EP0678891B1 - Stromabhängiger Schalter - Google Patents
Stromabhängiger Schalter Download PDFInfo
- Publication number
- EP0678891B1 EP0678891B1 EP95105956A EP95105956A EP0678891B1 EP 0678891 B1 EP0678891 B1 EP 0678891B1 EP 95105956 A EP95105956 A EP 95105956A EP 95105956 A EP95105956 A EP 95105956A EP 0678891 B1 EP0678891 B1 EP 0678891B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- snap
- disc
- switch
- bimetallic
- resistance
- 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
- 230000001419 dependent effect Effects 0.000 title claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 4
- 239000010951 brass Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000009834 vaporization Methods 0.000 claims 1
- 230000008016 vaporization Effects 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052790 beryllium Inorganic materials 0.000 description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003716 rejuvenation Effects 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000784 Nomex Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000000541 cathodic arc deposition Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
- H01H71/164—Heating elements
-
- 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
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
Definitions
- the present invention relates to a bimetal switch, in particular a current-dependent switch, with a bimetal disc and a snap disk that can be switched by the bimetal disk, the one in a closed position of the switch Current flow causes and in an open position the current flow interrupts, with bimetallic and snap disks both in one Housing are arranged, as well as arranged in the circuit and resistance element formed on the snap disk, that occurs when a specified current flow is exceeded heats up in such a way that the bimetallic disc moves from a low temperature switches to a high temperature position.
- Such a bimetal switch is from DE-OS 41 42 716 known.
- the resistance element is on unadjusted element that is not mechanical adjustment is accessible.
- the resistance element is on unadjusted element that is not mechanical adjustment is accessible.
- the resistance element is on unadjusted element that is not mechanical adjustment is accessible.
- the resistance element is on unadjusted element that is not mechanical adjustment is accessible.
- the resistance element is on unadjusted element that is not mechanical adjustment is accessible.
- the resistance element is on unadjusted element that is not mechanical adjustment is accessible.
- laser radiation be influenced in terms of its resistance.
- snap disc independent resistance elements While this document is in detail with the snap disc independent resistance elements, disclosed they also one designed as a resistance element Snap disc.
- This snap disc is designed as a four-leg spring, be formed as a round punch or as an etched part, the after appropriate material deformation has elastic capabilities and e.g. via concentric semicircular webs with connecting material bridges between the individual semicircular webs. Through several semicircular webs, the Snap disc may be possible as a resistance element.
- switches are known in configurations in which the snap disk is live when the switch is closed Is part and therefore low electrical resistance having. It consists of a material of high specific Conductivity, such as copper beryllium in particular, is preferred silver plated. This is known from DE-OS 21 21 802 In this form, switches are used as temperature switches. To form the switch as a current-dependent switch Switch becomes a resistance heating element on the outside of the housing attached, e.g. in the form of a hybrid resistor.
- this heating element has a significant heating capacity of up to 14 watts needed to turn the switch in sufficiently short time of at most 20, but preferably less than 14 seconds in the event of excessive current flow to open, the high current flow, for example a short circuit of one to be protected by the switch Motor can be done.
- this object is achieved with a switch type mentioned solved in that the snap disc from material of low electrical conductivity, e.g. from steel or measurement, and that an increase in resistance the snap disc by material rejuvenation, preferably by Slots in the area of edges of the snap disk is effected.
- the object on which the invention is based is achieved in this way completely solved.
- This is a mechanical, one-piece solution, so to speak lets the setting of the Resistance of the snap disc without the mechanical Properties are noticeably changed.
- the material rejuvenation which are preferably provided as slots e.g. by creating simple punching jobs that are quick and can be carried out inexpensively.
- the snap disc is preferably exclusively from low electrical material Conductivity, e.g. made of steel, in particular made of CrNiAl steel or brass. Another advantage this training consists in the fact that an airway between upper and underside of the discs is formed, so that in the switching case Allow air to pass through the openings or slots provided can. On the other hand, through these openings or Slit the snap properties of the snap disk only insignificant or not influenced at all.
- the present task with a bimetal switch of the type mentioned in the introduction solved that the snap disc comprises a snap part on the as a resistance element a resistance layer with a defined Resistance is applied.
