EP2203027B1 - Cartouche de chauffage - Google Patents
Cartouche de chauffage Download PDFInfo
- Publication number
- EP2203027B1 EP2203027B1 EP09013783.7A EP09013783A EP2203027B1 EP 2203027 B1 EP2203027 B1 EP 2203027B1 EP 09013783 A EP09013783 A EP 09013783A EP 2203027 B1 EP2203027 B1 EP 2203027B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- heating wire
- insulating material
- heating
- metal jacket
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims description 46
- 239000002184 metal Substances 0.000 claims description 64
- 229910052751 metal Inorganic materials 0.000 claims description 64
- 125000006850 spacer group Chemical group 0.000 claims description 26
- 239000011810 insulating material Substances 0.000 claims description 25
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000008187 granular material Substances 0.000 description 8
- 210000002105 tongue Anatomy 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000006004 Quartz sand Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 208000000260 Warts Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 201000010153 skin papilloma Diseases 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
Definitions
- the invention relates to a heating cartridge with at least one heating wire coil having at least two preferably coreless spiral strands which extend along the two sides of a matched in its width to the inner diameter of a metal shell support wall of insulating material and embedded in the metal shell in a granulated insulating material, wherein the Schudrahtenden are each provided with protruding from the same end of the metal shell terminals, and wherein the Schudraht mindfulln in the region of the connection remote, closed end of the metal shell facing end edge of the support wall are electrically connected together, and where necessary along the length of the Walkerdrahtchtl at the longitudinal edges of the support wall distributed spacers are arranged of insulating material, which keep the coil strands insulating from the metal shell.
- connection remote ends of the two Schudraht mindfulln as shown DE 20 2005 011 686 U1 known, be interconnected by a helical portion which is guided around a lower deflection edge of the insulating material.
- the Isolierstoffwand only serves to keep the two helical strands mutually at a distance and thus to isolate electrically against each other.
- special, bow-shaped spacers are provided, which are arranged on both sides of the insulating material in more or less large distances and attached to the edges of the insulating wall self-holding.
- the lying in the region of this open end of the metal sheath Schudrahtenden, or the verbundnenen with these Schudrahtenden connection connector must be held by means of auxiliary equipment so that they do not disturb the filling and not get into the metal shell on the one hand. Only after the filling of the granules, the metal shell can be closed by means of a plug, which also has to take the connection connector. This working method is very time consuming and therefore costly.
- a compacted heating element of the generic type is also made DE 70 31 974 U known.
- this Schupatrone two or more Schuleiterhausln (in the publication called “Heizleiterspiralen” called) with different wire thicknesses and different coil diameters concentrically exposed to each other housed in a cylindrical cartridge housing having at one end a solid frontal bottom and the other end by a metal disc with wart-shaped Drilling is closed.
- connection bolts provided with Isoliermänteln strands are connected within the cartridge housing to the Schudrahtenden. These strands are guided with their Isoliermänteln through the metal plate inside, so that there is an insulation between the metal plate and the conductor wires of the strands.
- Means which isolate the coaxial helical strands against each other and against the metal cartridge housing are not provided. Even with this heating cartridge filling the Isoliergranulats is cumbersome and expensive.
- the invention has for its object to provide a heating cartridge of the type mentioned, which is inexpensive to produce with minimal labor and material costs and offers the opportunity to accommodate in the region of the closed end portion of the metal shell safety switching elements against thermal overload.
- a dimensionally stable support wall is provided with a mounted coil holder to which the Schudrahtenden are mounted under a holding the turns of Bankdrahtplanetaryl at a distance holding tension and which is provided with at least one filling opening for the granulated insulating material or its contour with the metal shell such Filling opening forms and that also at the lower, ie connection remote end of the support wall, a coil holder is arranged, which holds tensile strength connected to the ends of the coil strands connecting connector to tension, through which they are connected to an overload protection.
- the connecting coil portion may consist of a short wire section or comprise one or more turns.
- a deflection edge a peripheral edge of a recess in the support wall, which from the ground the metal sheath has a certain distance, so that the guided around this deflecting helix section with the ground can not come into contact.
