BE454451A - - Google Patents

Info

Publication number
BE454451A
BE454451A BE454451DA BE454451A BE 454451 A BE454451 A BE 454451A BE 454451D A BE454451D A BE 454451DA BE 454451 A BE454451 A BE 454451A
Authority
BE
Belgium
Application number
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.)
Publication date
Publication of BE454451A publication Critical patent/BE454451A/xx

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
BE454451D 1943-02-18 BE454451A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE454451A true BE454451A (enrdf_load_stackoverflow) 1900-01-01

Family

ID=4521268

Family Applications (2)

Application Number Title Priority Date Filing Date
BE454451D BE454451A (enrdf_load_stackoverflow) 1943-02-18
BE576989A BE576989A (fr) 1958-03-24 1959-03-23 Procédé de préparation de nouveaux mercapto-composés

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE576989A BE576989A (fr) 1958-03-24 1959-03-23 Procédé de préparation de nouveaux mercapto-composés

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
GB576989A (en) 1946-04-30
BE576989A (fr) 1959-09-23
FR902809A (fr) 1945-09-13
US2417274A (en) 1947-03-11
CH232447A (de) 1944-05-31
NL60926C (enrdf_load_stackoverflow) 1900-01-01

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