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 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH576989X 1958-03-24

Publications (1)

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

Family

ID=4521268

Family Applications (2)

Application Number Title Priority Date Filing Date
BE454451D BE454451A (fr) 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 (fr)
BE (2) BE576989A (fr)
CH (1) CH232447A (fr)
FR (1) FR902809A (fr)
GB (1) GB576989A (fr)
NL (1) NL60926C (fr)

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
NL61773C (fr) * 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
FR902809A (fr) 1945-09-13
US2417274A (en) 1947-03-11
NL60926C (fr) 1900-01-01
CH232447A (de) 1944-05-31
GB576989A (en) 1946-04-30
BE576989A (fr) 1959-09-23

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