- the fillings consisting of MgO granulate or quartz sand are compacted by radial compression of the metal shell.
- the embodiment according to claim 4 also shows a very advantageous possibility of accommodating safety switching elements against thermal overloading in the region of the closed end section of the metal jacket.
- each pairwise interconnected Walkerdrahtheirl may be assigned to different heating circuits on the two flat sides of the support wall.
- heating cartridges 1 or, 1/1 each have a cylindrical metal shell 2, which is provided with a solid bottom 3 and the upper open end, as in Fig. 1 , can be closed by a shutter disk 4.
- the metal shell 2 is preferably made of copper or stainless steel.
- the closure disk 4 consists of an insulating material and is provided with through-holes for two connecting wires 5 and 6. At this provided with Isoliermänteln connection strands 5, 6, the Schudrahtenden 9 and 10 of a two spiral strands 11 and 12 existing Schudrahtplanetaryl 13 are connected electrically contacting and mechanically zugfest each with the help of terminal connectors 7 and 8.
- the two spiral strands 11 and 12 extend along the two flat sides of a centrally arranged in the metal shell 2 support wall 14, which serves as a support for the two spiral strands 11, 12 of the heating wire coil 13.
- the width d of the support wall 14 is matched to the inner diameter dl of the metal shell 2, that the support wall is easily inserted into the metal shell, but is so stably guided in the metal shell 2, that it occupies a central position therein.
- the support wall 14 consists of a dimensionally stable insulating material, for. As micanite, so that it can be produced in long lengths of up to 200 cm or more and with small widths d of only a few mm.
- the Schudrahtenden 9, 10 are connected to the terminal connectors 7 and 8 and through this with the connecting leads 5, 6. It is important that the connection connectors 7, 8 are able to absorb the tensile stress of the helical strands 11, 12.
- This tensile connection can be made in different ways, for example by soldering, welding, clamping, crimping or bending.
- connection connectors 7, 8 connected in this way to the heating wire ends in a simple manner to generate or maintain the tensile stress
- this is provided with axial passage openings 16, 17 for the heating wire ends 9, 10 and with support surfaces 18, 19.
- These support surfaces 18, 19 are in the in the Fig. 5, 6 and 8 and 10 illustrated helical holders 15 are each formed by the edge surfaces of the passage openings 16, 17, in that the connection connectors 7, 8 each have a larger diameter than the passage openings 16, 17.
- the passage openings 16, 17 each provided with edge-open slots 20, 21 or, as Fig. 10 shows, designed as such.
- the slots 20, 21 each have a width b (FIG. Fig. 10 ), which is smaller than the diameter of the terminal connector.
- Fig. 8 can be seen, there is also the possibility in principle, the passage openings 16, 17 form as axially extending bores.
- passage openings 16 ', 17' which are formed stepwise with different diameters, so that, as in Fig. 9a is shown, as a support surface, an annular shoulder 18 'is formed, on which a connection connector 7, 8 is seated and at the same time guided centered by the surrounding him bore wall 19' in its functional position.
- the helix holder 15 In order for the helical holder 15 to receive a reliably firm seat at the end of the support wall 14, the helix holder 15 is provided with a preferably continuous receiving slot 22 for an axially projecting centering tongue 23 of the support wall 14. Since the receiving slot 22 and the centering tongue 23 are narrower than the support wall 14, the coil holder 15 sits on the two lateral shoulders 24, 25 of the support wall 14.
- bow-shaped spacers 45 of insulating material for example of ceramic bodies, provided which are distributed over the length of the support wall 14 at appropriate intervals from each other.
- These spacers 45 each have a U-shaped recess 46, through which a spiral strand 11 or 12 is guided in order not to come into contact with the metal shell 2.
- spacers are each provided with lateral clamping fingers 47 and 48 which engage positively in notches 49 of the support wall 14.
- the end of the support wall 14 remote from the connection can either also be provided with a centering tongue 23 or only with a deflection edge 26 about which a connecting section 27 of the two spiral strands 11 and 12 is guided.
- This deflection edge can be at a distance from the bottom 3, for example from the edge of a bore 28 (FIG. Fig. 2 ) or formed by a boundary edge 29 of a U-shaped or rectangular cutout 30.
