EP1408524B1 - Heizeinrichtung mit thermischer Schmelzsicherung - Google Patents
Heizeinrichtung mit thermischer Schmelzsicherung Download PDFInfo
- Publication number
- EP1408524B1 EP1408524B1 EP03020988A EP03020988A EP1408524B1 EP 1408524 B1 EP1408524 B1 EP 1408524B1 EP 03020988 A EP03020988 A EP 03020988A EP 03020988 A EP03020988 A EP 03020988A EP 1408524 B1 EP1408524 B1 EP 1408524B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heating device
- contacts
- connection bridge
- connection
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
Definitions
- the invention relates to a heating device with the features of the preamble of claim 1.
- US-A-4,622,534 discloses soldering through two terminals held piece of metal. Especially the solder, but also the piece of metal Make an electrically conductive connection between the two terminals The solder melts due to high temperature because of too high current, it loses its fastening and holding effect for the piece of metal. This is pulled down by gravity and falls out between the terminals. It pulls the lot with himself or this falls down. So will at a certain Amperage solved the electrical connection between the terminals.
- FR-A-2 521 770 describes close to a resistance heating element a resilient electrical contact bridge, which has an insulating Pin supported on a bearing of melting material is. By this support, the bridge against a mating contact and thus produces an electrically conductive connection. If the heater heats the solder beyond a certain point, so The elastic bridge can support down in the press in soft solder and thus move away from the mating contact and interrupt the electrical contact.
- a problem with known fuses is that a high technical and installation effort to realize the security is necessary to the high thermal slew rates of Heating elements, in particular low-mass thick-film heating elements, to secure if there is no heat absorption. Such not existing heat loss, for example, the dry run of a Be water boiler. In case of emergency, while the heater or a base insulation will be destroyed.
- the present invention is based on the object, a safety device for a heater and a provided therewith To create heating equipment with which the problems of the state of the Technique can be avoided, especially a very fast reacting Safety device for thermal protection of a Heating device can be created.
- the securing device has two contacts as well a connecting bridge, wherein the connecting bridge electrically is conductive and a connection of the heater to a power or Energy supply forms. Furthermore, the connection bridge is on attached mechanically and electrically conductive to the two contacts. For this purpose, fastening means are provided whose attachment or Fastening effect above or when exceeding a certain Temperature dissolves.
- the securing device is furthermore on the heating device arranged that the fastening means and / or the connecting bridge in heat-conducting connection with the heater stand. Furthermore, the invention provides that the connecting bridge held by the fasteners on the contacts such is that a movement away due to gravity is prevented. This means that the connecting bridge only by the attachment is held with the fasteners on the contacts. triggers If there is an attachment or even both, the connection bridge moves away from the contacts or falls away from it. This can be achieved that no separate force, such as spring force, needs to be provided. It will be the already existing Gravity, which also acts on such a connecting bridge, exploited.
- Such a securing device can be particularly advantageous for a Heating device used by so-called head-over-mounting " is mounted. This means that below the institution the Securing device is present and due to this arrangement the Connecting bridge easily from the contacts and thus also from the heating device can be omitted or can be solved.
- the attachment means may be different.
- a solder or solder can be metallic or metal parts or ceramic parts. So a soldering is special advantageously possible.
- the fastening means from the Combination of contacts with a solder consist. It is further possible to use a conductive adhesive that is specific to one Temperature dissolves or at least softens.
- the connecting bridge consist of a metal part or have such. It can be provided that the connecting bridge between the Connections with the contacts is insulated to the outside. Such Insulation should be temperature resistant.
- Such Insulation should be temperature resistant.
- Ceramic and glass coatings on These can be up to the directly to the contacts associated areas of the connecting bridge cover their entire surface. It is also possible the connecting bridge ceramic form or with Keramikikan tone manufacture. So she can be isolating herself.
- a movement due to gravity can on the one hand a substantially vertically downward case of the connecting bridge be.