- the resistance layer can be made of a highly conductive material exist, but be designed so that the desired defined, Relatively high resistance to the current path is given.
- the resistance layer is preferably not on the entire surface the snap part, but have a structure, for example in the form of conductor ribs, meander guides or the like.
- the snap properties and the resistance properties are structurally separated and associated with various elements that are linked together are. This allows both properties to be viewed with high accuracy can be set reproducibly, especially for the Resistance of the resistance layer applies.
- the resistance element has a contact resistance> 50 mOhm, whereby in further training of contact resistance at more than 100, in particular should be in the range of 200 mOhm.
- the snap part has a very high has specific resistance.
- the snap part by intermediate layer an insulation layer is provided with the resistance layer, wherein the insulating layer the snap part against current flow isolated.
- the resistance layer due to anodic arc evaporation on the snap part is applied.
- the recently known anodic arc evaporation allows even flexible materials coat. This process involves an arc discharge between a cathode and one of the coating material existing anode generated, the coating material in Arc evaporates and then on the one to be coated Deposits surface.
- the anodic Vacuum arc generate a gas and droplet-free plasma, so that a highly pure, even layer is deposited.
- all possible Materials not just metals from aluminum to tin, but also alloys and high-melting elements such as tungsten or Deposit carbon. Beyond that, reactive evaporation also produce ceramic layers, what for Aluminum, silicon or titanium consciously in an oxygen or Nitrogen atmosphere can be evaporated.
- the mechanical snap properties produced in a conventional manner has corresponding resistance elements be deposited or deposited, their total resistance determined by the geometric shape and the thickness of the layer is.
- a particular advantage here is that the anodic Arc evaporation creates resistance layer so firmly the surface of the snap disc binds that even when very many operations of the snap disc the fixed connection between the resistance layer and the snap disc as well as the The resistance value of the resistance layer itself is retained. In other words, even after many switching operations of the new one The bimetallic switch does not jump off the resistance layer Snap disc off.
- the resistance layer does not get either Cracks or similar mechanical damage as in other coating methods are known when the carrier material or substrate is flexible and its shape is frequent changes.
- the bimetallic and Snap disc are clamped on one side and on their opposite end of the snap disc a contact button a preferred embodiment provides that the switch is axially symmetrical and bimetallic disc as well Snap disk are circular.
- the snap disc with its outer peripheral edge in a low temperature position in a floor area of a conductive housing and presses with its inner peripheral edge against the collar of a movable contact button and over this the contact button against a stationary counter contact that is on an insulated from the lower housing part, conductive lid is also formed.
- the bimetal disc also surrounds the movable contact button in a ring shape, on the side opposite the snap disc the covenant of the contact button.
- the switch as a self-locking switch with one made of bimetal and Snap disc formed rear derailleur connected in parallel Resistance of lower electrical conductivity is formed is. This included the application of the invention to the Snap disc provided resistance element at a such self-locking switch.
- the bimetal switch 1 has in the illustrated Embodiment a cup-shaped housing 2 from electrically conductive material.
- a snap disk 3 is located with its outer peripheral edge on the inside of the peripheral edge of the housing and presses a middle opening with it surrounding edge against the collar of a contact button 4.
- On the snap disc 3 facing away from the federal government 4a Contact button 4 is a bimetallic disc 6, which in the Fig. 1 shown in its de-energized low temperature position is.
- the housing 2 is also electrically conductive Cover 7 closed by the housing pot 2 through an insulating film 8, such as preferably made of Kapton, electrically is isolated. There is an insulating washer on the cover 7 9, as from Nomex.
- Located on the inside of the lid 7 there is a stationary contact in the middle 11.
- the snap disc 3 presses switch 1 in the closed position shown Contact 4 against the stationary counter contact via the collar 4a 11. This creates an electrically conductive connection between the housing 2 and the cover 7 via the snap disk 3, contact 4 and mating contact 11 made.
- the switch 1 as such in the illustrated embodiment acts as a power switch
- the snap disc 3 made of a material with a relatively high specific resistance or low specific electrical conductivity. While for example with conventional temperature switches that are on attract external temperatures, the snap disc made of silver-plated Copper beryllium can be used for the illustrated Power switch according to the invention, the snap disk 3 made of steel or brass, possibly silvered, consist of the opposite Copper has a much higher specific resistance, namely a specific one, in particular four to eight times as high Can have resistance.