- a coil holder 15 is arranged, which holds the tensile strength connected to the ends 31, 32 of the two spiral strands 11 and 12 connected terminal connector 33, 34.
- the two helical strands 11 and 12 are connected to electrically connected in series, thermal safety switches 35, 36, which may be formed as a fuse, bimetallic switch or the like.
- a spacer wall 37 aligned with the support wall 14 is arranged in this region.
- This spacer wall 37 is supported on the one hand on the bottom 3 and on the other hand with two shoulders 38, 39 on the coil holder 15, wherein a centering tongue 23 'in the slot 22 of the coil holder 15 protrudes.
- the lower end of the spacer wall 37 is provided with a recess 41.
- 36 can be dispensed with the spacer wall.
- the preassembled module consisting of the support wall 14, the coil holders 15, the attached coil strands 11, 12, the terminal connectors 7.8 and 33, 34, the connecting wires 5, 6 and the spacer wall 37 with the safety switches 35, 36 is in pushed the unilaterally open metal shell 2 until the spacer wall 37 rests on the bottom 3.
- the coil holder 15 are provided on the circumference with a plurality of filling openings 42, which expediently consist of open-edged recesses, like the Fig. 5 . 8 and 10 reveal.
- the cross-sectional shape of these recesses can be selected largely arbitrary, provided that the stability and tensile strength of the coil holder 15 to be maintained is taken into account.
- the metal shell 2 extends beyond the upper, connection-side coil holder 15 addition.
- the thus formed cavity 43 is also filled with the used Isolierstoffgranulat and closed by means of the shutter disk 4.
- FIGS. 13 and 14 a heating cartridge 1/1 known from the prior art is shown in different views, in which two spiral strands 11/1, 11/2 and 12/1 and 12/2 are arranged on both flat sides of a support wall 14/1, the each form a contiguous Bankdrahtheirl 13/1 and 13/2.
- the support wall 14/1 is provided both at its upper, connection-side end and at the other end in each case with an attached coil holder 15/1, to which the helical strands 11/1 to 12/2 are fastened with exploded turns under tension.
- the coil holders 15/1 used here are provided with four axial bores arranged in pairs symmetrically with respect to the support wall 14/1 16 'is provided, whose end-side edge surfaces form the bearing surfaces 18' for the connection connectors 7, 7 ', 8 and 8'.
- the individual coil strands 11/1 to 12/2 tensile strength with the connecting leads 5, 5 'and 6, 6' are connected.
- each of a pair of heating wire coil 13/1 and 13/2 forming coil strands 11/1 and 12/1 or 11/2 and 12/2 are each connected by Thompsondrahtabitese 26, 26 'to each other, each between two holes 16 'are guided around the lower end face of the lower coil holder 15.
- the coil holder 15/1 In contrast to the spiral holder 15 of Fig. 5 is the coil holder 15/1 with two diametrically aligned opposite receiving slots 22 'provided to accommodate the two separated by a frontal recess 51 guide tongues 23' of the support wall and the coil holder 15/1 when placing a stable fit.
- the previously on the terminal connectors 7, 7 ', 8, 8' tensile strength fixed ends 9 ', 10' of the individual coil strands 11/1 to 12/2 can be easily inserted into the bores 16 ', these holes 16' are each with provided at the edge open slots 20 '.
- spacers 45/1 may be provided with two cutouts 46/1, which keep the 11/1 to 12/2 stretched along the support wall 14/1 coil strands insulating away from the metal shell.
- this assembly can just as easily and quickly in the designated metal shell 2 are inserted. So that then the granulated insulating material 50, in which the Schwarzdrahtheirln 13/1 and 13/2 are embedded, can be filled easily and as quickly as possible in the metal shell 2, and the coil holder 15/1 are provided with edge-open recesses 42 '.
- a coil holder 15/2 is shown, which has a smaller outer diameter with the same large inner diameter of the metal shell 2 as the coil holder 15/1.
- an annular gap 42/1 is formed with concentric arrangement between the circumference of the coil holder 15/2 and the metal shell 2 on both sides of the support wall 14/1, which can also be used instead of the recesses 42 'for filling the Isolierstoffgranulats 50.
- connection connector 8 of FIGS. 20 and 20a consists of a preferably slotted sleeve, which encloses the one of the insulating jacket freed end of the pigtail 6 together with the Schwarzdrahtende 10 'with generated by pressing radial stress.
- connection connector 8/1 consists of the thicker end portion 8/1 of a cylindrical connecting bolt 6/1, which is provided for receiving a Schudrahtendes 10 'with a blind bore 52 in which the Schudrahtende 10' can be fastened by compression or otherwise tensile strength ,
- the heating wire coil (s) 13, 13/1) is embedded in the granulated insulating material, for example of polyimide.
Landscapes
- Resistance Heating (AREA)
- General Induction Heating (AREA)
Claims (6)
- Cartouche de chauffage comprenant au moins une hélice de fil électrique chauffant (13) qui comprend au moins deux brins en hélice (11, 12) de préférence sans noyau, qui s'étendent le long de deux côtés d'une paroi support (14) en matériau isolant dont la largeur est adaptée au diamètre interne d'une enveloppe métallique (2) et sont noyés dans l'enveloppe métallique (2) dans un matériau isolant granulé (50), les extrémités du fil chauffant (9, 10) étant respectivement équipées de branchements faisant saillie sur la même extrémité de l'enveloppe métallique (2), les hélices de fil chauffant (11, 12) étant reliées électriquement dans la zone d'un bord d'extrémité de la paroi support (14) tourné vers l'extrémité fermée de l'enveloppe métallique (2) éloignée du branchement, et, en cas de besoin, étant montés sur longueur de l'hélice de fil chauffant, des éléments d'écartement (45) en matériau isolant répartis sur les bords longitudinaux de la paroi support (14) qui maintiennent à distance les brins de l'hélice (11, 12) en étant isolés de l'enveloppe métallique (2),
caractérisée en ce que
au moins l'extrémité située côté branchement d'une paroi support (14) de forme stable est équipée d'un porte-hélice rapporté (15, 15/1) sur lequel sont fixées les extrémités du fil chauffant (9, 10) sous une tension permettant de maintenir les spires de l'hélice de fil chauffant (13) à distance les unes des autres, et qui est muni d'au moins une ouverture de remplissage (42) pour le matériau isolant granulé (50) ou dont le contour forme avec l'enveloppe métallique (2) une telle ouverture de remplissage (42/1), et les extrémités éloignées du branchement (31, 32) des deux brins d'hélice (11, 12) s'étendant sur des côtés opposés d'une paroi support (14) sont fixés au moyen de connecteurs de branchement (33, 34) par lesquels ils sont reliés à un élément de sécurité anti-surcharge (35, 36), en particulier un fusible et/ou un commutateur bi-métallique, à un second porte-hélice (15) qui est rapporté sur le segment d'extrémité opposé au branchement de la paroi support (14). - Cartouche de chauffage conforme à la revendication 1,
caractérisée en ce que
le porte-hélice (15, 15/1) est équipé d'ouvertures de passage (16, 17, 16') des extrémités du fil chauffant (9, 10) fixées aux connecteurs de branchement (7, 8) ainsi que de surfaces d'appui (18, 19) pour les connecteurs de branchement (7, 8). - Cartouche de chauffage conforme à la revendication 1 ou 2,
caractérisée en ce que
les ouvertures de passage (16, 17, 16') du porte-hélice (15, 15/1) sont équipées de fentes (20, 21, 20') ouvertes sur leur bord ou sont uniquement constituées de telles fentes. - Cartouche de chauffage conforme à la revendication 1,
caractérisée en ce que
les éléments d'écartement (45, 45/1) sont constitués de corps céramiques qui viennent en prise à la manière d'un étrier autour des bords longitudinaux de la paroi support (14) et qui entourent respectivement un brin d'hélice (11, 12). - Cartouche de chauffage conforme à l'une des revendications 1 à 4,
caractérisée en ce que
sur la surface interne de l'enveloppe métallique (2), est appliqué un film isolant en une seule couche ou en plusieurs couches à l'intérieur duquel la ou les hélice(s) de fil chauffant (13, 13/1) est ou sont noyée(s) dans le matériau isolant granuleux (50). - Cartouche de chauffage conforme à la revendication 5,
caractérisée en ce que
le film isolant est réalisé en polyimide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008016439U DE202008016439U1 (de) | 2008-12-11 | 2008-12-11 | Heizpatrone |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2203027A1 EP2203027A1 (fr) | 2010-06-30 |
EP2203027B1 true EP2203027B1 (fr) | 2016-04-13 |
Family
ID=40435985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09013783.7A Active EP2203027B1 (fr) | 2008-12-11 | 2009-11-03 | Cartouche de chauffage |
Country Status (4)
Country | Link |
---|---|
US (1) | US8426779B2 (fr) |
EP (1) | EP2203027B1 (fr) |
CA (1) | CA2687774C (fr) |
DE (1) | DE202008016439U1 (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009040809A1 (de) | 2009-09-10 | 2011-03-24 | Türk & Hillinger GmbH | Elektrische Heizvorrichtung und Verfahren zur Herstellung einer elektrischen Heizvorrichtung |
US8395094B2 (en) * | 2010-02-03 | 2013-03-12 | Eastman Kodak Company | Structure for conducting heat from cartridge heaters |
US20120085749A1 (en) * | 2010-10-06 | 2012-04-12 | Nexthermal Corporation | Cartridge heater with an alloy case |
ITAN20100217A1 (it) * | 2010-12-29 | 2012-06-30 | Thermowatt Spa | Elemento riscaldante elettrico a doppio isolamento. |
US20120217233A1 (en) * | 2011-02-28 | 2012-08-30 | Tom Richards, Inc. | Ptc controlled environment heater |
DE102011057017A1 (de) | 2011-12-23 | 2013-06-27 | Dbk David + Baader Gmbh | Heizbaugruppe und Verfahren zum Herstellen einer Heizbaugruppe |
US10222091B2 (en) | 2012-07-17 | 2019-03-05 | Eemax, Inc. | Next generation modular heating system |
US9140466B2 (en) | 2012-07-17 | 2015-09-22 | Eemax, Inc. | Fluid heating system and instant fluid heating device |
DE102012109312A1 (de) | 2012-10-01 | 2014-04-03 | Endress + Hauser Flowtec Ag | Temperatursensor und Durchflussmessgerät |
US9234674B2 (en) * | 2012-12-21 | 2016-01-12 | Eemax, Inc. | Next generation bare wire water heater |
US10264629B2 (en) * | 2013-05-30 | 2019-04-16 | Osram Sylvania Inc. | Infrared heat lamp assembly |
DE102013212205B4 (de) * | 2013-06-26 | 2024-02-08 | Türk & Hillinger GmbH | Verfahren zur Herstellung einer elektrischen Heizpatrone |
PL3078241T3 (pl) * | 2013-12-02 | 2020-05-18 | János KOÓS-VARJU | Element grzejny zasilany prądem przemiennym i generator ciepła realizowany przez ten element grzejny |
WO2015186872A1 (fr) * | 2014-06-02 | 2015-12-10 | 우진공업주식회사 | Dispositif de chauffage pour thermostat électronique et son procédé de fabrication |
US10765597B2 (en) * | 2014-08-23 | 2020-09-08 | High Tech Health International, Inc. | Sauna heating apparatus and methods |
AU2015364502B2 (en) | 2014-12-17 | 2017-12-14 | Rheem Manufacturing Company | Tankless electric water heater |
DE202017103387U1 (de) * | 2017-06-06 | 2017-07-13 | Türk & Hillinger GmbH | Innenaufbau für eine elektrische Heizvorrichtungung mit zumindest abschnittsweise frei gewendeltem Heizelement und elektrische Heizvorrichtung |
