GB642200A - Improvements in, or relating to, induction furnaces - Google Patents
Improvements in, or relating to, induction furnacesInfo
- Publication number
- GB642200A GB642200A GB6253/48A GB625348A GB642200A GB 642200 A GB642200 A GB 642200A GB 6253/48 A GB6253/48 A GB 6253/48A GB 625348 A GB625348 A GB 625348A GB 642200 A GB642200 A GB 642200A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hearth
- units
- inductor
- metal
- refractory
- 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)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
642,200. Induction furnaces. BIRLEC, Ltd. Feb. 28, 1948, No. 6253. Convention date, Dec. 5, 1945. [Class 39(iii)] In a stationary submerged resistor type furnace for melting metal having a hearth 2 connected to two or more inductor units each with metal-containing passages 7, 8 forming a secondary loop threaded by a primary consisting of coil 10 wound on a laminated iron core 9 and surrounded by refractory material 11, an internal refractory wall 15 is provided on the hearth between the inductor units 4a, 4b so that if one unit is emptied of metal prior to removal, the other section and the hearth above it remain charged with molten metal to the level of the top 16 of the wall 15. Each inductor unit has a removable plug 12 with a clay filling 13 for emptying the molten metal. The hearth 2 and the units comprise refractory lined casings, and the units are detached by loosening bolts 14a connecting them to the hearths. Gaps 20 between the hearth and the units are filled with refractory cement. The passages 7, 8 of the secondary loop are straight. One inductor unit thus remains in use while the other is replaced. Specifications 571,304, 575,780, 599,439 and 642,199 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US642200XA | 1945-12-05 | 1945-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB642200A true GB642200A (en) | 1950-08-30 |
Family
ID=22054376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6253/48A Expired GB642200A (en) | 1945-12-05 | 1948-02-28 | Improvements in, or relating to, induction furnaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB642200A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251921A (en) * | 1963-03-22 | 1966-05-17 | Harry A Hartley | Metal heating and circulating apparatus |
| DE4224591A1 (en) * | 1992-07-22 | 1994-01-27 | Peter Wolschke | Space heating system comprising electric oven and fluid heater - utilises heat from oven walls to raise temp. of oil circulation through heaters and water circulation through separate coil |
-
1948
- 1948-02-28 GB GB6253/48A patent/GB642200A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3251921A (en) * | 1963-03-22 | 1966-05-17 | Harry A Hartley | Metal heating and circulating apparatus |
| DE4224591A1 (en) * | 1992-07-22 | 1994-01-27 | Peter Wolschke | Space heating system comprising electric oven and fluid heater - utilises heat from oven walls to raise temp. of oil circulation through heaters and water circulation through separate coil |
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