SE521744C2 - Device for stabilizing a multi-legged resistance element - Google Patents
Device for stabilizing a multi-legged resistance elementInfo
- Publication number
- SE521744C2 SE521744C2 SE0201382A SE0201382A SE521744C2 SE 521744 C2 SE521744 C2 SE 521744C2 SE 0201382 A SE0201382 A SE 0201382A SE 0201382 A SE0201382 A SE 0201382A SE 521744 C2 SE521744 C2 SE 521744C2
- Authority
- SE
- Sweden
- Prior art keywords
- spacer
- portions
- stabilizing
- resistance element
- bent
- Prior art date
Links
- 230000000087 stabilizing effect Effects 0.000 title claims description 4
- 125000006850 spacer group Chemical group 0.000 claims abstract description 22
- 239000011449 brick Substances 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229910052593 corundum Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 229910052750 molybdenum Inorganic materials 0.000 claims 1
- 239000011733 molybdenum Substances 0.000 claims 1
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 1
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 abstract description 4
- 229910021344 molybdenum silicide Inorganic materials 0.000 abstract description 4
- 230000003019 stabilising effect Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- H05B3/62—Heating elements specially adapted for furnaces
- H05B3/66—Supports or mountings for heaters on or in the wall or roof
-
- 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
- H05B3/62—Heating elements specially adapted for furnaces
- H05B3/64—Heating elements specially adapted for furnaces using ribbon, rod, or wire heater
-
- 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
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/018—Heaters using heating elements comprising mosi2
Landscapes
- Adjustable Resistors (AREA)
- Resistance Heating (AREA)
- Furnace Details (AREA)
Abstract
Description
75 20 25 30 521 744 Nämnda övre bockade parti eller partier förankras med en krok i uttagsgenomföringen och hålls således på plats. Emellertid hänger de nedre bockade partierna fritt. När plasticiteten ökar, ökar risken för att elementets skänklar i elementets nedre delar dras mot varandra på grund av magnetfält alstrade vilket leder till av elementet. Därvid kortslutes elementet, att elementet måste bytas ut. 75 20 25 30 521 744 Said upper bent portion or portions are anchored with a hook in the outlet bushing and are thus held in place. However, the lower bent portions hang freely. As the plasticity increases, the risk increases that the legs of the element in the lower parts of the element are pulled towards each other due to magnetic fields generated, which leads to the element. In this case, the element is short-circuited, that the element must be replaced.
Föreliggande uppfinning löser detta problem.The present invention solves this problem.
Föreliggande uppfinning hänför sig således till en anordning för stabilisering av ett vertikalt monterat flerskänkligt elektriskt motståndselement av molybdensilicidtyp eller mot- innefattande åt- svarande, vilket element är stàngformat och minstone två nedre bockade partier, vilka i elementets driftsläge hänger fritt. Uppfinningen utmärkes av, att ett distansorgan förefinns vilket uppbäres av de bockade nedre partierna och av att distansorganet innefattar partier som fysiskt distanserar varje par av närliggande bockade partier och av, att distansorganet är långsträckt och försett med ett spår för varje nedre bockat parti hos elementet och av att distansorganet vilar med respektive spår mot respektive bock- at parti.The present invention thus relates to a device for stabilizing a vertically mounted multi-legged electrical resistance element of the molybdenum silicide type or corresponding equivalent, which element is rod-shaped and at least two lower bent portions, which in the operating position of the element hang freely. The invention is characterized in that a spacer is present which is supported by the bent lower portions and in that the spacer comprises portions physically spacing each pair of adjacent bent portions and in that the spacer is elongate and provided with a groove for each lower bent portion of the element and of the spacer resting with the respective grooves against the respective bent portion.
Nedan beskrives uppfinningen närmare, delvis i samband med ett på bifogade ritning visat utföringsexempel av uppfinning- en, där - figur 1 visar ett element försett med en anordning enligt uppfinningen - figur 2 visar endast nämnda anordning.The invention is described in more detail below, partly in connection with an exemplary embodiment of the invention shown in the accompanying drawing, in which - figure 1 shows an element provided with a device according to the invention - figure 2 shows only said device.
I figur l visas en anordning för stabilisering av ett verti- kalt monterat flerskänkligt elektriskt motståndselement l av K:ipatent\020076se\Slutföreläggandebeordr 03-O8-07_doc 70 75 20 25 30 521 744 molybdensilicidtyp eller motsvarande innefattande åtminstone två nedre bockade partier 2, 3. I figur 1 visas ett sexskänk- ligt element, 3, 4. följaktligen med tre nedre bockade partier 2, Elementets 1 tilledare 5, 6 löper genom en uttagsgenomföring 7. Elementets övre bockade partier 8, 9 är förankrade med en respektive krok 10, 11 i uttagsgenomföringen 7 och hålls så- ledes på plats. Krokarna 10, 11 är fästade vid uttagsgenomfö- ringens 7 övre yta med hållare 12.Figure 1 shows a device for stabilizing a vertically mounted multi-legged electrical resistance element 1 of the type molybdenum silicide type or the like comprising at least two lower bent portions 2, 3. Figure 1 shows a hexagonal element, 3, 4. consequently with three lower bent portions 2, the conductor 5, 6 of the element 1 runs through a socket lead-through 7. The upper bent portions 8, 9 of the element are anchored with a respective hook 10, 11 in the socket bushing 7 and is thus held in place. The hooks 10, 11 are attached to the upper surface of the socket lead-through 7 with holders 12.
