GB642199A - Improvements in, or relating to, induction furnaces - Google Patents
Improvements in, or relating to, induction furnacesInfo
- Publication number
- GB642199A GB642199A GB6251/48A GB625148A GB642199A GB 642199 A GB642199 A GB 642199A GB 6251/48 A GB6251/48 A GB 6251/48A GB 625148 A GB625148 A GB 625148A GB 642199 A GB642199 A GB 642199A
- Authority
- GB
- United Kingdom
- Prior art keywords
- channels
- channel
- hearth
- sectional area
- primary coils
- 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
- H05B6/16—Furnaces having endless cores
- H05B6/20—Furnaces having endless cores having melting channel only
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
642,199. Induction furnaces. BIRLEC, Ltd. Feb. 28, 1948, No. 6251. Convention date, Nov. 13, 1943. [Class 39(iii)] In an induction furnace of the submerged resistor type having three straight connection channels 4, 5 between the hearth 2 and a horizontal channel 7 which together form two secondary melting loops threaded by two primary coils 8, the channels are of uniform cross sectional area and the cross sectional area of the bottom channel 7 is greater than that of any of the channels 4, 5. The furnace is suitable for melting light metals and the straight vertical channels 4, 5 have no flaring end portions. The ratio of the cross-sectional areas of the horizontal channel 7, the central vertical channel 5 and each of the outer lateral channels 4 approximates to 3:2:1. The roof part of the bottom channel 7 and the bottom section of the hearth are each formed with a groove leading to the vertical channels. Air is blown over the primary coils 8, which are of rectangular cross section each wound on a closed iron core 10 and may be connected in series or parallel. Specifications 571,304 and 575,780 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US642199XA | 1943-11-13 | 1943-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB642199A true GB642199A (en) | 1950-08-30 |
Family
ID=22054375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6251/48A Expired GB642199A (en) | 1943-11-13 | 1948-02-28 | Improvements in, or relating to, induction furnaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB642199A (en) |
-
1948
- 1948-02-28 GB GB6251/48A patent/GB642199A/en not_active Expired
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