- the connecting bridge when releasing the fastening means at the contacts the connecting bridge a tilting moment has at least one contact.
- a tilting moment against both contacts so that at a release of the connection, the connecting bridge through this tilting moment gets stronger and faster. So she still interrupts faster the electrical connection and thus the power supply. This is especially true when fixing with solder from (continue on page 5 of the original description) Advantage.
- Tipping the connection bridge can here Reliably disconnect the connection.
- the center of gravity of the connecting bridge outside the connecting line between the two Contacts.
- This is how a tilting moment is built up.
- a possible form for a connecting bridge is a simple or multiply wound U-shape. With Such a U-shape, in which an attachment to the two free ends takes place, can also advantageously generates an aforementioned tilting moment become.
- a heating device for combination with an aforementioned safety device may comprise a support and a heating element.
- the safety device in the Proper use of the heater, be arranged so that the fastening means and / or the connecting bridge in heat-conducting connection stand with the heater.
- a thermally conductive should Connection with the heating element itself exist.
- the securing device may be fastened to the carrier, preferably with the shortest possible distance. This will be the one provided an easy to handle unit. Furthermore, a Good heat conduction achieved. Finally, temperatures are at that preferred fastening means, such as solders, are heated, already considered critical for many heaters.
- the safety device especially with the Connecting bridge, seen in the direction of gravity below the heater or the heating element can be arranged.
- the connecting bridge in the direction of gravity seen deeper than the contacts or below the contacts to arrange.
- the contacts can be flat and essentially in a horizontal plane.
- the Contact surface in a horizontal plane. It is also possible also the connecting bridge essentially in a horizontal Level to go.
- the heating device can be designed such that the heating element is arranged on a flat carrier of the heating device. Contacts for the heating element can be at the bottom of the heater be provided. The term bottom refers to the later installation position of the heater. The heating element can be provided on the one hand on the top of the carrier. Here are Through contacts possible. The heating element is advantageous on the Bottom arranged. This is for example in kettles, such as previously stated, is often the case.
- the heating element can be insulated to the outside. Furthermore, can be provided be that the heating element and the connecting bridge cross over or overlap. This should be an insulation in between be arranged.
- the insulation is advantageously flat, with the area should be at least as large as that of the connecting bridge or as the projection of the connecting bridge on the heating element.
- the Insulation is further advantageously applied firmly to the heating element, for example, as one of the aforementioned ceramic or glass coatings.
- the heating element in a coating process as a layer on the carrier.
- a particularly preferred Possibility is a thick film on an insulating support. The insulation can be achieved by a glass or ceramic surface become.
- the compounds to perform the contacts as resistance, for example as Resistance tracks.
- the connecting bridge as a resistor train. It can advantageously a certain temperature coefficient of the resistance such that they too ensures a preheating of the attachment.
- Fig. 1 is an embodiment of a heating device according to the invention 11 shown in section. Like the other figures, this one is To understand drawing schematically and should serve the principle of the invention to explain in different versions.
- a ceramic carrier 12 has on its upper side 16 a plurality of heating conductors 13 on.
- the heating element 13 can run in any paths, as it is known per se from the prior art. You can, for example be applied in thick film technology.
- the heating element 13 and a It surrounding area of the top 16 of the ceramic substrate 12 is with an insulation 14 provided. This can, for example, a glass layer or the like.
- the insulation 14 of the heating element 13 upwards has the Advantage that on the one hand electrical insulation is ensured.
- a fuse 18 On a bottom 17 of the ceramic carrier 12 is a fuse 18, in In this case, a thermal fuse according to the present invention, appropriate.
- the fuse 18 has two spaced solder contacts 19, which are applied to the bottom 17.
- the solder contacts 19 again have contact leads 20.
- the electrical line over the contact lead 20 should be secured with the fuse 18 and be interrupted in an emergency.
- connection bridge 22 is provided on the solder contacts 19. This is soldered to the solder contacts 19 with solder. She connects the Contact leads 20.
- the connecting bridge is 22 of conductive, especially good solderable, metal manufactured.
- the heating of the solder contacts 19 beyond a certain extent causes a softening of the solder with which the connecting bridge 22 attached is. Then, with softened solder the connecting bridge 22 pulled down by gravity fall down, so from the solder contacts 19 away. If now the contact leads 20 in the Power supply for the heating element 13 are the heating conductors of the power supply disconnected. This corresponds to the basic principle a thermal fuse with interruption.
- the heating device 11 is approximately as in Fig. 1 is shown installed. This means that the connecting bridge 22 of the solder contacts 19 away down to, so the Following gravity, you must be able to fall. This does not mean in principle that it must be arranged below the heating conductor 13. she can also be arranged laterally. Basically it is just only important that when softening the solder joint of the connecting bridge 22 to the solder contacts 19, the connecting bridge dissolves.
- Fig. 2 is another embodiment of the invention with a heater 111 is shown. This can also be on a bottom 117 of an insulating Carrier can be arranged.
- the illustration in Fig. 2 is a Top view, for example from below.
- An elongate heating conductor 113 is provided. This one is at his right end via a connection pad 125 with a contact lead 120 connected. This lower contact feed line 120 opens into a soldering contact 119. On the other side of the heating conductor 113 is another soldering contact 119 arranged in the form of a field. This one is back with one Contact lead 120 connected, which, for example, to a power supply is guided.
- solder contacts 119 Between the solder contacts 119 is a connecting bridge 122. It is advantageously soldered to the solder contacts 119, as before has been described. Alternatively, a bond would be possible.
- the preferred solder is a solder with a precisely defined melting point used. This melting point or a resulting softening result in connection with the weight of the connecting bridge or their necessary holding force in the installed state the Trip temperature of the fuse used as a thermal fuse 18th
- the connecting bridge 122 which in turn is electrically conductive and for example, consist of metal or have a metal core can, so the heating element 113 can be supplied with electrical energy. Since the connecting bridge 122 crosses the heating conductor 113, is in between an insulating layer 124 is provided. She can, for example be glass or ceramic.
- a fuse 118 are once through the Heating conductor 113, the solder contacts 119 and thus heats the solder.
- the connecting bridge 122 is heated, which crosses the heating element 113. Their warming also contributes to Heating and possibly softening the solder on the solder contacts 119 which accelerates this process.
- an insulating layer 124 may also be a connecting bridge 122 be used, which at least in the area in which they Heating conductor 113 bridged, itself is electrically isolated.
- connection bridge a simple Metal piece to be used. It is also possible to use an electric Conductive material with a well-defined or desired Select conductivity. This can result in that by the Current flow for supplying energy to the heating conductor via the connection bridge the connection bridge already preheated to a certain temperature becomes. This temperature then prevails approximately at the Solder contacts. So can an even faster triggering of the fuse with preheated solder and faster reaching the softening point be achieved.
- Fig. 4 is a third inventive design of a heater 211 shown with a fuse 218.
- heating conductors 213 intended.
- the embodiments of Figures 1 to 3 respectively provide the connection bridge in the supply line to the heating conductor, can in this embodiment, the fuse or the connection to Bridge be provided in the course of the heating element itself. This would be with simple modification also in the embodiments according to the figures 1 to 3 possible.
- connection pads 225 The ends of the heating conductors 213 are connected to connection pads 225. Via contact lead 220, these in turn are with solder contacts 219th connected or made in one piece. At the solder contacts 219 is secured by solder a connecting bridge 222.
- This particular embodiment of the connecting bridge 222 is approximately reversed U-shaped. From a base 227 go out legs 228. The Ends of the legs 228, opposite the base 227 are connected to the Solder contacts 219 soldered. Now consider that the device 4 is installed upside down, so with the bottom 217 down, Thus, the following advantages result from such a training Connecting bridge 222.
- the connecting bridge 222 with the solder contacts 219th connects, soft, so it dissolves in principle and is not necessarily fluid, but at least viscous. However, this still means not automatically that the connecting bridge by gravity drops. The adhesion of the softened liquid solder can do this, similar to the case of a drop of water would prevent.
- a straight connecting bridge 122, as shown for example in FIG. 2 If it is not hard enough, it could still be up to you Adhere to solder contacts 119. It would even be about the liquid Lot given the electrical connection.
- connection bridge 222 according to FIG. 4, it is obvious that upon softening of the solder at the solder contacts 219, the weight the base 227, so to speak, pry off the connecting bridge. In order to can provide a liquid-based adhesion even with light connection bridges be overcome.
- connecting bridge can be provided that these on one side easy continues over the line between the solder contacts. It So it comes down to the fact that the focus of the connecting bridge lies outside the connecting line between the solder contacts.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Fuses (AREA)
- Control Of Resistance Heating (AREA)
- Resistance Heating (AREA)
Description
- Fig. 1
- einen Schnitt durch eine Ausführung einer erfindungsgemäßen Heizeinrichtung mit einer erfindungsgemäßen Sicherungseinrichtung,
- Fig. 2
- eine Draufsicht auf eine alternative Ausführung einer Heizungs- und Sicherungseinrichtung,
- Fig. 3
- einen Schnitt durch die Ausführung aus Fig. 2 und
- Fig. 4
- eine weitere Ausführung einer Heizungs- und Sicherungseinrichtung in Draufsicht.
Claims (15)
- Heizeinrichtung (11, 111, 211), die eine Sicherungseinrichtung (18, 118, 218), einen Träger (12, 112) und ein Heizelement (13, 113, 213) aufweist mit:zwei Kontakten (19, 119, 219) undeiner Verbindungsbrücke (22, 122, 222), die elektrisch leitend ist und einen Anschluss der Heizeinrichtung an eine Energieversorgung (20) bildet,
dadurch gekennzeichnet, dass
die Verbindungsbrücke (222) derart ausgebildet ist, dass beim Lösen der Befestigung an den Kontakten (19, 119, 219) ein Kippmoment gegenüber mindestens einem Kontakt entsteht. - Heizeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Befestigungsmittel für die Befestigung der Verbindungsbrücke (22, 122, 222) an den Kontakten (19, 119, 219) Lot sind, wobei vorzugsweise die Kontakte und die Verbindungsbrücke metallisch sind.
- Heizeinrichtung nach Anspruch 2, dadurch gekennzeichnet, dass durch die Materialzusammensetzung des Lots dessen Erweichungspunkt derart einstellbar ist, dass bei vorgegebener Zuordnung der Befestigung zu der Heizeinrichtung (11, 111, 211) ein Erweichen bei einer bestimmten Temperatur der Heizeinrichtung erfolgt.
- Heizeinrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Verbindungsbrücke (22, 122, 222) aus einem Metallteil besteht, wobei sie vorzugsweise zwischen Verbindungen mit den Kontakten (19, 119, 219) nach außen isoliert ist, insbesondere mit einer temperaturbeständigen Isolierung, vorzugsweise einer Keramik- oder Glasschicht.
- Heizeinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindungsbrücke (222) derart ausgebildet ist, dass beim Lösen der Befestigung an den Kontakten (19, 119, 219) ein Kippmoment gegenüber beiden Kontakten entsteht.
- Heizeinrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der Schwerpunkt der Verbindungsbrücke (22) außerhalb einer Verbindungslinie zwischen den beiden Kontakten (19, 119, 219) liegt, vorzugsweise in einer horizontalen Richtung außerhalb und seitlich neben der Verbindungslinie.
- Heizeinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindungsbrücke (22) eine ein- oder mehrfache U-Form aufweist.
- Heizeinrichtung nach einem der vorhergehenden Ansprüche, wobei die Sicherungseinrichtung im bestimmungsgemäßen Einsatz der Heizeinrichtung derart an der Heizeinrichtung angeordnet ist, dass die Befestigungsmittel, insbesondere die Verbindungsbrücke (22, 122, 222), in wärmeleitender Verbindung mit der Heizeinrichtung (11, 111, 211) sind, insbesondere dem Heizelement (13, 113, 213).
- Heizeinrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Sicherungseinrichtung (18, 118, 218) an dem Träger (12, 112, 212) befestigt ist, vorzugsweise mit möglichst geringer Entfernung, dazu.
- Heizeinrichtung nach Anspruch 8 oder Anspruch 9, dadurch gekennzeichnet, dass die Sicherungseinrichtung (18, 118, 218), insbesondere die Verbindungsbrücke (22, 122, 222), in Schwerkraftrichtung gesehen unterhalb der Heizeinrichtung (11, 111, 211) angeordnet ist, vorzugsweise unterhalb des Heizelements (13, 113, 213).
- Heizeinrichtung nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass die Verbindungsbrücke (22, 122, 222) in Schwerkraftrichtung gesehen unterhalb der Kontakte (19, 119, 219) angeordnet ist, wobei vorzugsweise die Kontakte flächig sind und im wesentlichen in einer horizontalen Ebene verlaufen, und insbesondere auch die Verbindungsbrücke im wesentlichen in einer horizontalen Ebene verläuft.
- Heizeinrichtung nach einem der Ansprüche 8 bis 11, dadurch gekennzeichnet, dass das Heizelement (13, 113, 213) auf einem flächigen Träger (12, 112, 212) angeordnet ist und Kontakte (19, 119, 219) an der Unterseite (17, 117, 217), bezogen auf den späteren Einbau, aufweist, wobei vorzugsweise das Heizelement an der Unterseite angeordnet ist.
- Heizeinrichtung nach einem der Ansprüche 8 bis 12, dadurch gekennzeichnet, dass das Heizelement (13, 113, 213) isoliert ist, wobei sich vorzugsweise Heizelement und Verbindungsbrücke (22, 122, 222) überkreuzen mit einer dazwischen angeordneten Isolierung (14, 114, 214), wobei vorzugsweise die Isolierung (14, 114, 214) fest auf das Heizelement (13, 113, 213) aufgebracht ist und flächig ist.
- Heizeinrichtung nach einem der Ansprüche 8 bis 13, dadurch gekennzeichnet, dass die Verbindungen zu den Kontakten (19, 119, 219) als Widerstand ausgeführt sind, der im Normalbetrieb eine Vorerwärmung der Befestigung an den Kontakten bewirkt.
- Heizeinrichtung nach einem der Ansprüche 8 bis 14, dadurch gekennzeichnet, dass die Verbindungsbrücke (22, 122, 222) als Widerstand ausgeführt ist, wobei sie vorzugsweise einen bestimmten Temperaturkoeffizienten des Widerstands in Abhängigkeit von der Temperatur aufweist
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10248066A DE10248066A1 (de) | 2002-10-09 | 2002-10-09 | Sicherungseinrichtung für eine Heizeinrichtung und Heizeinrichtung |
DE10248066 | 2002-10-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1408524A1 EP1408524A1 (de) | 2004-04-14 |
EP1408524B1 true EP1408524B1 (de) | 2005-04-13 |
Family
ID=32010474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03020988A Expired - Lifetime EP1408524B1 (de) | 2002-10-09 | 2003-09-17 | Heizeinrichtung mit thermischer Schmelzsicherung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6940052B2 (de) |
EP (1) | EP1408524B1 (de) |
AT (1) | ATE293281T1 (de) |
DE (2) | DE10248066A1 (de) |
ES (1) | ES2240898T3 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10356788A1 (de) * | 2003-12-04 | 2005-07-07 | BSH Bosch und Siemens Hausgeräte GmbH | Sicherungsvorrichtung für eine Heizvorrichtung, Heizvorrichtung und Durchlauferhitzer |
JP4708310B2 (ja) * | 2006-06-19 | 2011-06-22 | 三菱電機株式会社 | 回路遮断装置 |
GB201003614D0 (en) * | 2010-03-04 | 2010-04-21 | Airbus Operations Ltd | Water drain tool |
FR2994891B1 (fr) * | 2012-09-06 | 2016-10-21 | Valeo Systemes Thermiques | Dispositif de chauffage electrique de fluide pour vehicule automobile, circuit de chauffage et appareil de chauffage et/ou de climatisation associes |
CN109770695B (zh) * | 2017-11-10 | 2024-11-29 | 广州胜维电器制造有限公司 | 食物加工锅 |
DE102018119137B4 (de) | 2018-08-07 | 2021-08-19 | Pac Tech-Packaging Technologies Gmbh | Verfahren und Vorrichtung zur Reparatur einer Prüfkontaktanordnung |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US494104A (en) * | 1893-03-21 | Glove-fastening | ||
US530430A (en) * | 1894-12-04 | Thermal circuit-breaker | ||
US839255A (en) * | 1905-05-05 | 1906-12-25 | Simplex Electric Heating Co | Circuit-opening device for electric heaters. |
US854396A (en) * | 1907-01-14 | 1907-05-21 | Simplex Electric Heating Co | Safety attachment for electrically-heated vessels. |
US1804885A (en) * | 1929-01-21 | 1931-05-12 | Mccartney Robert Faulkner | Electrical immersion heater |
US2626340A (en) * | 1948-02-11 | 1953-01-20 | Knapp Monarch Co | Safety fuse for room heaters and the like |
US3423567A (en) * | 1966-12-08 | 1969-01-21 | Fieldcrest Mills Inc | Electrically heated bedcovering |
FR2521770B1 (fr) * | 1982-02-17 | 1986-10-17 | Seb Sa | Coupe-circuit thermique pour appareils a chauffage electrique |
US4494104A (en) * | 1983-07-18 | 1985-01-15 | Northern Telecom Limited | Thermal Fuse |
JPS60193222A (ja) * | 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 | 温度ヒユーズ |
GB2205455A (en) * | 1987-05-29 | 1988-12-07 | Crystalate Electronics | Thermal fuse |
US5084691A (en) * | 1990-10-01 | 1992-01-28 | Motorola, Inc. | Controllable fuse |
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 |
DE19809149C2 (de) * | 1998-03-04 | 2001-09-27 | Trw Automotive Electron & Comp | Sicherung, insbesondere für die Kraftfahrzeugtechnik |
JP3377031B2 (ja) * | 1998-06-05 | 2003-02-17 | 矢崎総業株式会社 | 回路保護素子の接続構造 |
JPH11353993A (ja) * | 1998-06-09 | 1999-12-24 | Daifuku Co Ltd | 端子台 |
JP2000113783A (ja) * | 1998-10-08 | 2000-04-21 | Osaka Gas Co Ltd | 面状温度ヒューズ |
-
2002
- 2002-10-09 DE DE10248066A patent/DE10248066A1/de not_active Withdrawn
-
2003
- 2003-09-17 EP EP03020988A patent/EP1408524B1/de not_active Expired - Lifetime
- 2003-09-17 AT AT03020988T patent/ATE293281T1/de not_active IP Right Cessation
- 2003-09-17 ES ES03020988T patent/ES2240898T3/es not_active Expired - Lifetime
- 2003-09-17 DE DE50300438T patent/DE50300438D1/de not_active Expired - Lifetime
- 2003-10-07 US US10/680,270 patent/US6940052B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20040069763A1 (en) | 2004-04-15 |
US6940052B2 (en) | 2005-09-06 |
DE50300438D1 (de) | 2005-05-19 |
ATE293281T1 (de) | 2005-04-15 |
ES2240898T3 (es) | 2005-10-16 |
DE10248066A1 (de) | 2004-04-22 |
EP1408524A1 (de) | 2004-04-14 |
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DE1996119U (de) | Temperaturbegrenzungsschalter. |
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