GB576989A - Improvements in and relating to electric gas blast circuit breakers - Google Patents

Improvements in and relating to electric gas blast circuit breakers

Info

Publication number
GB576989A
GB576989A GB9695/44A GB969544A GB576989A GB 576989 A GB576989 A GB 576989A GB 9695/44 A GB9695/44 A GB 9695/44A GB 969544 A GB969544 A GB 969544A GB 576989 A GB576989 A GB 576989A
Authority
GB
United Kingdom
Prior art keywords
valve
gas
opening
blast circuit
spring
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
GB9695/44A
Other languages
English (en)
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 and CIE
BBC Brown Boveri AG Germany
Original Assignee
BBC BROWN BOVERI and CIE
Brown Boveri und Cie AG Germany
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 and CIE, Brown Boveri und Cie AG Germany filed Critical BBC BROWN BOVERI and CIE
Publication of GB576989A publication Critical patent/GB576989A/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
    • H01H33/80—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve
    • H01H33/82—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas
    • H01H33/83—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid flow of arc-extinguishing fluid from a pressure source being controlled by a valve the fluid being air or gas wherein the contacts are opened by the flow of air or gas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/785—With retarder or dashpot
    • Y10T137/7852—End of valve moves inside dashpot chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures

Landscapes

  • Circuit Breakers (AREA)
GB9695/44A 1943-02-18 1944-05-19 Improvements in and relating to electric gas blast circuit breakers Expired GB576989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH576989X 1943-02-18

Publications (1)

Publication Number Publication Date
GB576989A true GB576989A (en) 1946-04-30

Family

ID=4521268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9695/44A Expired GB576989A (en) 1943-02-18 1944-05-19 Improvements in and relating to electric gas blast circuit breakers

Country Status (6)

Country Link
US (1) US2417274A (enrdf_load_stackoverflow)
BE (2) BE576989A (enrdf_load_stackoverflow)
CH (1) CH232447A (enrdf_load_stackoverflow)
FR (1) FR902809A (enrdf_load_stackoverflow)
GB (1) GB576989A (enrdf_load_stackoverflow)
NL (1) NL60926C (enrdf_load_stackoverflow)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE601563C (de) * 1930-01-12 1934-08-18 Emil Lange Schalter mit Loeschung des Lichtbogens durch einen Druckgasstrom
US2197148A (en) * 1937-06-03 1940-04-16 United Aircraft Corp Backfire door
US2221720A (en) * 1937-08-25 1940-11-12 Gen Electric Electric circuit interrupter
BE447360A (enrdf_load_stackoverflow) * 1938-05-27
US2196247A (en) * 1938-10-18 1940-04-09 Wright Aeronautical Corp Supercharger relief valve
US2345724A (en) * 1942-03-19 1944-04-04 Westinghouse Electric & Mfg Co Circuit breaker

Also Published As

Publication number Publication date
BE576989A (fr) 1959-09-23
FR902809A (fr) 1945-09-13
US2417274A (en) 1947-03-11
CH232447A (de) 1944-05-31
BE454451A (enrdf_load_stackoverflow) 1900-01-01
NL60926C (enrdf_load_stackoverflow) 1900-01-01

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