GB297503A - Improvements relating to electric heating devices for use in electric furnaces, domestic heating appliances and the like - Google Patents
Improvements relating to electric heating devices for use in electric furnaces, domestic heating appliances and the likeInfo
- Publication number
- GB297503A GB297503A GB1682427A GB1682427A GB297503A GB 297503 A GB297503 A GB 297503A GB 1682427 A GB1682427 A GB 1682427A GB 1682427 A GB1682427 A GB 1682427A GB 297503 A GB297503 A GB 297503A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electric
- sheath
- balls
- rods
- heating
- 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
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
Landscapes
- Crushing And Grinding (AREA)
- Resistance Heating (AREA)
- Furnace Details (AREA)
Abstract
297,503. Rosenhain, W., and Prytherch, W. E. June 24, 1927. Contacting-solid resistances.-Rods, balls &c. of carbon or metal of a high melting-point are enclosed in a refractory sheath to form a heating- resistance, the air space between the rods &c. and the walls of the sheath being not more than a millimetre and preferably about <1>/10 of a millimetre. Fig. 1 shows an arrangement in which rods 2 are enclosed in a sheath 1 between end pieces 3 attached by set-screws 5 to metal caps 4. The heating surfaces are more closely spaced near the ends of the tube than in the middle. The material of the pellets or the cross-section of the sheaths may vary along the sheath. Two concentric sheaths may be provided enclosing between them rings or balls, there being only one layer of balls between the two sheaths as shown in Fig. 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1682427A GB297503A (en) | 1927-06-24 | 1927-06-24 | Improvements relating to electric heating devices for use in electric furnaces, domestic heating appliances and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1682427A GB297503A (en) | 1927-06-24 | 1927-06-24 | Improvements relating to electric heating devices for use in electric furnaces, domestic heating appliances and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB297503A true GB297503A (en) | 1928-09-24 |
Family
ID=10084341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1682427A Expired GB297503A (en) | 1927-06-24 | 1927-06-24 | Improvements relating to electric heating devices for use in electric furnaces, domestic heating appliances and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB297503A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2292395A1 (en) * | 1974-11-20 | 1976-06-18 | Matsushita Electric Ind Co Ltd | THERMOSTATIC SEALED HEAT GENERATOR |
-
1927
- 1927-06-24 GB GB1682427A patent/GB297503A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2292395A1 (en) * | 1974-11-20 | 1976-06-18 | Matsushita Electric Ind Co Ltd | THERMOSTATIC SEALED HEAT GENERATOR |
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