EP1700514A1 - Safety device for a heating apparatus, heating apparatus, and continuous flow heater - Google Patents
Safety device for a heating apparatus, heating apparatus, and continuous flow heaterInfo
- Publication number
- EP1700514A1 EP1700514A1 EP04819705A EP04819705A EP1700514A1 EP 1700514 A1 EP1700514 A1 EP 1700514A1 EP 04819705 A EP04819705 A EP 04819705A EP 04819705 A EP04819705 A EP 04819705A EP 1700514 A1 EP1700514 A1 EP 1700514A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating
- fuse
- heating element
- fluid
- heater
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 188
- 239000012530 fluid Substances 0.000 claims abstract description 52
- 238000012546 transfer Methods 0.000 claims abstract description 30
- 238000012806 monitoring device Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 10
- 229910000679 solder Inorganic materials 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 description 10
- 239000004020 conductor Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 210000002105 tongue Anatomy 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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0202—Switches
- H05B1/0205—Switches using a fusible material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
Definitions
- the application relates to a securing device for a heating device for fluids, the heating device having a heating element and a heat transfer element which is in heat-conducting connection for transferring the heat generated by the heating element to the fluid with the heating element and the fluid, with a safety fuse, which interrupts the heating circuit of the heating element when the heat transfer element can no longer transfer thermal energy into the fluid.
- the application further relates to a Schuv ⁇ cardi and a water heater with a Schuv ⁇ cardi the v ⁇ kind.
- Schuv ⁇ cardien and water heaters said Alt are used for example in dishwashers or washing machines.
- For heating the fluid Seebeh ⁇ cardien are now predominantly based on Ro radiators used.
- Tubular heaters usually consist of a resistance wire, which is arranged centrally in a Bdelstahlrohr so that no voltage breakdowns are possible on this, for accurate fixation of the resistance wire in the middle of the tube and to improve the insulation, the space between the resistance wire and the Bdelstahlrohr with a insulation-resistant material, usually a magnesium oxide powder, filled.
- a insulation-resistant material usually a magnesium oxide powder
- the use of tubular heaters can be done in different ways. For example, it can be arranged in a flow heater through which the fluid flows, lying in fluid flow.
- the tubular heating element can also be arranged on a fluid guide tube through which the fluid flows, optionally with the interposition of a heat transfer element. Another simple variant provides to let the tubular heater lying in the interior of a container surrounded by the fluid.
- a Schuv ⁇ cardi for fluids with at least one heating element which has a heat transfer element, which is for transmitting the heat generated by the heating element to the fluid with the heating element and the fluid in heat-conducting connection.
- a fluid guide tube on the outside of the heating element is applied.
- a temperature monitoring device is provided in the form of an NTC resistor v ⁇ , which is connected to a control device for controlling the heating element.
- an overload protection in the form of a fuse is additionally disclosed, which shuts off the heating element during drying.
- the object of the present invention is therefore to provide a securing device for a heating device for fluids, which is able to a Schuv ⁇ cardi with low heat capacity, such as an electrical resistance heater in the form of a thick-film element, which have a fast response on easy and cost effective way to protect reliably. It is further an object of the present invention to provide a Schuv ⁇ cardi and a water heater, which are effectively protected in a drying cycle.
- the securing device in addition to the fuse, has a further thermal heating device, which is in thermal communication with the fuse and additionally supplies a limited amount of heat to the fuse in order to accelerate the tripping of the fuse.
- the fuse is triggered by thermal energy input, i. the heating circuit separated.
- the separation of the heating circuit would, as in the case of the arrangement described in DE 199 34 319 A1, also take place if no thermal heating device were provided.
- the time duration until the release of the fuse would possibly be so long that a heating device realized in the form of an electrical resistance heater, which has only a low heat capacity, would be destroyed.
- a ground fault would be conceivable, whereby household standard fault current switch would be triggered.
- the provision of the thermal heater sogt now that the fuse triggers before the destruction of the heater and the response of the above-mentioned residual current switch in the household.
- the shortening of the time duration can be realized by providing the additional heating device.
- the securing device according to the invention responds exclusively to the heat released by the heating device, more precisely the heating element, in particular the amount of heat generated by the thermal heating device is Fuse also supplied in normal operation, wherein the amount of heat supplied in normal operation is less than the energy required to trigger the fuse.
- the thermal heating device is not triggered, as is the case in DE 19946 826 AI, due to a control signal which detects a current in the heating circuit, but due to the heat generated in the heating element.
