GR74071B - - Google Patents

Info

Publication number
GR74071B
GR74071B GR61116A GR800161116A GR74071B GR 74071 B GR74071 B GR 74071B GR 61116 A GR61116 A GR 61116A GR 800161116 A GR800161116 A GR 800161116A GR 74071 B GR74071 B GR 74071B
Authority
GR
Greece
Application number
GR61116A
Other languages
Greek (el)
Original Assignee
Tironi Electromecc
Siv Soc Italiana Vetro
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 Tironi Electromecc, Siv Soc Italiana Vetro filed Critical Tironi Electromecc
Publication of GR74071B publication Critical patent/GR74071B/el

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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0019—Circuit arrangements
    • H05B3/0023—Circuit arrangements for heating by passing the current directly across the material to be heated
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1913—Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/66—Regulating electric power

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Resistance Heating (AREA)
  • Control Of Electrical Variables (AREA)
GR61116A 1979-02-19 1980-02-04 GR74071B (Direct)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7940024A IT7940024A0 (it) 1979-02-19 1979-02-19 Metodo per la fusione di materiali vetrosi ed uso di dispositivo idoneo alla realizzazione del metodo

Publications (1)

Publication Number Publication Date
GR74071B true GR74071B (Direct) 1984-06-06

Family

ID=11246721

Family Applications (1)

Application Number Title Priority Date Filing Date
GR61116A GR74071B (Direct) 1979-02-19 1980-02-04

Country Status (8)

Country Link
US (1) US4412334A (Direct)
EP (1) EP0014873A1 (Direct)
BR (1) BR8000982A (Direct)
CA (1) CA1147784A (Direct)
ES (1) ES488397A0 (Direct)
GR (1) GR74071B (Direct)
IT (1) IT7940024A0 (Direct)
PT (1) PT70821A (Direct)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS235792B1 (en) 1983-04-06 1985-05-15 Pavel Zahalka Connection for direct heating of ionic melt especially of glass by alternating current passage with lower frequency than 50 hz
DE19531517C1 (de) * 1995-08-26 1996-11-14 Bosch Gmbh Robert Verfahren zur Steuerung der abgegebenen Leistung einer elektrischen Schaltung, insbesondere einer Sinusquelle
ITMI20101719A1 (it) * 2010-09-21 2012-03-22 Chin-Yi Lin Regolatore di potenza, sistema di controllo della potenza e relativo metodo

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902524A (en) * 1955-10-26 1959-09-01 Stratabar Process Company Method and apparatus for producing molten silicates
US3395237A (en) * 1967-05-03 1968-07-30 Harold S. Orton Electric resistance furnace
US3524918A (en) * 1967-09-04 1970-08-18 Tokyo Shibaura Electric Co Electrically-heated glass-melting apparatus
GB1256694A (Direct) * 1968-03-18 1971-12-15
US3633095A (en) * 1970-07-31 1972-01-04 Fairchild Camera Instr Co Zero-crossing power line control system
US3878358A (en) * 1972-11-16 1975-04-15 Xerox Corp Digital power control
US3818112A (en) * 1973-04-30 1974-06-18 Corhart Refractories Co Electrical furnace for melting glass
US3984611A (en) * 1974-10-15 1976-10-05 Owens-Corning Fiberglas Corporation Method of and apparatus for monitoring for incipient electrode failure in the Joule effect heating of heat softenable material
US3961236A (en) * 1975-02-07 1976-06-01 Xerox Corporation Constant power regulator for xerographic fusing system

Also Published As

Publication number Publication date
ES8101520A1 (es) 1980-12-16
BR8000982A (pt) 1980-10-29
CA1147784A (en) 1983-06-07
PT70821A (en) 1980-03-01
IT7940024A0 (it) 1979-02-19
US4412334A (en) 1983-10-25
EP0014873A1 (en) 1980-09-03
ES488397A0 (es) 1980-12-16

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