US3892938A - System for adjusting the position of a coil - Google Patents

System for adjusting the position of a coil Download PDF

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Publication number
US3892938A
US3892938A US415336A US41533673A US3892938A US 3892938 A US3892938 A US 3892938A US 415336 A US415336 A US 415336A US 41533673 A US41533673 A US 41533673A US 3892938 A US3892938 A US 3892938A
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US
United States
Prior art keywords
coil
terminals
hoops
bar
cross bearer
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 - Lifetime
Application number
US415336A
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English (en)
Inventor
Georges Defosse
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.)
Elphiac SA
Original Assignee
Elphiac SA
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 Elphiac SA filed Critical Elphiac SA
Application granted granted Critical
Publication of US3892938A publication Critical patent/US3892938A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/22—Furnaces without an endless core
    • H05B6/30—Arrangements for remelting or zone melting

Definitions

  • Each of the hoops connects one bar integral 2,759,086 8/1956 Kalbow et a1 219/1017) X with the generator with one bar mounted on the cross $443,049 5/1969 Hoagland 219/1043 b ar 3.607 133 9/1971 Keller 219/1043 X 3,622,280 11/1971 Keller 219/1043 2 Claims, 2 Drawing Figures SYSTEM FOR ADJUSTING THE POSITION OF A COIL
  • the present invention concerns a system for adjusting the position of a coil fed by a current generator working at very high frequency and fixed to a cross bearer.
  • the object of the present invention is to provide a system which is air-tight or at a pressure which permits an accurate adjustment of the displacements of a coil within a given plane, while the coil is fed by a high frequency current.
  • the system comprises a translation device to which is held the cross bearer by means of four bar-like terminals perpendicular to the given plane, the translation device permitting the displacement of the cross bearer along the same plane. Two of these bars are mounted on said cross bearer and the other two being integral parts of the current generator, and by two flexible and curved hoops having a good surface electric conductivity, each of the hoops connecting one bar of the generator to a corresponding bar on the cross bearer.
  • FIG. 2 is an elevation view of the system illustrated in FIG. 1.
  • Each of the bars 8 is connected to one of the bars 9 through a flexible and curved hoop 10 having a good surface electrical conductivity and made. for example, of electrolytic copper.
  • the inductor 5 is cooled by means of a refrigerating liquid such as water.
  • the liquid flows from terminals 9 to terminals 8 on the cross bearer 4 by means of two thin pipes l l, the latter being substantially loop-shaped so as to present a flexibility which is comparable to that of hoops 10.
  • the above-described adjusting device may be particularly used in indirect heating, such as in the case where during a melting process by zone we start with a thin germ by a initial cone in a small cylindrical bar.
  • the heating of germ 12 is effectuated by means of the inductor 5 in the position 5', as illustrated by the dotted lines.
  • any change in the position of the cylindrical bar is extremely critical. The present invention avoids such changes to occur.
  • the hoops 10 are shown outwardly curved so that the space between the two hoops has the form of a cylindrical biconvex lens. It is often more advantageous to curve one of the two hoops inwardly so that the space between the two hoops I0 is shaped like a concave-convex cylindrical lens.
  • Means for adjusting the position of a coil fed by a current generator working at very high frequency said coil being mounted on a movable support, comprising an assembly of two dovetail slides movable, respectively, in two different directions in one plane, both perpendicular to the axis of the coil, said support being secured to said assembly, four bar-shaped terminals parallel to the axis of the coil two of said terminals being mounted on said support for movement therewith and two terminals being stationary adjacent thereto, and two flexible and curved hoops being electrically conductive, each of said hoops connecting one stationary terminal to one movable terminal.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Particle Accelerators (AREA)
  • General Induction Heating (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
US415336A 1972-11-13 1973-11-13 System for adjusting the position of a coil Expired - Lifetime US3892938A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE1004564 1972-11-13
BE791284 1972-11-13

Publications (1)

Publication Number Publication Date
US3892938A true US3892938A (en) 1975-07-01

Family

ID=25657056

Family Applications (1)

Application Number Title Priority Date Filing Date
US415336A Expired - Lifetime US3892938A (en) 1972-11-13 1973-11-13 System for adjusting the position of a coil

Country Status (6)

Country Link
US (1) US3892938A (fr)
JP (1) JPS49135235A (fr)
BE (1) BE791284A (fr)
DE (1) DE2356119A1 (fr)
FR (1) FR2206646B1 (fr)
GB (1) GB1410147A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271345A (en) * 1979-05-18 1981-06-02 Corning Glass Works Induction heating coil
US20150271875A1 (en) * 2014-03-21 2015-09-24 Inductoheat, Inc. Double-sided flat inductor assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2361587B (en) 2000-04-19 2003-11-26 Trikon Holdings Ltd Method of cooling an induction coil

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759085A (en) * 1952-08-21 1956-08-14 Hartford Nat Bank & Trust Co Method of heating a workpiece by high-frequency currents
US2759086A (en) * 1953-10-08 1956-08-14 Western Electric Co Induction heating apparatus
US3443049A (en) * 1966-12-29 1969-05-06 Dynatech Corp Specimen heating and rotating system
US3607138A (en) * 1967-04-21 1971-09-21 Siemens Ag Method and device for crucible-free floating-zone melting using a variable-diameter heating coil
US3622280A (en) * 1967-04-29 1971-11-23 Siemens Ag Adjustable heating device for crucible-free zone melting a crystalline rod
US3671703A (en) * 1969-03-29 1972-06-20 Siemens Ag Device for crucible-free, floating zone melting a crystalline
US3757072A (en) * 1972-08-10 1973-09-04 Park Ohio Industries Inc Induction heating apparatus and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB860853A (en) * 1958-02-18 1961-02-08 Gen Electric Improvements in or relating to methods and apparatus for high frequency induction heating
FR1483814A (fr) * 1966-03-18 1967-06-09 Construction De Materiel Elect Dispositif de commande et contrôle de l'escamotage de la self d'induction d'un four électrique à courant haute fréquence

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759085A (en) * 1952-08-21 1956-08-14 Hartford Nat Bank & Trust Co Method of heating a workpiece by high-frequency currents
US2759086A (en) * 1953-10-08 1956-08-14 Western Electric Co Induction heating apparatus
US3443049A (en) * 1966-12-29 1969-05-06 Dynatech Corp Specimen heating and rotating system
US3607138A (en) * 1967-04-21 1971-09-21 Siemens Ag Method and device for crucible-free floating-zone melting using a variable-diameter heating coil
US3622280A (en) * 1967-04-29 1971-11-23 Siemens Ag Adjustable heating device for crucible-free zone melting a crystalline rod
US3671703A (en) * 1969-03-29 1972-06-20 Siemens Ag Device for crucible-free, floating zone melting a crystalline
US3757072A (en) * 1972-08-10 1973-09-04 Park Ohio Industries Inc Induction heating apparatus and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271345A (en) * 1979-05-18 1981-06-02 Corning Glass Works Induction heating coil
US20150271875A1 (en) * 2014-03-21 2015-09-24 Inductoheat, Inc. Double-sided flat inductor assembly
US10251222B2 (en) * 2014-03-21 2019-04-02 Inductoheat, Inc. Double-sided flat inductor assembly

Also Published As

Publication number Publication date
FR2206646A1 (fr) 1974-06-07
JPS49135235A (en) 1974-12-26
DE2356119A1 (de) 1974-05-22
GB1410147A (en) 1975-10-15
BE791284A (fr) 1973-05-14
FR2206646B1 (fr) 1978-09-29

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