NO117138B - - Google Patents

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Publication number
NO117138B
NO117138B NO0522/68A NO52268A NO117138B NO 117138 B NO117138 B NO 117138B NO 0522/68 A NO0522/68 A NO 0522/68A NO 52268 A NO52268 A NO 52268A NO 117138 B NO117138 B NO 117138B
Authority
NO
Norway
Prior art keywords
drill
piston
cavity
sleeve
screwed
Prior art date
Application number
NO0522/68A
Other languages
English (en)
Norwegian (no)
Inventor
E Svendsen
Original Assignee
Elektrokemisk As
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 Elektrokemisk As filed Critical Elektrokemisk As
Priority to NO0522/68A priority Critical patent/NO117138B/no
Priority to US796769A priority patent/US3520978A/en
Priority to JP44008216A priority patent/JPS4827259B1/ja
Priority to YU0260/69A priority patent/YU32802B/xx
Priority to GB6992/69A priority patent/GB1209133A/en
Priority to ZM8/69A priority patent/ZM869A1/xx
Priority to FR6903080A priority patent/FR2001708A1/fr
Publication of NO117138B publication Critical patent/NO117138B/no

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • H05B7/148—Automatic control of power
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/10—Nuclear fusion reactors
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Earth Drilling (AREA)
  • Discharge Heating (AREA)
NO0522/68A 1968-02-10 1968-02-10 NO117138B (cg-RX-API-DMAC7.html)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NO0522/68A NO117138B (cg-RX-API-DMAC7.html) 1968-02-10 1968-02-10
US796769A US3520978A (en) 1968-02-10 1969-02-05 Control circuit for automatic positioning of pairs of electrodes in smelting furnaces
JP44008216A JPS4827259B1 (cg-RX-API-DMAC7.html) 1968-02-10 1969-02-05
YU0260/69A YU32802B (en) 1968-02-10 1969-02-05 Uredaj za automatsku kontolu polozaja elektroda u elektricnoj peci za topljenje
GB6992/69A GB1209133A (en) 1968-02-10 1969-02-10 Arrangement for automatic control of electrodes in smelting furnaces equipped with an even number of electrodes
ZM8/69A ZM869A1 (en) 1968-02-10 1969-02-10 Arrangement for automatic control of electrodes in smelting furnaces equipped with an even number of electrodes
FR6903080A FR2001708A1 (cg-RX-API-DMAC7.html) 1968-02-10 1969-02-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO0522/68A NO117138B (cg-RX-API-DMAC7.html) 1968-02-10 1968-02-10

Publications (1)

Publication Number Publication Date
NO117138B true NO117138B (cg-RX-API-DMAC7.html) 1969-07-07

Family

ID=19877648

Family Applications (1)

Application Number Title Priority Date Filing Date
NO0522/68A NO117138B (cg-RX-API-DMAC7.html) 1968-02-10 1968-02-10

Country Status (7)

Country Link
US (1) US3520978A (cg-RX-API-DMAC7.html)
JP (1) JPS4827259B1 (cg-RX-API-DMAC7.html)
FR (1) FR2001708A1 (cg-RX-API-DMAC7.html)
GB (1) GB1209133A (cg-RX-API-DMAC7.html)
NO (1) NO117138B (cg-RX-API-DMAC7.html)
YU (1) YU32802B (cg-RX-API-DMAC7.html)
ZM (1) ZM869A1 (cg-RX-API-DMAC7.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732350A (en) * 1970-12-03 1973-05-08 British Iron Steel Research Power control
DE2456512C3 (de) * 1974-11-29 1987-01-22 Leybold-Heraeus GmbH, 5000 Köln Anordnung zur Regelung der Eintauchtiefe von Abschmelzelektroden in Elektroschlacke-Umschmelzöfen
IT1157393B (it) * 1978-10-31 1987-02-11 Centro Speriment Metallurg Sistema per il controllo e la regolazione degli elettrodi nel processo di rifusione di metalli sotto scoria elettroconduttrice
US4483008A (en) * 1982-01-26 1984-11-13 Owens-Corning Fiberglas Corporation Arc gap controller for glass-melting furnace
CN110715554B (zh) * 2019-11-14 2024-11-15 中冶赛迪工程技术股份有限公司 炉底开出式直流电弧炉底电极电缆自动对接装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721948A (en) * 1953-02-10 1955-10-25 Ohio Ferro Alloys Corp Automatic voltage and electrode control for electric-arc furnaces
US3376374A (en) * 1964-10-30 1968-04-02 Westinghouse Electric Corp Polyphase arc furnace with control system to raise one electrode prior to all electrodes striking an arc

Also Published As

Publication number Publication date
FR2001708A1 (cg-RX-API-DMAC7.html) 1969-09-26
JPS4827259B1 (cg-RX-API-DMAC7.html) 1973-08-21
ZM869A1 (en) 1969-10-16
GB1209133A (en) 1970-10-21
YU32802B (en) 1975-08-31
YU26069A (en) 1975-02-28
US3520978A (en) 1970-07-21

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