- the evaluation device according to the invention completely dispenses with evaluation and control logic. The detection of the rated current of the Schuv ⁇ cardi, in particular of the heating element, would be able to accomplish due to the very high, necessary currents only with considerable effort.
- the thermal heating device is formed by the heating element. It is preferred if the heating element has a number of heating sections and the thermal heating device is formed by at least one of the Schuabs chnitte.
- the amount of heat supplied by the thermal heating device of the fuse thus essentially depends on how much is removed via the fluid heated by the heating device.
- the thermal heater thus generates both in normal operation as well as in an error basically the same amount of heat.
- most of the amount of heat generated by the thermal heater is dissipated via the fluid. If this is no longer present, i. If the heating device is operated in the doorway, the amount of heat can no longer be dissipated, as a result of which the thermal heating device heats up the fuse very quickly and reliably separates the heating circuit.
- the fuse is arranged on the heat transfer element of the heating device in a region in which the heating sections have the smallest radii. In these areas, the current concentration is highest, which causes local overheating to occur fastest. The speed with which the fuse is triggered, so it can also be adjusted by, in which area of the Schuv ⁇ cardi this is ange ⁇ dnet.
- the Schmelzv ⁇ cardi is soldered into the heating circuit of the heating element, wherein the contact points formed thereby electrical and mechanical support of the fuse takes place and wherein the interruption of the heating circuit in the region of at least one contact point.
- the separation of the heating circuit can be done by melting only one contact point. It is preferred if both contact points are separated during melting in about the same time.
- the fuse in the installed position relative to the heating element and the heat transfer unit is arranged such that the separation of the solder joint takes place with the aid of gravity acting on the fuse.
- the triggering of the fuse is caused on the one hand by the very high heating of the Schuv ⁇ raum, in particular the heating element in the field of fuse, as liquefied by the self-heating of the fuse, the solder at the contact points of the fuse. Due to the installation position downwards, the weight of the fuse exceeds the holding force of the solder, whereby the fuse irreversibly drops down. This reliably stops the heating circuit.
- the heating element has a resistor with a positive temperature characteristic.
- the heating element thus has a PTC characteristic. This means that, to some extent, overheating is limited if a drying cycle was unavoidable.
- the heating element is preferably formed by an electrical resistance heater, in particular a thick-film heater. These can not be used because of the low heat capacity sluggish fuses, since the time until the response or release of the fuse is too long and the heater, more precisely, the heating element would be destroyed due to excessive thermal stress.
- an electronically operating temperature monitoring device can be provided which regulates the energy supply through the heating element as a function of the temperature of the fluid.
- the electronically operating temperature monitoring device can be designed, for example, in the form of an NTC resistor, whose resistance value is detected as a function of the temperature and used to control or regulate the heating. zleaned is used.
- the temperature monitoring device is an independently operating safety device, which should normally also detect a drying cycle of the heating device and accordingly should switch off the heating element. In the event that the heating device has a defect and does not recognize it, the fuse in connection with the thermal heating device is a final, reliable and simple protection for the heating device. [023] It is provided that the temperature monitoring device and the fuse have no reciprocal interaction or influence with regard to their monitoring function. In other words, the result obtained by the electronic temperature monitor is not used to drive the fuse or thermal heater and cause the fuse to trip.
- the heating device according to the invention for installation in a water heater has at least one heating element designed as an electrical resistance heater and at least one heat transfer element which is in heat-conducting connection for transferring the heat generated by the heating element to the fluid with the heating element and the fluid, wherein a erf ⁇ ndungsgeffle3e Sich mecanicsv ⁇ cardi is provided.
- a flow heater according to the invention having a protruding heating device and a molded part which is firmly and pressure-tightly connected to it to form a fluid space, the molded part having at least one inlet opening and at least one outlet opening.
- a temperature monitoring element is provided, it is preferred if it is arranged on the heat transfer element of the heating device in an area located near the inlet opening in this molded part. This makes it possible in a particularly simple manner, to precisely detect the fluid temperature of the inflowing water heater fluid and quickly detect a drying cycle.
- FIG. 1 shows a plan view of the outer surface of a heating device according to the invention
- FIG. 2 shows a section through the heating device from FIG. 1 along the line AA
- FIG. 3 shows a side view of the heating device according to the invention, the latter being shown in its subsequent installation position, with the outer surface facing downwards,
- FIG. 4 shows a detailed view of the edge of the heating device bordered by a dashed line in FIG.
- FIG. 5 shows a perspective view of a continuous-flow heater according to the invention composed of a heating device and a fuel element
- FIG. 6 is a perspective view of a heating device and a safety device according to the invention lying in its heating circuit
- FIG. 7 shows an enlarged view of the securing device according to the invention from FIG. 6.
- FIG. 1 shows a heating device 1 in a plan view of its outer surface 14.
- the heating device 1 has a substantially circular shape.
- a heat transfer element 3 e.g. made of a stainless steel
- a heating element 2 is arranged on a central area 4 of a heat transfer element 3, e.g. made of a stainless steel.
- the heat transfer element is made of a metal, for example a stainless steel, which has a poor thermal conductivity in the lateral direction. Perpendicular thereto, i. in a plane perpendicular to the drawing plane, however, the heat transfer element on the other hand, a good thermal conductivity, so that an effective transfer of the energy generated by the heating element is ensured to the fluid.
- the heating element 2 consists, for example, of a total of seven circular concentric circular segments, each of which forms a heating section 5.
- the heating sections 5 are arranged relative to one another in such a way that adjacent ends of the circular segments are electrically connected to one another via a short conductor track 7.
- the single heating circuit in this case thus extends from one connection end 11 via the outermost concentric ring and each of the further concentric rings to a further connection end 12.
- the heating element 2 of the present heating device 1 has a single heating circuit.
- all the heating sections 5 of the heating element 2 are connected in series with one another by corresponding conductor track sections 7.
- a component of this heating circuit is also a safety fuse 10, which is part of the securing device according to the invention and which is located substantially in the center of the central area 4, in which the heating segments 5 have the lowest radii exhibit.
- FIGS. 2 and 3 show the heating device 1 in its later installation position, e.g. in a dish washer or a washing machine.
- the installation position is defined such that the outer surface 14, on which the heating element 2, the fuse 10, another and later described temperature monitoring element 8 and the Kunststoffierv ⁇ cardi 9 are turned down.
- the inner surface 13, which comes into contact with the fluid, however, is arranged upward.
- the fuse 10 is intended to prevent damage to the heating element 2 in the event of drying of the heating device, by melting connection ends 26 of the fuse 10 at contact points 28 which are connected to the conductor 7 of the heating circuit via a solder. Due to the small radii of the heating segments, power concentrations are created in this area which promote the triggering of the fuse. Due to its installation position, the separation of the contact points 28 in the case of melting of the solder can be supported by gravity.
- FIG. 6 shows a perspective view of the heating device 1 and a safety device according to the invention located in its heating circuit.
- FIG. 7 shows an enlarged view of the fuse device according to the invention from FIG. 6. It consists of the already mentioned fuse 10 and a heating device 27.
- the heating device 27 is formed by a heating section 5 of the heating element 2, which is connected via a conductor 29 to a contact point 28 of the fuse 10 is electrically connected.
- the other contact point 28 of the fuse 10 is electrically connected via a conductor 30 with another heating section 5 of the heating element 2.
- the solder joints melt at the contact points 28, thereby causing a detachment of the fuse 10 from the heat transfer element.
- FIGS. 6 and 7 it should be noted that, for better clarity, this does not show the actual installation position.
- the actual mounting position is shown in the cross-sectional views of Figures 2 and 3.
- the detachment of the fuse 10 from the heat transfer element 3 is therefore supported by gravity.
- the thermal heater 27, which is part of the heating element 2, favors the rapid heating of the fuse. Since this consists of a good heat-conducting material, such as a metal, which introduced by the thermal heater 27 spreads Amount of heat along the terminal ends 26 towards the contact points 28 to cause the melting of the solder.
- the thermal heater 27 is not a separate component which is subject to a particular driving, e.g. requires a control signal. Rather, the thermal heater is part of the heating element 2, whereby also in normal operation (i.e., there is no drying cycle) a quantity of heat is released to the fuse 10, which is not sufficient, however, to melt the solder at the contact points 28. This is due to the fact that the amount of heat generated by the thermal heater is essentially removed by the fluid flowing around on the inner side 13. However, as soon as this removal comes to a halt, the amount of heat introduced into the fuse is increased, which leads to tripping.
- the safety direction is located in the center of the central area 4. Since the heating sections 5 are formed in F ⁇ m of concentric circle segments, the securing direction is ange ⁇ dnet in a region in which the heating sections have the smallest radii. At these points, the current concentration is highest, so that the risk of damage to the heater is also greatest in a drying cycle at these locations.
- the securing device in principle in the center of the heating device.
- the choice of suitable location depends essentially on the design of the heating element. Due to the above, it is preferable to use the securing device, i. to arrange the fuse and the thermal heater in the area in which the heating sections have the smallest radii.
- a thermal-mechanical safety device independent of the electronic control and in particular one of the additional electronic temperature monitoring devices provided is provided in a particularly simple manner.
- the response time of the backup device is less than the time necessary to destroy the heater or heater.
- the safety device triggers before an error protection switch triggers in a house.
- a temperature monitoring element 8 with a negative temperature coefficient is provided in a mounting area 6.
- the temperature monitoring device 8 is formed as an NTC resistor detected due to the properties of the heat transfer element 3, only the temperature of the inner surface 13 flushing fluid, but not the heat generated by the heating element 2. The temperature monitoring device 8 is thus decoupled from the heating element.
- the temperature monitoring device 8 and the backup device form complementary, but not mutually influencing, monitoring systems.
- a contacting direction 9 is also arranged.
- the Kunststoffierv ⁇ cardi 9 With the Kunststoffierv ⁇ cardi 9, the terminal ends 11 and 12 of the heating element 2 via respective conductor tracks 24 and 25 are electrically connected.
- the Kunststoffierv ⁇ cardi 9 has corresponding contact tongues in their interior, via which they can graze mechanically and electrically connected to a correspondingly shaped plug. Via the Bachierv ⁇ cardi 9 the heating element 9, the necessary voltage and the necessary current is supplied.
- the temperature monitoring device is arranged in the immediate vicinity of the contacting device 9 and electrically connected thereto. Thus, all electrical consumers provided in the heating device can be contacted via the contacting device via a single plug-in contact.
- FIG. 1 shows a section along the line A-A of Figure 1, and the side view of Figure 3, the design of the heat transfer device 3 is better understood.
- the central area 4 is surrounded by a peripheral edge 15.
- the rim 15 is formed by a wall 17 extending upwardly from the central portion 4 at an angle and a channel wall 18 extending downwardly from the rim 15.
- the channel wall 18 is part of a channel 16, which further has an outer channel wall 19 and a channel bottom 22.
- the channel 16, which circumscribes the central area outside the edge 15, serves for Receiving a wall portion of the F ⁇ rmmaschines to attach the Schuv ⁇ cardi to the F ⁇ rmteil pressure and temperature stable.
- the channel wall 19 is formed with a series of tabs 20, which are for receiving latching hooks, which are formed in the wall portion of the molding 50 of a flow heater 100 according to the invention according to the invention ( Figure 5).
- the channel walls 18 and 19 are substantially parallel to each other and substantially perpendicular to the plane formed by the central region 4.
- the channel bottom does not extend below the central region 4.
- the distance d is therefore 0 in the limiting case or, as shown, greater than 0. This makes it possible in a simple manner, on the outer surface 14 of the central region 4, the heating element 2, in particular the heating sections. 5 to apply in a printing process.
- the geometry of the metal plate may be formed, for example, by a stamping process in which the tabs 20 are formed and an embossment.
- the inner channel wall 18 provides a sealing seat which allows a radial seal between the heating and the F ⁇ rmteil. Due to the installation position of the heating device shown in FIGS. 2 to 4, with the outer surface 14 downwards, the edge in connection with the channel 16 also forms a water barrier which prevents the escaping fluid from leaking onto the heating element in the event of a leakage of the Duichlaufe heater 2 can run.
- the channel bottom 23 thus represents a drip edge, can drain on the exiting fluid before it can reach the serving as a water barrier edge 15.
- the tabs formed in the outer channel wall 19 each have a recess 21 which extends from the outer channel wall 19 in the direction of the channel bottom 22. This design ensures that a secure latching of the heating device 1 with the cooling part 50 can take place.
- FIG. 5 shows a perspective view of the instantaneous water heater 100 according to the invention, which shows the heating device 1 with a molded part 50 connected thereto.
- the molded part 50 which consists for example of a plastic, has an inlet opening 51, which is oriented radially. Furthermore, two outlet openings 52 extending axially are provided. Each of the outlet openings 52 can be connected to a separate Sprühv ⁇ cardi a dishwasher. Of course, the arrangement of the inlet opening and the outlet openings can also take place at locations other than those shown in the figure.
- the connection between the heating device 1 and the cooling part 50 can be seen.
- connection takes place via the already mentioned tabs 20, engage in the latching hooks 53, and prevent the release of the molded part 50 of the Schuv ⁇ cardi 1 even under pressure.
- a sealing ring is attached between the fuel part 50 and the heating device 1. More specifically, the sealing ring between a in the channel 16 extending wall of the F ⁇ rmmaschines and the inner channel wall 18 ange ⁇ dnet, whereby even under pressure, ie under a possible deformation, in particular of the molding, but also the heater, a high density is explicatturchUUT.