- the bimetallic disc 6 In normal operation, where a designated, not too high current flows, the bimetallic disc 6 is in it low temperature position shown. Press in this position the spring snap disk 3 the contact button 4 against the counter contact 11, so that, as I said, the current flow from the lower housing part to the lid is ensured. If against that Overcurrent part to be protected, such as a motor or more precisely whose coil winding, an error occurs, for example a short-circuit connection, the increases Current flow through the switch 1 and in particular through the Snap disk 3; this heats up due to its relative high resistance, which causes a temperature in the housing which is above the switching temperature of the bimetal disc 6 lies.
- the snap disc 3 is multilayered.
- a snap part 13 made of a material with very high specific resistance on which one exactly Defined resistance coating 14 is applied, which for Contacting in the outer edge area, if necessary, around the outer Edge of the snap part 13 can be led around, as in 16 is shown.
- the coating 14 must be the snap part 13 do not cover completely, but can, for example, with an inner peripheral edge radiating outwards be formed, the edge region 16 in turn around the entire scope. This can cause resistance between the outer edge 16 and the inner, on the collar 4a of Contact 4 (Fig. 1) adjacent edge of the snap disk 3 extremely can be set precisely.
- a snap part 17 itself a material with good conductivity or low specific Train resistance.
- the snap part 17 itself has no continuous electrical Connection between the housing 2 and the contact 4 (Fig. 1) manufactures.
- the resistance layers 14, 21 are, for example, by anodic Arc evaporation on the snap part 13 or the insulating Coating 18 deposited.
- This new coating process leads to a very good mechanical connection between the resistance layer 14, 21 and the snap part 13 or the insulating coating 18, even with a large Number of switching operations of the snap disk 3 neither mechanically still suffers electrically.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
- Electronic Switches (AREA)
- Push-Button Switches (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
- Fig. 1
- eine erste Ausführungsform des erfindungsgemäßen Schalters im Schnitt;
- Fig. 2
- eine Draufsicht auf eine spezielle Ausbildung einer erfindungsgemäßen Schnappscheibe;
- Figuren 3 und 4
- Schnitte durch andere Ausführungsformen einer erfindungsgemäß verwendeten Schnappscheibe.
Claims (8)
- Bimetallschalter, insbesondere stromabhängiger Schalter (1), mit einer Bimetallscheibe (6) und einer von der Bimetallscheibe (6) schaltbaren Schnappscheibe (3), die in einer Schließstellung des Schalters (1) einen Stromfluß bewirkt und in einer Öffnungsstellung den Stromfluß unterbricht, wobei Bimetall- und Schnappscheibe (6, 3) beide in einem Gehäuse (2) angeordnet sind, sowie mit einem im Stromkreis angeordneten und an der Schnappscheibe ausgebildeten Widerstandselement (3; 14, 21), das sich bei Überschreiten eines vorgegebenen Stromflusses derart aufheizt, daß die Bimetallscheibe (6) von einer Niedertemperatur- in eine Hochtemperaturstellung umschaltet, dadurch gekennzeichnet, daß die Schnappscheibe (3) aus Material geringer elektrischer Leitfähigkeit, z.B. aus Stahl oder Messing besteht, und daß eine Erhöhung des Widerstandes der Schnappscheibe (3) durch Materialverjüngung, vorzugsweise durch Schlitze (12) im Bereich von Rändern der Schnappscheibe (3) bewirkt ist.
- Bimetallschalter, insbesondere stromabhängiger Schalter (1), mit einer Bimetallscheibe (6) und einer von der Bimetallscheibe (6) schaltbaren Schnappscheibe (3), die in einer Schließstellung des Schalters (1) einen Stromfluß bewirkt und in einer Öffnungsstellung den Stromfluß unterbricht, wobei Bimetall- und Schnappscheibe (6, 3) beide in einem Gehäuse (2) angeordnet sind, sowie mit einem im Stromkreis angeordneten und an der Schnappscheibe ausgebildeten Widerstandselement (3; 14, 21), das sich bei Überschreiten eines vorgegebenen Stromflusses derart aufheizt, daß die Bimetallscheibe (6) von einer Niedertemperatur- in eine Hochtemperaturstellung umschaltet, dadurch gekennzeichnet, daß die Schnappscheibe (3) ein Schnappteil (13, 17) umfaßt, auf das als Widerstandselement eine Widerstandsschicht (14, 21) mit definiertem Widerstand aufgebracht ist.
