GB2145589B - Improvements in or relating to apparatus and method for generating a plurity of electric discharges - Google Patents

Improvements in or relating to apparatus and method for generating a plurity of electric discharges

Info

Publication number
GB2145589B
GB2145589B GB08423878A GB8423878A GB2145589B GB 2145589 B GB2145589 B GB 2145589B GB 08423878 A GB08423878 A GB 08423878A GB 8423878 A GB8423878 A GB 8423878A GB 2145589 B GB2145589 B GB 2145589B
Authority
GB
United Kingdom
Prior art keywords
plurity
relating
generating
electric discharges
discharges
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
GB08423878A
Other versions
GB8423878D0 (en
GB2145589A (en
Inventor
Dr John Ernest Harry
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.)
Loughborough Consultants Ltd
Original Assignee
Loughborough Consultants Ltd
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 Loughborough Consultants Ltd filed Critical Loughborough Consultants Ltd
Publication of GB8423878D0 publication Critical patent/GB8423878D0/en
Publication of GB2145589A publication Critical patent/GB2145589A/en
Application granted granted Critical
Publication of GB2145589B publication Critical patent/GB2145589B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T15/00—Circuits specially adapted for spark gaps, e.g. ignition circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/04—Welding for other purposes than joining, e.g. built-up welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/18—Submerged-arc welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/06—Starting switches thermal only
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/36—Circuit arrangements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/44—Plasma torches using an arc using more than one torch

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Plasma Technology (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
GB08423878A 1981-03-19 1984-09-20 Improvements in or relating to apparatus and method for generating a plurity of electric discharges Expired GB2145589B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8108656 1981-03-19
GB8108654 1981-03-19
GB8108653 1981-03-19

Publications (3)

Publication Number Publication Date
GB8423878D0 GB8423878D0 (en) 1984-10-24
GB2145589A GB2145589A (en) 1985-03-27
GB2145589B true GB2145589B (en) 1985-11-13

Family

ID=27261144

Family Applications (4)

Application Number Title Priority Date Filing Date
GB08423881A Expired GB2145310B (en) 1981-03-19 1982-03-18 Generating a plurality of electric discharges, plasma torches
GB08423878A Expired GB2145589B (en) 1981-03-19 1984-09-20 Improvements in or relating to apparatus and method for generating a plurity of electric discharges
GB08423879A Withdrawn GB2145590A (en) 1981-03-19 1984-09-20 Generating a plurality of electric discharges
GB08423880A Expired GB2145591B (en) 1981-03-19 1984-09-20 Generating a plurality of electric discharges

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB08423881A Expired GB2145310B (en) 1981-03-19 1982-03-18 Generating a plurality of electric discharges, plasma torches

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB08423879A Withdrawn GB2145590A (en) 1981-03-19 1984-09-20 Generating a plurality of electric discharges
GB08423880A Expired GB2145591B (en) 1981-03-19 1984-09-20 Generating a plurality of electric discharges

Country Status (1)

Country Link
GB (4) GB2145310B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351923A (en) 1999-07-12 2001-01-17 Perkins Engines Co Ltd Self-cleaning particulate filter utilizing electric discharge currents
FR2842389B1 (en) * 2002-07-09 2004-08-20 Physiques Ecp Et Chimiques MODULAR DEVICE FOR GENERATING MULTIPLE HIGH VOLTAGE SLIDING ELECTRIC SHOCK

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB220840A (en) * 1923-10-10 1924-08-28 Friedrich Schmidt Improvements in and relating to alternating current arc welding apparatus
GB360288A (en) * 1930-02-01 1931-11-05 Bbc Brown Boveri & Cie Improvements in and relating to a rectifier system for feeding electric arc furnacesfrom alternating current
GB476818A (en) * 1936-06-29 1937-12-16 Siemens Electric Lamps & Suppl Improvements relating to high pressure metallic vapour electric discharge lamps
GB486768A (en) * 1936-12-04 1938-06-07 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Improvements in or relating to high-pressure metal vapour electric discharge lamps
GB516897A (en) * 1938-07-12 1940-01-15 John Herbert St Hill Mawdsley Improvements relating to supply arrangements for electric arc welding
GB523377A (en) * 1939-01-04 1940-07-12 Gen Electric Co Ltd Improvements in combinations of a high-pressure mercury-vapour lamp and circuit elements adapted to operate it
GB583708A (en) * 1944-11-20 1946-12-24 Westinghouse Brake & Signal Improvements relating to electric welding apparatus
US2655586A (en) * 1950-03-07 1953-10-13 Union Carbide & Carbon Corp Multiple electrode polyphase arc welding
GB827757A (en) * 1956-12-27 1960-02-10 Michael Zack Improvements in and relating to alternating current arc welding apparatus
GB832946A (en) * 1957-03-25 1960-04-21 Saint Gobain Improvements in or relating to the manufacture of hydrocyanic acid by electrical discharge
US2906861A (en) * 1957-09-16 1959-09-29 Air Reduction Multiple arc welding
GB974444A (en) * 1962-07-31 1964-11-04 British Iron Steel Research Improvements in or relating to electric arc furnaces
GB992683A (en) * 1962-12-31 1965-05-19 British Oxygen Co Ltd An electric arc-heated plasma torch
GB1061643A (en) * 1963-04-11 1967-03-15 British Oxygen Co Ltd Melting of metals in a furnace by means of a stabilized alternating current arc
US3361862A (en) * 1964-06-15 1968-01-02 Union Carbide Corp System for supplying power to an electric arc metallurgical furnace
US3496329A (en) * 1965-07-16 1970-02-17 Welding Research Inc Welding system
GB1152366A (en) * 1965-11-22 1969-05-14 Central Electr Generat Board Improvements in or relating to Electrical Arc Furnaces
GB1188024A (en) * 1967-04-05 1970-04-15 Welding Inst Improvements in or relating to Arc Welding Processes and Apparatus.
DE1588504A1 (en) * 1967-12-01 1971-02-04 Licentia Gmbh Arrangement for dynamic compensation of the voltage drop in a network
BE730815A (en) * 1969-03-31 1969-09-01
US3801853A (en) * 1969-05-28 1974-04-02 G Giannini Discharge tube apparatus
US3611015A (en) * 1970-04-06 1971-10-05 Gen Electric High intensity multiple arc lamp
DE2247383A1 (en) * 1971-09-28 1973-04-05 Ryoda Sato ARC GENERATOR
DD97842A1 (en) * 1972-06-29 1973-05-21
GB1472497A (en) * 1975-07-03 1977-05-04 Inst Elektroswarki Patona Apparatus for plasma treatment of metals
US4219705A (en) * 1978-04-05 1980-08-26 Hill Alan E Sound production using large volume plasmas
DE2936139A1 (en) * 1979-09-07 1981-03-19 Messer Griesheim Gmbh, 6000 Frankfurt METHOD AND DEVICE FOR ARC WELDING, IN PARTICULAR FOR SUB-POWDER WELDING

Also Published As

Publication number Publication date
GB8423881D0 (en) 1984-10-24
GB2145590A (en) 1985-03-27
GB8423878D0 (en) 1984-10-24
GB8423879D0 (en) 1984-10-24
GB2145310A (en) 1985-03-20
GB2145310B (en) 1985-11-20
GB2145589A (en) 1985-03-27
GB2145591B (en) 1985-11-20
GB2145591A (en) 1985-03-27
GB8423880D0 (en) 1984-10-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960318