DE102017112328B4 (de) | 2017-06-06 | 2022-08-11 | Türk & Hillinger GmbH | Elektrische Heizvorrichtung |
US10675664B2 (en) | 2018-01-19 | 2020-06-09 | Trs Group, Inc. | PFAS remediation method and system |
US10201042B1 (en) * | 2018-01-19 | 2019-02-05 | Trs Group, Inc. | Flexible helical heater |
EP3568310A1 (fr) * | 2018-01-19 | 2019-11-20 | Trs Group, Inc. | Dispositif de chauffage hélicoïdal flexible |
DE102018109306A1 (de) | 2018-04-19 | 2019-10-24 | Türk & Hillinger GmbH | Verfahren zur Herstellung einer elektrischen Heizvorrichtung |
DE102019111920B4 (de) * | 2019-05-08 | 2021-02-04 | Türk & Hillinger GmbH | Verfahren zur Herstellung einer elektrischen Heizvorrichtung |
US11979950B2 (en) * | 2020-02-18 | 2024-05-07 | Trs Group, Inc. | Heater for contaminant remediation |
DE202020101182U1 (de) * | 2020-03-04 | 2020-03-12 | Türk & Hillinger GmbH | Elektrische Heizvorrichtung |
US11642709B1 (en) | 2021-03-04 | 2023-05-09 | Trs Group, Inc. | Optimized flux ERH electrode |
US20230225015A1 (en) * | 2022-01-10 | 2023-07-13 | Chromalox, Inc. | Heating element unit |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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GB937347A (en) | 1961-06-28 | 1963-09-18 | British Insulated Callenders | Improvements in the manufacture of electric cables and in apparatus therefor |
US3512114A (en) * | 1968-01-29 | 1970-05-12 | Wiegand Co Edwin L | Electric resistance heater |
DE7031974U (de) | 1970-08-27 | 1973-01-11 | Heinz Stegmeier | Verdichtete heizpatrone. |
US3977073A (en) * | 1975-08-11 | 1976-08-31 | Emerson Electric Co. | Method of making electric immersion heaters |
DE8406445U1 (de) | 1984-03-01 | 1984-05-30 | Elpag Ag Chur, Chur | Rohrheizkoerper |
DE8800261U1 (de) * | 1988-01-12 | 1988-02-25 | Elpag Ag Chur, Chur | Rohrheizkörperendenabschluß |
DE9410403U1 (de) * | 1994-06-28 | 1994-08-11 | Conti Elektra Heizelemente GmbH, 63628 Bad Soden-Salmünster | Elektrischer Rohrheizkörper |
FR2734686B1 (fr) * | 1995-05-22 | 1997-07-25 | Etirex Chromalox | Procede de fabrication d'une cartouche chauffante a instrumentation incorporee |
FR2737381B1 (fr) * | 1995-07-26 | 1997-08-29 | Seb Sa | Element chauffant et procede de bouchage dudit element chauffant |
DE19716010C1 (de) | 1997-04-17 | 1998-10-29 | Tuerk & Hillinger Gmbh | Elektrischer Mantelrohrheizkörper mit integriertem Temperaturfühler |
DE20010963U1 (de) | 2000-06-20 | 2000-09-21 | Tuerk & Hillinger Gmbh | Elektrische Heizpatrone mit einem temperaturabhängigen Leistungsbegrenzer |
US6909843B1 (en) * | 2004-02-24 | 2005-06-21 | Eemax Incorporated | Electric tankless water heater |
DE202005011686U1 (de) | 2005-07-26 | 2005-10-06 | Türk & Hillinger GmbH | Verdichtete Heizpatrone |
DE102006005322B4 (de) | 2006-02-06 | 2010-04-29 | Bleckmann Gmbh & Co. Kg | Rohrheizkörper mit Isoliermasse im Anschlussendenbereich |
-
2008
- 2008-12-11 DE DE202008016439U patent/DE202008016439U1/de not_active Expired - Lifetime
-
2009
- 2009-11-03 EP EP09013783.7A patent/EP2203027B1/fr active Active
- 2009-12-09 CA CA2687774A patent/CA2687774C/fr active Active
- 2009-12-09 US US12/634,045 patent/US8426779B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2203027A1 (fr) | 2010-06-30 |
CA2687774C (fr) | 2015-11-24 |
US20100147826A1 (en) | 2010-06-17 |
US8426779B2 (en) | 2013-04-23 |
CA2687774A1 (fr) | 2010-06-11 |
DE202008016439U1 (de) | 2009-03-12 |
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