Uttagsgenomföringen är utförd i ett högeldfast tegel.The outlet bushing is made of a high-strength brick.
Enligt uppfinningen förefinns ett distansorgan 13, vilket uppbäres av åtminstone två av de bockade nedre partierna 2, 3, 4 av elementet 1. Vidare innefattar distansorganet 13 par- tier 14, 15 som fysiskt distanserar varje par av närliggande bockade partier 2, 3, 4.According to the invention there is provided a spacer 13, which is supported by at least two of the bent lower portions 2, 3, 4 of the element 1. Furthermore, the spacer 13 comprises portions 14, 15 which physically distance each pair of adjacent bent portions 2, 3, 4 .
Enligt en föredragen utföringsform är distansorganet lång- sträckt och försett med ett spår 16, 17, 18 eller en anvis- ning för varje nedre bockat parti 2, 3, 4 hos elementet 1.According to a preferred embodiment, the spacer means is elongate and provided with a groove 16, 17, 18 or an instruction for each lower bent portion 2, 3, 4 of the element 1.
Distansorganet 13 är anordnat att vila med respektive spår 16, 17, 18 mot respektive bockat parti 2, 3, 4.The spacer 13 is arranged to rest with respective grooves 16, 17, 18 against the respective bent portion 2, 3, 4.
Det är föredraget att utföra distansorganet i ett högeldfast tegel. Särskilt föredraget är det att utföra distansorganet i ett tegel av typen Al;O3när elementet är av molybdensilicid.It is preferred to make the spacer in a high refractory brick. It is especially preferred to make the spacer in a brick of the type A1; O3 when the element is of molybdenum silicide.
Distansorganet behöver inte fästas i de nedre bockade parti- erna utan vilar mot dessa med sin tyngd. Distansorganets tyngd måste understiga den vid vilken aktuell elementtyp an- K;\patent\020076se\Slutförelägga.nde.beordr 03-08-074100 10 75 521 744 nars skulle förlängas när det upphettas till driftstempera~ tur.The spacer does not have to be attached to the lower bent portions but rests against them with its weight. The weight of the spacer must be less than that at which the current element type would be extended when heated to the operating temperature.
Det är således uppenbart att distansorganet löser det inled- ningsvis nämnda problemet och håller de fria nedre partierna hos elementet på plats sinsemellan så att kortslutning inte uppträder.It is thus obvious that the spacer means solves the problem mentioned in the introduction and keeps the free lower parts of the element in place among themselves so that a short circuit does not occur.
Det är uppenbart för fackmannen att distansorganet kan ges en annan detaljutformning än den i figurerna visade. Exempelvis kan spåren eller anvisningar utföras på annat sätt så länge som de förhindrar en förskjutning av närbelägna nedre bockade partier av elementet i riktning mot varandra.It is obvious to the person skilled in the art that the spacer can be given a different detailed design than that shown in the figures. For example, the grooves or instructions may be performed in other ways as long as they prevent a displacement of adjacent lower bent portions of the element in the direction of each other.
Föreliggande uppfinning skall således inte anses begränsad till de ovan angivna utföringsformerna, utan kan varieras inom dess av bifogade patentkrav angivna ram.Thus, the present invention is not to be construed as limited to the above embodiments, but may be varied within the scope of the appended claims.
K:\patent\020076se\Slutföreläggandebeordr 03-08-071100K: \ patent \ 020076en \ Slutföreläggandebeordr 03-08-071100
Claims (3)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0201382A SE521744C2 (en) | 2002-05-07 | 2002-05-07 | Device for stabilizing a multi-legged resistance element |
| PCT/SE2003/000697 WO2003096750A1 (en) | 2002-05-07 | 2003-04-29 | Device for stabilizing a multi-legged resistor element |
| AU2003224583A AU2003224583A1 (en) | 2002-05-07 | 2003-04-29 | Device for stabilizing a multi-legged resistor element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0201382A SE521744C2 (en) | 2002-05-07 | 2002-05-07 | Device for stabilizing a multi-legged resistance element |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0201382D0 SE0201382D0 (en) | 2002-05-07 |
| SE0201382L SE0201382L (en) | 2003-11-08 |
| SE521744C2 true SE521744C2 (en) | 2003-12-02 |
Family
ID=20287795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0201382A SE521744C2 (en) | 2002-05-07 | 2002-05-07 | Device for stabilizing a multi-legged resistance element |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2003224583A1 (en) |
| SE (1) | SE521744C2 (en) |
| WO (1) | WO2003096750A1 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1645293A (en) * | 1921-06-25 | 1927-10-11 | Westinghouse Electric & Mfg Co | Electric furnace resistor |
| SE8202145L (en) * | 1982-04-02 | 1983-10-03 | Bulten Kanthal Ab | OVEN RESISTANCE MOUNTING DEVICE |
-
2002
- 2002-05-07 SE SE0201382A patent/SE521744C2/en not_active IP Right Cessation
-
2003
- 2003-04-29 WO PCT/SE2003/000697 patent/WO2003096750A1/en not_active Ceased
- 2003-04-29 AU AU2003224583A patent/AU2003224583A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003224583A1 (en) | 2003-11-11 |
| SE0201382L (en) | 2003-11-08 |
| SE0201382D0 (en) | 2002-05-07 |
| WO2003096750A1 (en) | 2003-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |