EP0993015B1 - Schalteinrichtung für eine elektrische Heizeinrichtung - Google Patents
Schalteinrichtung für eine elektrische Heizeinrichtung Download PDFInfo
- Publication number
- EP0993015B1 EP0993015B1 EP99119587A EP99119587A EP0993015B1 EP 0993015 B1 EP0993015 B1 EP 0993015B1 EP 99119587 A EP99119587 A EP 99119587A EP 99119587 A EP99119587 A EP 99119587A EP 0993015 B1 EP0993015 B1 EP 0993015B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- switching device
- rod
- switch
- actuating part
- 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
- 238000005485 electric heating Methods 0.000 title claims 2
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims 1
- 210000002414 leg Anatomy 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000002241 glass-ceramic Substances 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000005028 tinplate Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid
- H01H37/48—Thermally-sensitive members actuated due to expansion or contraction of a solid with extensible rigid rods or tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/12—Means for adjustment of "on" or "off" operating temperature
- H01H37/22—Means for adjustment of "on" or "off" operating temperature by adjustment of a member transmitting motion from the thermal element to contacts or latch
Definitions
- the invention relates to a switching device according to the preamble of Claim 1 for an electric heater.
- EP-A-0225490 shows a switching device of the aforementioned type.
- An actuator for the switch is here with a spring element connected by spot welding.
- Another switching device of the aforementioned type is, for example known from DE-OS 28 39 161.
- This points as an actuator a one-sided lever through which a rod-shaped Longitudinal element is guided. A fixation takes place via a coil spring supported on the base, the lever against a screw thread at the end of the Stab led mother presses. The on the screw thread of the Stabes running mother serves as an adjustment device.
- two actuating pins are used, each in face the opposite direction and press two switches.
- the invention has for its object a aforementioned Switching device to create the disadvantages of the stand the technology avoids, in particular reduces the assembly effort and enables reliable operation.
- An actuator can leaf spring on the Support the base, especially with both end areas Increase the spring effect.
- the longitudinal element can on the Attack actuator, preferably at least has an actuating part for contact with the switch.
- Spring element and the at least one actuating part and / or the actuating device are made from a single piece of material.
- a particularly simple design can be made from a flat material worked out and shaped accordingly by bending.
- a Another possibility is, for example, a firm connection by gluing or welding, possibly also pressing.
- a One-piece covers the items in the installed state can act as a single part, the individual parts in at least a positive connection in a direction other than the assembly direction exhibit.
- the spring element is preferably designed as a compression spring in order to achieve a precise To ensure work.
- the spring element is preferably like a leaf spring.
- a leaf spring is advantageous with both end areas or ends held in the base, in particular by spring force caused concern in investment areas.
- a leaf spring can be beneficial essentially transverse to the direction of expansion of the temperature sensor run, whereby unwanted shear forces or the like are avoided can.
- the temperature sensor is particularly preferably located or grips approximately in the center on the leaf spring so that it is loaded evenly.
- the actuator runs advantageously in the vicinity of the temperature sensor, in particular it is arranged approximately in the middle of the leaf spring.
- the actuating part advantageously has two protruding from the spring element Legs to rest on the switch, in particular it is in approximately U-shaped.
- the U-shaped legs are preferred rotated by approx. 90 ° to the longitudinal extension of the leaf spring.
- the thigh can each be led to different switches, preferably lying them at the same switch.
- the temperature sensor can point directly into the U-shape or walk into it.
- a mechanical connection between the temperature sensor is preferred and an adjustable actuator Transmission, in particular an adjustment device.
- the Adjustment device advantageously engages the temperature sensor at, especially at its end.
- the Adjustment device on the longitudinal element over the pipe can survive.
- a preferred storage option for the adjustment device is on the actuator, in particular it is on it attached. In one execution option, it can be in the Attack or center the center of a U-shaped operating part be included.
- the spring element a receptacle for the adjusting device a, especially with a one-piece training of Spring element and actuating part.
- a holder for the adjustment device can be a thread for be an adjustment screw, preferably in the direction of Longitudinal element and / or in the direction of actuation of the switch runs. By changing the pitch of the adjusting screw the adjustment accuracy can be varied.
- the transmission of the actuating force can be done through the switch and / or the switching spring, in particular through a corresponding breakthrough, but not for reasons of stability should be open towards the edge.
- the longitudinal element can be carried out or on the other hand the adjustment device or an adjustment screw.
- the longitudinal element is at least partially advantageous as a rod executed, especially completely as a rod. He's with you Temperature sensor, the various heating areas a heater covered, possible, each a heating area with a bar area or separate bar assign coordinated properties. The bars are then arranged one after the other in the tube so that their individual dimensions become an overall dimension can add.
- the longitudinal element is particularly preferred but designed as a one-piece rod.
- the longitudinal element has a lower coefficient of expansion on as the pipe, as material, e.g. Ceramics or Glass on.
- the at least one Actuating part essentially embrace the rod, preferably rest in the end area.
- a guide for the rod especially for Securing the rod against unintentional movement across Operating direction.
- a positive connection between Actuating part in a plane transverse to the direction of actuation can cause unwanted movement of the parts against each other prevent.
- a guide can be at least as inflection an actuating part towards the rod. The inflection is preferably with one Outside diameter of the rod corresponding recess provided in or along which the rod runs.
- a Guiding through an adjusting screw can be more extensive than the rod tubular section, for example as a bore be formed in the end face of the adjusting screw.
- a so-called overpressure protection of the switch can thereby be realized that the operating part in the operating direction has a certain elasticity. This can be done by achieved at least one S-shaped or Z-shaped bend are, preferably as a bend in the manner of a spring knee, which combined with a guide described above can be.
- the leaf spring is preferably in the base in a receiving chamber stored, which in particular essentially opposed the direction of actuation for the Has leaf spring.
- the receiving chamber can the contact areas in the direction of deflection of the leaf spring expand.
- the leaf spring is preferably in continuous Base walls that serve as investment areas and limit enlargement.
- the extension in is preferred approximately symmetrical, in particular symmetrical to one along the Actuating level.
- the material for the base is suitable due to heat, Strength and insulation reasons especially ceramic material, for example steatite.
- the base can do that Form housing for the switching device and all walls and have supports, whereby it is only by a simple, essentially flat lid is to be covered.
- Fig. 1 shows a switching device 11 according to the invention has a base 12 which contains all components or carries.
- the base 12 can on not shown Way, for example by means of twist tabs and Intervention cams on a tin plate edge shown in dashed lines 13 one containing a radiant heater Tin plates are attached.
- a stick-shaped protrudes Temperature sensor 15 at least partially in a known manner over the radiator, preferably over most of it.
- the temperature sensor 15 consists of an outer tube 16 and a rod 17 running therein.
- the embodiment is the rod 17 made of ceramic material and the outer tube 16 made of a metal with much higher Expansion coefficient.
- the upper end of the outer tube 16 has a transversely projecting collar 18 with which it is fixed is connected and in the lateral receiving slots 19th engages to fix the tube 16.
- the rod 17 is in the example shown a piece over the collar 18 of the Tube 16 over.
- the tube 16 is closed, the rod 17th is either firmly clamped to the pipe end or is attached.
- a snap switch 22 which has a free end 23 on one Switch carrier 24 is attached. With one between two Spring legs 26 centrally running spring clip 27, the is supported on a bearing 28 of the switch carrier 24 the snap effect of the snap switch described below 22 scored. At its other free end it carries Snap switch 22 an upward switching contact head 30, which is opposite a mating contact head 32, which is attached to a plug connection lug 37.
- the switch carrier 24 is attached both by engagement of the the free end 23 of the snap switch 22 carrying area in a suitable recess of the base 12 and through the Course of a connecting tab 31 through an implementation in the base 12.
- the connecting tab 31 is used together with a second connecting tab 40 and a second connected thereto Plug-in tab 43 for electrical contacting a heating, not shown, via the connecting lugs.
- the Switch 22 interrupts the connection between the plug connector lug 37 nd connecting strap 31, Fig. 1 shows the interrupted state.
- Both the switch carrier 24 and the snap switch 22 have an overlapping breakthrough that in Extension of the rod 17 lies. On both sides of this Breakthrough has the snap switch 22 two by bending manufactured bumps 29 on.
- the room in which the snap switch 22 sits is in the outside to in a receiving chamber 33 for a leaf spring 34 as Spring element over.
- An extension closes to the outside 35 to the receiving chamber 33 into which the leaf spring 34 is bent.
- the extension is approximately triangular formed, symmetrical to the longitudinal axis of the rod 17th and opens into an opening 36.
- An adjusting screw 38 is in the center of the leaf spring 34 stored, preferably by a mounted in the leaf spring 34 Thread.
- the upper end of the adjusting screw 38 is through the opening 36 even when the base 12 is closed Adjustment of the switching device 11 accessible.
- the screw tip 39 abuts the rod end 21, being rounded or is spherical.
- the screw tip 39 with a tubular section as a guide Bar end 21 overlap a certain distance to slip off to avoid.
- a tip or a mandrel is also possible the screw tip 39, which in a recess on the front side engage the rod end 21 and the same effect demonstrate.
- the leaf spring has on both sides of the adjusting screw 38 34 an outgoing, angled down leg 41 as Actuator on.
- the legs 41 lie with their lower edge 42 in the switching state shown on the switching heads 29 of the snap switch 22.
- the switching device shown in Fig. 1 works in essential as follows:
- the adjusting screw is pressed by the tensioned leaf spring 34 38 the rod 17 against the end of the outer tube 16.
- the state of the heating is the deflection of the leaf spring 34 such that the legs 41 and the lower edge 42 a good one Piece above the snap switch 22 or the switch block 29 lie.
- the snap switch 22 is at its free end 23 attached to the switch carrier 24 such that the spring legs 26 above the system of the spring clip 27 on the Bearing 28 run and the switch contact head 30 on the Mating contact head 32 abuts.
- the heater If the heater is now put into operation, it develops Heat through which the outer tube 16 is much stronger expands as the rod 17. This means that the rod end 21 to move away from the leaf spring 34 on the collar 18. This allows the leaf spring 34 to relax and down the legs 41 move towards the snap switch 22.
- At a certain adjustable temperature with a corresponding expansion of the outer tube 16 can by Turn the adjusting screw 38 to set the point exactly be on which the leg 41 by abutment on the switch blocks 29 the spring legs 26 under the contact of the spring clip 27 pressed on the bearing 28. Since this is the Is the switching point or snap point of the snap switch 22, the spring clip 27 abruptly presses the end with the switch contact head 30 away from the mating contact head 32 downwards. The switch is therefore at an adjustable temperature been triggered.
- An application example is an overtemperature protection for radiant heating under a glass ceramic hob, which, for example, at a temperature of should start at approx. 650 ° C.
- the power supply to the heater is interrupted and the risk of overheating the glass ceramic avoided.
- the subsequent cooling of the outer tube 16 pulls it back together, pushes the rod 17 up, which again the leaf spring 34 and thus the leg 41 after moved away from the switch holes 29 above and a new one Closing the switch 22 causes.
- FIG. 2 An embodiment variant of the legs 41 of the leaf spring 34 is shown in Fig. 2. That of the essentially elongated rectangular leaf spring 34 outgoing Legs 41 have a bend 44 in their course, which is designed like a spring knee. Behind the Bend 44 the legs 41 diverge again, but with a smaller distance from each other than before the inflection 44. Bends 44 are especially in such designs advantageous in which the rod 17 between the Leg 41 is enough.
- the rod arcuate recess 46 On the inner edge 45 of the bend 44 is one in the direction of the rod arcuate recess 46 attached in which the Rod 16 runs out.
- Recesses 46 so deep that the inner edges 45 of the Bend 44 to each other to about half the rod diameter approach. This is a wrap that is considered sufficient of the rod 16 possible, the rod in the transverse direction secures against movement relative to the legs 41.
- the Recesses 46 can with a certain force on the Rod 17 abut, since a relative movement between the rod and Legs only occur during the adjustment process.
- spring-loaded bends 44 Another advantage of the spring-loaded bends 44 is that there is a certain spring action between the Adjusting screw 38 or rigid with it in the direction of the rod connected upper part of the legs 41 and the lower sections the leg 41 or the lower edges 42 possible is. This can overpress the snap switch 22 avoid or at least partially reduce. However, in order to The suspension should not guarantee precise switching be too soft.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Control Of Resistance Heating (AREA)
- Thermally Actuated Switches (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Electric Stoves And Ranges (AREA)
Description
- Fig. 1
- eine Draufsicht auf eine erfindungsgemäße Schalteinrichtung mit einer Blattfeder, die zwei einen Schalter betätigende Schenkel als Betätigungsteil aufweist und
- Fig. 2
- eine Schrägansicht einer Abwandlung der Blattfeder aus Fig. 1 mit Schenkeln, die eine nach innen gezogene Einbiegung zur Führung eines Stabes des Temperaturfühlers aufweisen.
Claims (12)
- Schalteinrichtung für eine elektrische Heizeinrichtung mit einem im wesentlichen stabförmigen Temperaturfühler (15), der aus einem Rohr (16) und einem darin verlaufenden Längselement (17) besteht, wobei Rohr (16) und Längselement (17) unterschiedliche thermische Ausdehnungskoeffizienten aufweisen, und mit wenigstens einem von dem Temperaturfühler (15) betätigten, in einem Sockel (12) angeordneten Schalter (22) mit einer Schaltfeder (26), insbesondere einer Schnappfeder, wobei der Temperaturfühler (15) den Schalter (22) über eine von der Schaltfeder (26) gesonderte Betätigungseinrichtung auslöst, die wenigstens ein Betätigungsteil (41) aufweist, das entlang der Betätigungsrichtung durch ein Federelement (34) belastet ist, wobei das wenigstens eine Betätigungsteil (41) mit dem Federelement (34) einteilig ausgebildet ist, dadurch gekennzeichnet, daß das Federelement (34) und das wenigstens eine Betätigungsteil (41) und/oder die Betätigungseinrichtung aus einem einzigen Materialstück herausgearbeitet sind.
- Schalteinrichtung nach Anspruch 1, gekennzeichnet durch eine Betätigungseinrichtung, die sich blattfederartig an dem Sockel (12) abstützt, insbesondere mit beiden Enden, und an der das Längselement (17) angreift, wobei sie vorzugsweise wenigstens ein Betätigungsteil (41) zur Anlage an dem Schalter (22) aufweist.
- Schalteinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Federelement (34) als Druckfeder ausgebildet ist.
- Schalteinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Federelement eine Blattfeder (34) ist, die vorzugsweise mit beiden Enden in dem Sockel (12) gehaltert ist, wobei sie insbesondere im wesentlichen quer zur Ausdehnungsrichtung des Temperaturfühlers (15) verläuft, wobei vorzugsweise der Temperaturfühler (15) in etwa mittig an der Blattfeder (34) angreift und/oder anliegt bzw. das wenigstens eine Betätigungsteil (41) in etwa mittig an der Blattfeder (34) angeordnet ist.
- Schalteinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das wenigstens eine Betätigungsteil zwei von dem Federelement (34) abstehende Schenkel (41) zur Anlage an dem Schalter (22) aufweist, wobei das Betätigungsteil (41) insbesondere U-förmig ausgebildet ist.
- Schalteinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Justiereinrichtung (38) eine mechanische Verbindung zwischen dem Temperaturfühler (45) und der Betätigungseinrichtung ist, wobei sie vorzugsweise an dem Temperaturfühler (15) angreift, insbesondere an dem Längselement (17).
- Schalteinrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Justiereinrichtung (38) an der Betätigungseinrichtung gelagert ist, insbesondere daran befestigt ist.
- Schalteinrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß das Federelement (34) eine Aufnahme für die Justiereinrichtung aufweist, insbesondere ein Gewinde (48) für eine Justierschraube (38), wobei vorzugsweise die Justierschraube (38) in Richtung des Längselementes (17) und/oder in Betätigungsrichtung des Schalters (22) verläuft.
- Schalteinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Längselement ein Stab (17) ist, wobei insbesondere das wenigstens eine Betätigungsteil (41) im wesentlichen den Stab (17) umgreift, vorzugsweise an dem Endbereich des Stabes (17) außen anliegt, und eine Führung (46) für den Stab (17) bildet, insbesondere zur Sicherung gegen eine Bewegung des Stabes (17) quer zur Betätigungsrichtung.
- Schalteinrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Führung eine Einbiegung (44) des wenigstens einen Betätigungsteils zu dem Stab (17) hin ist, wobei die Einbiegung (44) vorzugsweise mit einer zu dem Außendurchmesser des Stabes (17) korrespondierenden Ausnehmung (46) versehen ist, mit der sie an dem Stab (17) anliegt.
- Schalteinrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das wenigstens eine Betätigungsteil (41) in Betätigungsrichtung eine Elastizität aufweist, insbesondere wenigstens eine Biegung, vorzugsweise als Einbiegung (44) nach Art eines Federknies.
- Schalteinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Blattfeder (36) in dem Sockel (12) in einer Aufnahmekammer (33) mit Anlagebereichen, die insbesondere im wesentlichen in Betätigungsrichtung weisen, gelagert ist, und die Aufnahmekammer (33) von den Anlagebereichen aus in Durchbiegungsrichtung der Blattfeder (36) erweitert ist, wobei die Erweiterung insbesondere in etwa symmetrisch ausgebildet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19846513 | 1998-10-09 | ||
| DE19846513A DE19846513A1 (de) | 1998-10-09 | 1998-10-09 | Schalteinrichtung für eine elektrische Heizeinrichtung |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0993015A2 EP0993015A2 (de) | 2000-04-12 |
| EP0993015A3 EP0993015A3 (de) | 2001-03-28 |
| EP0993015B1 true EP0993015B1 (de) | 2004-05-06 |
Family
ID=7883904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99119587A Expired - Lifetime EP0993015B1 (de) | 1998-10-09 | 1999-10-02 | Schalteinrichtung für eine elektrische Heizeinrichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6304165B1 (de) |
| EP (1) | EP0993015B1 (de) |
| AT (1) | ATE266253T1 (de) |
| DE (2) | DE19846513A1 (de) |
| ES (1) | ES2219975T3 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT409680B (de) * | 2001-04-17 | 2002-10-25 | Electrovac | Temperaturbegrenzer |
| AT412521B (de) | 2003-03-10 | 2005-03-25 | Electrovac | Temperaturfühler |
| EP1569257B1 (de) * | 2004-02-24 | 2006-07-12 | Electrovac, Fabrikation elektrotechnischer Spezialartikel Gesellschaft m.b.H. | Temperaturfühler |
| DE102005031069A1 (de) * | 2005-06-24 | 2007-01-11 | E.G.O. Elektro-Gerätebau GmbH | Elektromechanische Temperaturerfassung für ein Kochgerät und Verfahren zur Herstellung einer elektromechanischen Temperaturerfassung für ein Kochgerät |
| DE102005057105A1 (de) * | 2005-11-25 | 2007-05-31 | E.G.O. Elektro-Gerätebau GmbH | Temperaturerfassungseinrichtung für eine Heizeinrichtung sowie ein Verfahren zur Ansteuerung einer Heizeinrichtung |
| DE102006057260A1 (de) * | 2006-11-22 | 2008-05-29 | E.G.O. Elektro-Gerätebau GmbH | Schalteinrichtung für eine Heizeinrichtung |
| GB0717051D0 (en) * | 2007-09-01 | 2007-10-17 | Ceramaspeed Ltd | Temperature sensor |
| DE102009038960A1 (de) * | 2009-08-19 | 2011-02-24 | E.G.O. Elektro-Gerätebau GmbH | Temperaturfühler und Verfahren zur Justierung eines solchen Temperaturfühlers |
| KR101596938B1 (ko) | 2014-07-29 | 2016-02-23 | (주)에코에너지 기술연구소 | 전기 쿡탑용 온도조절 장치 |
| DE102018213625A1 (de) * | 2018-08-13 | 2020-02-13 | Siemens Aktiengesellschaft | Schaltanlagentemperaturmessung |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2496229A (en) * | 1948-05-08 | 1950-01-31 | Control Products Inc | Thermal switch |
| US2559372A (en) * | 1948-12-10 | 1951-07-03 | Howard A Rike | Thermostatic switch |
| US2721915A (en) * | 1950-09-08 | 1955-10-25 | Motor Wheel Corp | Electric switch control |
| US2705747A (en) * | 1954-01-28 | 1955-04-05 | Elsa L Strange | Temperature control instruments |
| US3029329A (en) * | 1959-07-13 | 1962-04-10 | Therm O Disc Inc | Thermostatic controls |
| US3004123A (en) * | 1960-04-28 | 1961-10-10 | Kenneth B Cannon | Thermally responsive actuator |
| US3194927A (en) * | 1962-07-31 | 1965-07-13 | Therm O Disc Inc | Fail-safe probe-type thermo-responsive electrical switch device |
| US3235691A (en) * | 1963-08-13 | 1966-02-15 | Honeywell Inc | Temperature responsive slip friction switch |
| US3243557A (en) * | 1964-03-06 | 1966-03-29 | Stewart Warner Corp | Thermally actuated control device having ceramic tubes with central heat expandible members |
| GB1079884A (en) * | 1964-07-31 | 1967-08-16 | Drayton Controls Ltd | Temperature responsive switching devices |
| US3899765A (en) * | 1974-07-31 | 1975-08-12 | Texas Instruments Inc | Thermally actuated switch |
| DE2839161A1 (de) * | 1978-09-08 | 1980-03-20 | Ego Regeltech | Temperaturbegrenzer fuer eine glaskeramik-kocheinheit |
| US4400679A (en) * | 1981-09-21 | 1983-08-23 | Therm-O-Disc, Incorporated | Snap acting switch for thermostats |
| AT376540B (de) * | 1983-01-05 | 1984-11-26 | Electrovac | Vorrichtung zur regelung bzw. begrenzung wenigstens eines temperaturwertes bzw. eines temperaturbereiches von strahlungs- bzw. kontaktheizkoerpern von elektrischen kochgeraeten |
| AT382708B (de) * | 1983-07-07 | 1987-04-10 | Electrovac | Vorrichtung zur regelung bzw. begrenzung wenigstens eines temperaturwertes bzw. eines temperaturbereiches von strahlungs- bzw. kontaktheizkoerpern |
| GB8324271D0 (en) * | 1983-09-10 | 1983-10-12 | Micropore International Ltd | Thermal cut-out device |
| DE3410442A1 (de) * | 1983-09-17 | 1985-09-26 | Ego Elektro Blanc & Fischer | Temperaturfuehler, insbesondere fuer einen temperaturbegrenzer fuer eine glaskeramik-kocheinheit |
| DE3540414A1 (de) * | 1985-11-14 | 1987-05-21 | Ego Elektro Blanc & Fischer | Temperaturbegrenzer |
| DE3705260A1 (de) * | 1987-02-19 | 1988-09-01 | Ego Elektro Blanc & Fischer | Temperaturbegrenzer |
| DE58908957D1 (de) * | 1988-06-25 | 1995-03-16 | Ego Elektro Blanc & Fischer | Temperaturschalter. |
| GB2263770B (en) * | 1992-01-23 | 1994-11-02 | Ceramaspeed Ltd | Device for controlling or limiting temperature in an electric cooking appliance |
| AT401114B (de) * | 1993-12-03 | 1996-06-25 | Electrovac | Temperaturregler |
-
1998
- 1998-10-09 DE DE19846513A patent/DE19846513A1/de not_active Withdrawn
-
1999
- 1999-10-02 EP EP99119587A patent/EP0993015B1/de not_active Expired - Lifetime
- 1999-10-02 AT AT99119587T patent/ATE266253T1/de not_active IP Right Cessation
- 1999-10-02 DE DE59909386T patent/DE59909386D1/de not_active Expired - Fee Related
- 1999-10-02 ES ES99119587T patent/ES2219975T3/es not_active Expired - Lifetime
- 1999-10-12 US US09/416,568 patent/US6304165B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6304165B1 (en) | 2001-10-16 |
| ATE266253T1 (de) | 2004-05-15 |
| ES2219975T3 (es) | 2004-12-01 |
| EP0993015A2 (de) | 2000-04-12 |
| EP0993015A3 (de) | 2001-03-28 |
| DE19846513A1 (de) | 2000-04-13 |
| DE59909386D1 (de) | 2004-06-09 |
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