Authority
FR
France
Prior art keywords
resistors
zone
parallel
circuit breaker
pneumatic 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
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
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 BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Application granted granted Critical
Publication of FR1144885A publication Critical patent/FR1144885A/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
    • H01H33/02Details
    • H01H33/04Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16Impedances connected with contacts
FR1144885D 1955-04-14 1956-03-28 Pneumatic circuit breaker with auxiliary cut-off zone for resistors in parallel Expired FR1144885A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH337908T 1955-04-14
CH352725T 1957-04-23

Publications (1)

Publication Number Publication Date
FR1144885A true FR1144885A (en) 1957-10-18

Family

ID=25738494

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1144885D Expired FR1144885A (en) 1955-04-14 1956-03-28 Pneumatic circuit breaker with auxiliary cut-off zone for resistors in parallel
FR763874A Expired FR73508E (en) 1955-04-14 1958-04-23 Pneumatic circuit breaker with auxiliary cut-off zone for resistors in parallel

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR763874A Expired FR73508E (en) 1955-04-14 1958-04-23 Pneumatic circuit breaker with auxiliary cut-off zone for resistors in parallel

Country Status (6)

Country Link
US (2) US2885514A (en)
BE (2) BE546900A (en)
CH (2) CH337908A (en)
DE (2) DE952193C (en)
FR (2) FR1144885A (en)
GB (2) GB803714A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1097131A (en) * 1963-11-16 1967-12-29 English Electric Co Ltd Improvements in or relating to circuit breakers
CH406357A (en) * 1964-03-26 1966-01-31 Sprecher & Schuh Ag Switch for high voltage direct current
CH489126A (en) * 1968-10-15 1970-04-15 Bbc Brown Boveri & Cie Switching device
US3629532A (en) * 1970-02-20 1971-12-21 Sun Electric Corp Immediately responsive fluid flow operated switch with normally closed spring contact in flow channel
CA963942A (en) * 1971-01-12 1975-03-04 Edmond Thuries Control device for auxiliary circuit breaker switches
US3995198A (en) * 1973-05-14 1976-11-30 Licentia Patent-Verwaltungs-G.M.B.H. High voltage circuit breaker
DE2451011C2 (en) * 1974-10-26 1984-06-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt High-voltage circuit breakers with on and off resistors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1331882A (en) * 1919-08-09 1920-02-24 Gen Electric Electromagnetic switch
BE416391A (en) * 1935-07-13
GB538672A (en) * 1939-03-30 1941-08-12 Asea Ab Compressed air circuit breaker having a resistance bridging the contacts
BE457528A (en) * 1943-09-11
NL73206C (en) * 1948-07-23

Also Published As

Publication number Publication date
DE1033759B (en) 1958-07-10
BE546900A (en) 1959-10-23
FR73508E (en) 1960-08-22
CH337908A (en) 1959-04-30
DE952193C (en) 1956-11-15
CH352725A (en) 1961-03-15
US2892913A (en) 1959-06-30
BE567017A (en) 1960-08-12
US2885514A (en) 1959-05-05
GB866368A (en) 1961-04-26
GB803714A (en) 1958-10-29

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