EP1293597A2 - Elément chauffant plat pour le chauffage direct d'un milieu - Google Patents

Elément chauffant plat pour le chauffage direct d'un milieu Download PDF

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Publication number
EP1293597A2
EP1293597A2 EP02020582A EP02020582A EP1293597A2 EP 1293597 A2 EP1293597 A2 EP 1293597A2 EP 02020582 A EP02020582 A EP 02020582A EP 02020582 A EP02020582 A EP 02020582A EP 1293597 A2 EP1293597 A2 EP 1293597A2
Authority
EP
European Patent Office
Prior art keywords
heating device
surface element
medium
resistance heating
heating element
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.)
Granted
Application number
EP02020582A
Other languages
German (de)
English (en)
Other versions
EP1293597B1 (fr
EP1293597A3 (fr
Inventor
Uwe Neumann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bleckmann GmbH and Co KG
Original Assignee
Bleckmann GmbH
Bleckmann GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bleckmann GmbH, Bleckmann GmbH and Co KG filed Critical Bleckmann GmbH
Publication of EP1293597A2 publication Critical patent/EP1293597A2/fr
Publication of EP1293597A3 publication Critical patent/EP1293597A3/fr
Application granted granted Critical
Publication of EP1293597B1 publication Critical patent/EP1293597B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4285—Water-heater arrangements
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/283—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material the insulating material being an inorganic material, e.g. ceramic

Definitions

  • the invention relates to a heating device according to the preamble of claim 1.
  • a laundry washing machine is known from EP 0 204 984 A2, in which a tubular heater is arranged in the lower region of the tub, which also with at least a thermostat for controlling the temperature.
  • this heater with a relatively large diameter jacket pipe is a not insignificant minimum level for the wash water necessary so that the tubular heater is completely surrounded by water and burns out is prevented.
  • Such a high minimum level runs the one mentioned above Contrary to demand for energy saving.
  • the tubular heater arranged therein provides a significant obstacle to flow, on which such fibers prefer to settle.
  • a laundry washing machine is also known from DE 197 49 958 A1, in which the Disadvantages mentioned with regard to the attachment of fibers by integrating a tubular heater should be avoided in one housing.
  • this requires additional Manufacturing steps and additional material and thus leads to higher manufacturing costs.
  • Moreover can be proportionate by using a tubular heater with a large diameter jacket pipe a reduction in the wash water required and thus a reduction in the amount of heat required for heating is not achieved become.
  • Compared to the use of the pure tubular radiator is even due the larger volume of the arrangement due to the additional housing more water needed.
  • a laundry washing machine is known from DE 18 23 414 U1, in which on the inside or surface radiators are arranged on the outside of the tub shell.
  • Both alternatives result in the disadvantage of poor heat utilization, because only one half-space of the heating elements acts in the direction of the wash water to be heated.
  • the heater is firmly integrated into the outer shell of the tub the disadvantage that replacement is no longer possible in the event of a repair.
  • a combination of this type between the heating device and suds container leaves the cost aspect do not seem to make sense.
  • US 5,155,800 A1 is a heating device for use in corrosive environments and a manufacturing method therefor discloses.
  • This essentially becomes a plate heating element arranged on an insulated carrier plate and the entire arrangement is made with enclosed a plastic sleeve made of a fluoropolymer to hold the electrical elements the heater in front of the corrosive environment, in the case of US 5,155,800 A1 Acid bath to protect.
  • a plastic sleeve made of a fluoropolymer to hold the electrical elements the heater in front of the corrosive environment, in the case of US 5,155,800 A1 Acid bath to protect.
  • the electrical connections of the heating element with connecting wires led outside on one side of the heater. This is a not insignificant one Weak spot.
  • the connecting wires can be exposed inside due to mechanical operating loads abort.
  • US 3,974,360 discloses an integrated electric heater in which Platinum film heating elements glued on under a ceramic plate and by means of a layer of lead titanate are covered. However, this heating element is not for use on both sides liquid or gaseous media provided.
  • the invention is based on the object of producing an inexpensive heating device of the type mentioned so that the simple structural design of the Heating device allows heating of the medium with high efficiency.
  • the heating device according to the invention has a flat outer contour for heating of a liquid or gaseous medium in order to be as large as possible to be in contact with the medium.
  • the one according to the invention is preferably and particularly advantageously Heater almost completely with its outer surface with the one to be heated Medium in direct contact. This results in a high heat emission to the medium achieved and the efficiency of the heating device improved.
  • the heater has one Surface element and at least one electrical resistance heating element for conversion electrical energy in heat with at least two electrical connections. To one good heat emission from that generated by the at least one resistance heating element To achieve heat via one surface element, it is advantageous if it is a good heat conductor Material is used which, on the other hand, is corrosive to media is stable.
  • the surface element can be made of sheet metal, preferably stainless steel or aluminum, but also consist of a suitable electrically insulating material.
  • the at least one resistance heating element is electrically insulated on this surface element applied.
  • the electrical resistance heating element expands in its Geometry essentially in one plane and is at least on one side of the surface element electrically insulated and applied tightly to the medium.
  • the electrical insulation of the resistance heating element on the surface element facing side consists of an applied insulation layer.
  • This insulation layer can extend over the entire side of the surface element on which the resistance heating element is appropriate.
  • the surface element itself can consist of one electrically insulating material, such as ceramic, and thus can additional insulation of the at least one resistance heating element is eliminated, as a result in turn, manufacturing material and manufacturing time can be reduced.
  • the resistance heating element is on the Side facing away from the surface element with an applied electrically insulating protective layer sealed medium-tight.
  • the protective layer can be on the Side of the surface element, on which a resistance heating element is applied, completely be applied, but it can also be only in this way on the resistance heating element be limited that this is completely sealed against the medium.
  • the heat transfer resistance to the medium to be heated secondly it also increases the surface area in contact with the one to be heated Medium stands, which in turn favors the heat emission. Finally material is saved, the total weight is reduced and the heat capacity of the Heater lowered.
  • the protective or Insulation layer between the electrical heating element and the medium to be heated is arranged, thermal conductivities in the range of 1 to 50 W / mK achieved. It is noted that the insulation or protective layer of course also from several Layers can be composed, each of which functions “electrically isolate” and “seal against the medium to be heated” is fulfilled. Finally, can a final finishing layer is also provided on the outer surface of the heater which, for example, has non-stick properties. Preferably for this one version uses a Teflon coating.
  • the High voltage resistance is at least 1250VAC for protection class I or 3750VAC for protection class II and with regard to the maximum permissible leakage current Protection class I maximum 0.75mA or with protection class II maximum 0.25mA permitted.
  • detergents do not only contain "detergent substances”: soap, anionic and non-ionic surfactants.
  • the majority of additives are used for water softening (today mostly zeolites), foam regulators, bleach (for heavy-duty detergents) and fillers.
  • In almost all detergents also contain enzymes. Proteases, lipases and amylases help when removing dirt.
  • Cellulases (these cleaved cellulose chains) remove cleaved ones Fibers from the fabric. Therefore, regarding the chemical material properties the insulation material, in particular the electrically insulating protective layer, the electrical heating element both electrically compared to the medium to be heated insulated as well as medium-tight sealing, fulfills the following material properties:
  • PH levels greater than 7 required up to a pH of 10 (slightly alkaline).
  • oxidizing or bleaching agents such as Hydrogen peroxide or chlorine bleaching present.
  • the electrically insulating materials used for the protective layer of the invention Heater also has a high surface hardness or mechanical stability the heater is also resistant to abrasion effects due to e.g. of the zeolites contained in the washing solutions for water softening.
  • At least one temperature detection element having electrical connections inside of the jacket or together with the resistance heating element in the protective layer be arranged.
  • the connections of the temperature detection element are preferably also arranged in the connection area and contactable from the outside.
  • the temperature sensing element can also be used for control and / or thermal monitoring and protection of the resistance heating element. Basically, there is also the possibility the function of monitoring the medium to be heated and that of the thermal Monitoring and protection of the resistance heating element by two or to make several different elements.
  • the temperature detection element can, for example, by applying thermistor pastes, such as. NTC or PTC pastes, which can be realized, for example, by Screen printing technology applied to the surface element in addition to the resistance heating element becomes.
  • thermistor pastes such as. NTC or PTC pastes
  • the temperature detection element in the form of a printed thermocouple.
  • the heating device according to the invention has no outer peripheral contour protruding elements that provide special protection or need special packaging. Since the electrical connections are made of electrically conductive Material according to the invention must be made and are therefore expensive Solution to be able to produce this material-saving.
  • connection recess To make electrical contacting of the at least one resistance heating element in a simple manner and the optionally present at least one temperature element To enable in the connection area of the heating device according to the invention can continue be provided that in the connection area for the electrical connections of the at least a resistance heating element and the optionally present at least a temperature detection element at least one connection recess in the Protective layer is provided.
  • To contact the at least one heating element and the optionally present at least one temperature detection element To ensure safe, it is still an advantage if for each electrical connection of the heating element and the temperature detection element which may be present in each case a connection recess is provided.
  • Has the invention Heater multiple resistance heating elements and / or multiple temperature sensing elements or other control and / or regulating elements, so several connection recesses be provided at different locations on the surface element are provided in the protective layer.
  • the connection recesses in the protective layer can be applied when applying the protective layer, for example in the screen printing process, be released, but also subsequently released again by means of a deduction procedure become.
  • connection recesses in the area of an edge of the Area element preferably on the edge itself or in the middle area of one side be provided.
  • connection recesses in the area of an edge of the Area element preferably on the edge itself or in the middle area of one side be provided.
  • a combination of these two locations is also possible possible.
  • connections of the at least one heating element have one in relation to the rest Part of the resistance heating element has lower electrical resistance, so this will created a "cold zone" in the connection area of the heating device according to the invention, i.e. a zone in which there is almost no heat emission.
  • At least one heating element materials are preferred that have a high electrical Possess resistance value.
  • This can be, for example, heating conductor alloys, like Cr, Al, Fe, CrNiFe, nickel alloys or also resistance pastes like in the Thick film technology usual, act.
  • a ferro-nickel alloy, a nickel-chromium alloy or graphite can be used for this.
  • thermocouples that used as a single element or introduced using screen printing technology can be used.
  • the heating device according to the invention can be used in a wide variety of devices or machines be used. For example, this can be used in laundry washing machines, dishwashers, Use tumble dryers etc.
  • this can be used in laundry washing machines, dishwashers, Use tumble dryers etc.
  • the heating device according to the invention with only a slight distance from one To arrange the wall of a tub.
  • the heating device according to the invention can be used in particular when heating a cleaning medium put in a washing machine. With this washing machine it can is a dishwasher or a laundry machine. As a result of low height of the heating device according to the invention, preferably in one area can be from 1.5 mm to 6 mm, the minimum required level for the Reduce cleaning medium compared to washing machines, the well-known tubular heater use.
  • the tubular heaters used in the prior art have a profile height between 6.5 mm and 8.5 mm. Because the distance to the wall of the washing machine both in the known tubular heaters and in the heating device according to the invention or flat heating device is the same, is achieved by the lower overall height, that the level of the medium can be lower. In this context it should be noted that the minimum level of a cleaning medium is determined by the fact that the heating device must be completely enclosed by the cleaning medium, to prevent the heater from burning out.
  • a further advantageous use of the heating device according to the invention can be achieve by having several such heaters in a spaced but parallel manner Alignment to each other are arranged, with the individual heaters over suitable, preferably releasable connecting elements are connected to one another. hereby a radiator-like overall heating device can be constructed in a modular manner, for example for heating one flowing past the flat jacket sides Air flow can be used.
  • a heating device 10 according to the invention is shown in perspective.
  • the heater 10 has a rectangular shape, in the embodiment shown the ratio between width and length in the range of 1: 1.5 to 1: 8 is.
  • the thickness of the heating device 10 is, as can be seen from FIG. 1, much smaller than their width or length.
  • a heating device according to the invention has one Thickness or height in the range from 1.5 mm to 6 mm.
  • the heating device 10 consists essentially of a thermally conductive, in particular good heat-conducting surface element 22 and an electrically insulated one mounted thereon Resistance heating element 30, which by means of a protective layer 80 against the medium is protected in a medium-tight manner and is electrically insulated.
  • the surface element 22 can be a sheet metal part, preferably stainless steel or aluminum, be, but also a suitable electrically insulating material, such as ceramic or Glass is conceivable.
  • the sides 22e (FIG. 2A) of the resistance heating element facing the Surface element 22 is provided with an electrically insulating layer 28.
  • the insulation layer 28 extends over the entire side 22e. But it is also conceivable that only at the locations to which the resistance material of the heating element 30 is applied, a Insulation layer is applied. Finally, a suitable surface element 22 could also be used electrically insulating material are used and thus the entire insulation layer 28 omitted.
  • the resistance heating element 30 is arranged on the insulation layer 28.
  • the resistance heating element 30 extends essentially only in one plane in a W-shape on the Insulating layer 28.
  • connection elements 32 provided, each having a connecting lug 32b. Show the connection lugs 32b due to their significantly larger surface area a significantly better electrical conductivity than the resistance heating element 30, so that the electrical current generates as little heat as possible at this point. This is where the connection flags are 32b in a "cold zone".
  • This "cold zone” as the connection area 22c the heater 10 extends from line A to the bottom edge 22d of the sheet 22.
  • this bend can Touch line A tangentially.
  • any other suitable one Forming the resistance heating element is conceivable, such as a meandering tour with multiple loops.
  • the resistance heating element 30 is covered with a protective layer 80, which this for one electrically isolated from the medium and the other from possibly protects corrosive medium to be heated.
  • the protective layer 80 can be different Executions are applied as described below in connection with the 3A-3C will be explained.
  • the required physical properties of this protective layer 80 are achieved in one embodiment by using the following materials:
  • the resistance heating element 30 is e.g. by means of a screen printing and baking process coated with a glass or glass ceramic layer and then with Teflon (polytetraflurethylene, PTFE - Teflon) coated.
  • Teflon polytetraflurethylene, PTFE - Teflon
  • This Teflon layer is neither solvent attacked by other aggressive chemicals. Due to the smooth and slippery Surface is advantageously ensured that no foreign substances on the heating device stick, i.e. Bake in operation and so the heat dissipation properties be deteriorated locally.
  • the electrical resistance heating element 30 after covering with a glass or glass ceramic layer covered with a metal layer, i.e. the outer surface of the heater is e.g. metallized by nickel plating.
  • a ceramic coating can also be applied, for example, by means of plasma spraying Basis of aluminum oxide (thermal conductivity 1-5 W / mK) or silicon nitrite (thermal conductivity 20-50 W / mK) and then a coating with Teflon or acid and alkali-resistant glasses can also be applied.
  • the electrical insulation and the sealing of the resistance heating element compared to the medium to be heated also with a single cover layer, which is preferably made of a material.
  • the resistance heating element 30 and the protective layer 80 are suitable in principle for all methods which are used in Applying a material to form the desired structures, in particular these are Screen printing, enamelling and plasma spraying processes.
  • a surface element 22 is made from a suitable sheet metal made for example by punching (Fig. 2A). Then an insulating layer 28 is applied applied to the inner sides 22e of the surface element 22 (FIG. 2B). This is preferably done with screen printing or plasma spray technology. In the next step (Fig. 2C) this will be Resistance heating element 30 on the insulating layer 28 again with screen printing or plasma spraying technology applied.
  • this protective layer 80 can consist of a single material layer or a combination of several layers of material. That’s it Resistance heating element 30 in the area in contact with the medium medium-tight and shielded electrically insulated. Except for the connections 32 is the entire Heater 10 sealed from the medium. By the way of installation the heating device 10 in, for example, a laundry washing machine must be ensured that the connections 32 do not come into contact with the medium to be heated, in the event that this medium is electrically conductive.
  • FIG. 3A-3C schematically show possible designs of the protective layer in the layer structure of the heating device 10 from FIG. 1 on the basis of a cross section along the line B-B '.
  • the surface element 22 is compared to the resistance heating element 30 by the Insulation layer 28 electrically insulated.
  • the resistance heating element is on this insulation layer 30 arranged, the medium to be heated with a medium resistant and electrically insulating protective layer 80 is shielded.
  • a ceramic plate is used as the surface element 22, then the Insulation layer 28 and also the corresponding manufacturing step are omitted.
  • 3B a Execution of the protective layer 80, in which a uniform thickness D of the Protective layer 80 has been generated, this increases the effective outer surface the heating device 10, but also the thermal resistance and thermal capacity of the protective layer 80 are reduced.
  • the protective layer became essentially only on the resistance heating element 30 and on the edges of the insulating layer 28 applied to ensure the necessary seal against the medium. In this version, the least material is required and thermal resistance and Thermal capacity of the protective layer 80 reduced to a minimum.
  • FIG. 4 shows an example of the installation of the heating device 10 according to the invention.
  • the Heating device 10 is in this case on its two large sides 22a and 22b with a Provide sealing element 29, which along these two large sides 22a, 22b line A (Fig. 1) can be sprayed.
  • the sealing element 29 itself has engagement grooves for walls W of the tub of the laundry washing machine.
  • the two connection recesses 26 are thus arranged outside the tub. 4, can the heating device 10 according to the invention by support brackets S in the Vat to be kept. As can further be seen from FIG.
  • the flat design the heating device 10 has a lower water level than the known tubular radiators possible, since the lower large side 22b has the same distance as the lower horizontal tangential line of a tubular heater, but the upper side 22a has a lower height than the upper tangential line of a known tubular heater.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Resistance Heating (AREA)
  • Surface Heating Bodies (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
EP02020582A 2001-09-17 2002-09-17 Dispositif de chauffage pour machine à laver Expired - Lifetime EP1293597B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10145702A DE10145702A1 (de) 2001-09-17 2001-09-17 Flachheizprofil für direkte Mediumbeheizung
DE10145702 2001-09-17

Publications (3)

Publication Number Publication Date
EP1293597A2 true EP1293597A2 (fr) 2003-03-19
EP1293597A3 EP1293597A3 (fr) 2004-08-25
EP1293597B1 EP1293597B1 (fr) 2009-12-02

Family

ID=7699266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020582A Expired - Lifetime EP1293597B1 (fr) 2001-09-17 2002-09-17 Dispositif de chauffage pour machine à laver

Country Status (4)

Country Link
EP (1) EP1293597B1 (fr)
AT (1) ATE450646T1 (fr)
DE (2) DE10145702A1 (fr)
ES (1) ES2337658T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10320379A1 (de) * 2003-05-06 2004-12-02 Leoni Ag Elektrisch beheizbares Element und Verfahren zum Herstellen eines elektrisch beheizbaren Elements
WO2006097245A1 (fr) * 2005-03-14 2006-09-21 I.R.C.A. S.P.A. -Industria Resistenze Corazzate E Affini Element de chauffage
WO2006108622A1 (fr) * 2005-04-15 2006-10-19 I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini Element de resistance electrique blinde
DE102005043030A1 (de) * 2005-09-09 2007-03-15 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
WO2009156190A1 (fr) * 2008-06-27 2009-12-30 Compagnie Mediterraneenne Des Cafes Chaudiere pour machine de preparation de boissons chaudes
CN101132657B (zh) * 2007-09-21 2011-09-21 赵永镐 聚四氟乙烯加热制品及其制造方法
DE102013207088A1 (de) * 2013-04-19 2014-10-23 Bleckmann Gmbh & Co. Kg Flächenheizeinrichtung zum Aufheizen von Wasser in einem Laugenbehälter, Waschmaschine und Verfahren zum Herstellen einer Flächenheizeinrichtung
EP3040013A1 (fr) * 2014-12-31 2016-07-06 Indesit Company S.p.A. Procédé de chauffage pour appareils ménager et machine à laver associée
EP4231777A1 (fr) * 2022-02-21 2023-08-23 Fratini, Roberto Résistance pour machine à laver

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DE102007054333A1 (de) * 2007-11-14 2009-05-20 BSH Bosch und Siemens Hausgeräte GmbH Bauteil für ein Flüssigkeit führendes Gerät und Haushaltgerät zur Pflege von Wäschestücken mit einem derartigen Bauteil
DE102008010343A1 (de) * 2008-02-14 2009-01-02 E.G.O. Elektro-Gerätebau GmbH Heizeinrichtung zur Erhitzung von Wasser
US11696370B2 (en) 2020-04-22 2023-07-04 Whirlpool Corporation Household appliance with immersible heater

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EP0890669A2 (fr) * 1997-07-11 1999-01-13 BSH Bosch und Siemens Hausgeräte GmbH Machine à laver et/ou à sécher avec un élément de chauffage électrique
US5930459A (en) * 1994-12-29 1999-07-27 Energy Converters, Inc. Immersion heating element with highly thermally conductive polymeric coating
US6054690A (en) * 1995-05-04 2000-04-25 Norton Pampus Gmbh Heating element, manufacturing process and application

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DE19738020A1 (de) * 1997-08-30 1999-03-04 Ceramtec Ag Heizkörper zum Heizen einer Bügeleisensohle
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Publication number Priority date Publication date Assignee Title
DE2548019A1 (de) * 1974-10-31 1976-05-06 Kyoto Ceramic Keramisches heizelement
US5155800A (en) * 1991-02-27 1992-10-13 Process Technology Inc. Panel heater assembly for use in a corrosive environment and method of manufacturing the heater
DE4325606A1 (de) * 1993-07-30 1995-02-09 Bach Wolfdietrich Keramisches Heizelement sowie Verfahren zur Herstellung eines solchen Heizelements
US5930459A (en) * 1994-12-29 1999-07-27 Energy Converters, Inc. Immersion heating element with highly thermally conductive polymeric coating
US6054690A (en) * 1995-05-04 2000-04-25 Norton Pampus Gmbh Heating element, manufacturing process and application
EP0890669A2 (fr) * 1997-07-11 1999-01-13 BSH Bosch und Siemens Hausgeräte GmbH Machine à laver et/ou à sécher avec un élément de chauffage électrique

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10320379A1 (de) * 2003-05-06 2004-12-02 Leoni Ag Elektrisch beheizbares Element und Verfahren zum Herstellen eines elektrisch beheizbaren Elements
WO2006097245A1 (fr) * 2005-03-14 2006-09-21 I.R.C.A. S.P.A. -Industria Resistenze Corazzate E Affini Element de chauffage
WO2006108622A1 (fr) * 2005-04-15 2006-10-19 I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini Element de resistance electrique blinde
DE102005043030A1 (de) * 2005-09-09 2007-03-15 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
CN101132657B (zh) * 2007-09-21 2011-09-21 赵永镐 聚四氟乙烯加热制品及其制造方法
WO2009156190A1 (fr) * 2008-06-27 2009-12-30 Compagnie Mediterraneenne Des Cafes Chaudiere pour machine de preparation de boissons chaudes
FR2932971A1 (fr) * 2008-06-27 2010-01-01 Cie Mediterraneenne Des Cafes Chaudiere pour machine de preparation de boissons chaudes
CN102143702A (zh) * 2008-06-27 2011-08-03 地中海咖啡公司 热饮料制备机用的加热器
FR2932972A1 (fr) * 2008-06-27 2010-01-01 Cie Mediterraneenne Des Cafes Chaudiere pour machine de preparation de boissons
CN102143702B (zh) * 2008-06-27 2014-06-25 地中海咖啡公司 热饮料制备机用的加热器
US8811807B2 (en) 2008-06-27 2014-08-19 Compagnie Mediterraneenne Des Cafes (Sa) Boiler for a machine for making hot beverages
DE102013207088A1 (de) * 2013-04-19 2014-10-23 Bleckmann Gmbh & Co. Kg Flächenheizeinrichtung zum Aufheizen von Wasser in einem Laugenbehälter, Waschmaschine und Verfahren zum Herstellen einer Flächenheizeinrichtung
WO2014170210A1 (fr) * 2013-04-19 2014-10-23 BSH Bosch und Siemens Hausgeräte GmbH Dispositif de chauffage de surface pour le chauffage de l'eau dans un récipient à lessive, lave-linge et procédé de fabrication d'un dispositif de chauffage de surface
RU2624725C2 (ru) * 2013-04-19 2017-07-05 Бсх Хаусгерете Гмбх Панельное нагревательное устройство для нагрева воды в баке для моющего раствора, стиральная машина и способ изготовления панельного нагревательного устройства
EP3040013A1 (fr) * 2014-12-31 2016-07-06 Indesit Company S.p.A. Procédé de chauffage pour appareils ménager et machine à laver associée
EP4231777A1 (fr) * 2022-02-21 2023-08-23 Fratini, Roberto Résistance pour machine à laver

Also Published As

Publication number Publication date
EP1293597B1 (fr) 2009-12-02
ES2337658T3 (es) 2010-04-28
DE50214034D1 (de) 2010-01-14
EP1293597A3 (fr) 2004-08-25
ATE450646T1 (de) 2009-12-15
DE10145702A1 (de) 2003-04-17

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