- the fluid space formed in the interior between the heating and the F ⁇ mteil has no flow resistance, as is the case, for example, in tubular heaters, which are located inside a fluid space.
- the pump power can be reduced because less flow losses are compensated. With a smaller pump costs can be saved.
- higher pressures can be achieved while maintaining the previously used pumps, so that the mechanical loading of a wash ware is increased.
- the instantaneous water heater has a very low number of parts and can be produced in a particularly simple manner.
- the measures necessary for the production of a secure seal are much less, since only a single sealing ring has to be provided between the heating device and the molded part.
- To determine a dry running no mechanically acted upon by the fluid switch must be provided. This can be determined solely by the intended temperature monitoring device outside the fluid space.
- the securing device ensures reliable separation of the heating circuit.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Control Of Resistance Heating (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Resistance Heating (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Electric Stoves And Ranges (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04819705T PL1700514T3 (en) | 2003-12-04 | 2004-12-03 | Safety device for a heating apparatus, heating apparatus, and continuous flow heater |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10356788A DE10356788A1 (en) | 2003-12-04 | 2003-12-04 | Safety device for a heater, heater and water heater |
PCT/EP2004/053252 WO2005055659A1 (en) | 2003-12-04 | 2004-12-03 | Safety device for a heating apparatus, heating apparatus, and continuous flow heater |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1700514A1 true EP1700514A1 (en) | 2006-09-13 |
EP1700514B1 EP1700514B1 (en) | 2007-06-13 |
Family
ID=34638358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04819705A Active EP1700514B1 (en) | 2003-12-04 | 2004-12-03 | Safety device for a heating apparatus, heating apparatus, and continuous flow heater |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1700514B1 (en) |
AT (1) | ATE364980T1 (en) |
DE (2) | DE10356788A1 (en) |
ES (1) | ES2287809T3 (en) |
PL (1) | PL1700514T3 (en) |
WO (1) | WO2005055659A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109392209B (en) * | 2017-08-11 | 2020-12-22 | 苏州乾程自动化科技有限公司 | Automatic installation wire for electromagnetic oven coil |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3763454A (en) * | 1972-02-22 | 1973-10-02 | Tektronix Inc | Thermal switch |
JPS60193222A (en) * | 1984-02-15 | 1985-10-01 | グラビトロル・プロプライアタリー・リミテツド | Temperature fuse |
DE4011284C2 (en) * | 1990-04-06 | 2003-07-24 | Krups Fa Robert | Electric egg cooker |
US5652562A (en) * | 1996-05-21 | 1997-07-29 | Spectrol Electronics Corporation | Thermally fused resistor having a portion of a solder loop thermally connected to an electrically insulated portion of an outer surface of the resistor |
GB2332574B (en) * | 1997-12-16 | 2002-06-12 | Delphi Automotive Systems Gmbh | A fuse arrangement |
DE19934319A1 (en) * | 1999-07-21 | 2001-02-08 | Bleckmann Gmbh Lamprechtshause | Heater with lye temperature control |
DE10021512A1 (en) * | 2000-05-03 | 2001-11-08 | Ego Elektro Geraetebau Gmbh | Electric heating unit, especially for liquid media |
DE10248066A1 (en) * | 2002-10-09 | 2004-04-22 | E.G.O. Elektro-Gerätebau GmbH | Safety device for a heating device and heating device |
-
2003
- 2003-12-04 DE DE10356788A patent/DE10356788A1/en not_active Withdrawn
-
2004
- 2004-12-03 DE DE502004004113T patent/DE502004004113D1/en active Active
- 2004-12-03 AT AT04819705T patent/ATE364980T1/en not_active IP Right Cessation
- 2004-12-03 ES ES04819705T patent/ES2287809T3/en active Active
- 2004-12-03 WO PCT/EP2004/053252 patent/WO2005055659A1/en active IP Right Grant
- 2004-12-03 PL PL04819705T patent/PL1700514T3/en unknown
- 2004-12-03 EP EP04819705A patent/EP1700514B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2005055659A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2287809T3 (en) | 2007-12-16 |
PL1700514T3 (en) | 2007-11-30 |
DE502004004113D1 (en) | 2007-07-26 |
DE10356788A1 (en) | 2005-07-07 |
WO2005055659A1 (en) | 2005-06-16 |
EP1700514B1 (en) | 2007-06-13 |
ATE364980T1 (en) | 2007-07-15 |
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