GB669842A - Improvements in or relating to high frequency electric heating apparatus - Google Patents
Improvements in or relating to high frequency electric heating apparatusInfo
- Publication number
- GB669842A GB669842A GB483849A GB483849A GB669842A GB 669842 A GB669842 A GB 669842A GB 483849 A GB483849 A GB 483849A GB 483849 A GB483849 A GB 483849A GB 669842 A GB669842 A GB 669842A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- high frequency
- electric heating
- heating apparatus
- frequency electric
- 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
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
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/362—Coil arrangements with flat coil conductors
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Electrotherapy Devices (AREA)
Abstract
669,842. Induction heating. GENERAL ELECTRIC CO., Ltd., and CURTIS, P. B. Feb. 22, 1950 [Feb. 22, 1949]. No. 4838/49. Class 39(iii). An H.F. induction heater comprising a winding 10 and a work coil 13 (together forming a conventional concentrator) has a variable reactance in series (see Fig. 2, not shown) or parallel with the winding 10 to vary the loading, the variation being effected discontinuously to predetermined values by means of one or more tappings, if desired, while current is flowing in the work loop. In the embodiment described, the reactance is inductive and comprises two parallel conductors 14, which are bridged by a solenoid-controlled member 15, and the member 15 may be operated by any suitable means, e.g. mechanically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB483849A GB669842A (en) | 1949-02-22 | 1949-02-22 | Improvements in or relating to high frequency electric heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB483849A GB669842A (en) | 1949-02-22 | 1949-02-22 | Improvements in or relating to high frequency electric heating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB669842A true GB669842A (en) | 1952-04-09 |
Family
ID=9784737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB483849A Expired GB669842A (en) | 1949-02-22 | 1949-02-22 | Improvements in or relating to high frequency electric heating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB669842A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736788A (en) * | 1952-12-27 | 1956-02-28 | Ohio Commw Eng Co | Method and means for induction heating coil control |
-
1949
- 1949-02-22 GB GB483849A patent/GB669842A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736788A (en) * | 1952-12-27 | 1956-02-28 | Ohio Commw Eng Co | Method and means for induction heating coil control |
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