- Schalter nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Widerstandselement einen Übergangswiderstand > 50 mOhm hat.
- Schalter nach Anspruch 3, dadurch gekennzeichnet, daß das Schnappteil (13) einen sehr hohen spezifischen Widerstand aufweist.
- Schalter nach Anspruch 3, dadurch gekennzeichnet, daß das Schnappteil (17) durch Zwischenlage einer Isolierschicht (18) mit der Widerstandsschicht (21) versehen ist, wobei die Isolierschicht (18) das Schnappteil (17) gegen Stromfluß isoliert.
- Schalter nach einem der Ansprüche 2 - 5, dadurch gekennzeichnet, daß die Widerstandsschicht (14, 21) durch anodische Lichtbogen-Verdampfung auf das Schnappteil (13, 17) aufgebracht ist.
- Schalter nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß er achssymmetrisch ausgebildet ist und Bimetallscheibe (6) sowie Schnappscheibe (3) kreisringförmig ausgebildet sind.
- Schalter nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß er als selbsthaltender Schalter (1) mit einem zu dem aus Bimetall- und Schnappscheibe (6, 3) gebildeten Schaltwerk parallel geschalteten Widerstand geringerer elektrischer Leitfähigkeit ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9406806U DE9406806U1 (de) | 1994-04-23 | 1994-04-23 | Bimetallschalter, insbesondere stromabhängiger Schalter |
DE9406806U | 1994-04-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0678891A1 EP0678891A1 (de) | 1995-10-25 |
EP0678891B1 true EP0678891B1 (de) | 1999-02-17 |
Family
ID=6907765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95105956A Expired - Lifetime EP0678891B1 (de) | 1994-04-23 | 1995-04-21 | Stromabhängiger Schalter |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0678891B1 (de) |
AT (1) | ATE176832T1 (de) |
DE (2) | DE9406806U1 (de) |
DK (1) | DK0678891T3 (de) |
ES (1) | ES2130462T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112012002681B4 (de) | 2011-06-28 | 2018-06-14 | Uchiya Thermostat Co., Ltd. | Motorschutzschalter |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2920103B2 (ja) * | 1996-01-29 | 1999-07-19 | ウチヤ・サーモスタット株式会社 | サーマルプロテクタ |
DE19604939C2 (de) * | 1996-02-10 | 1999-12-09 | Marcel Hofsaes | Schalter mit einem temperaturabhängigen Schaltwerk |
FR2772980B1 (fr) * | 1997-12-19 | 2000-01-21 | Schneider Electric Sa | Dispositif de declenchement magneto-thermique et disjoncteur equipe de ce dispositif |
EP2194555A1 (de) * | 2008-12-04 | 2010-06-09 | Abb Ag | Auslöser für eine Installationsschaltvorrichtung |
DE102011016142A1 (de) * | 2011-03-25 | 2012-09-27 | Marcel P. HOFSAESS | Temperaturabhängiger Schalter mit Stromübertragungsglied |
DE102013102089B4 (de) * | 2013-03-04 | 2015-02-12 | Marcel P. HOFSAESS | Temperaturabhängiger Schalter mit Isolierscheibe |
DE102013109291A1 (de) * | 2013-08-27 | 2015-03-05 | Thermik Gerätebau GmbH | Temperaturabhängiger Schalter mit am Rand eingeklemmter Schnappscheibe |
IT202100018779A1 (it) | 2021-07-15 | 2023-01-15 | Miotti S R L | Dispositivo limitatore di temperatura |
IT202100018770A1 (it) | 2021-07-15 | 2023-01-15 | Miotti S R L | Dispositivo limitatore di temperatura |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2121802C3 (de) * | 1971-05-03 | 1974-10-24 | Thermik-Geraetebau Gmbh + Co, 7530 Pforzheim | Temperaturwächter |
DE2917482C2 (de) * | 1979-04-30 | 1982-11-25 | Peter 7530 Pforzheim Hofsäss | Übertemperaturschutzschalter |
DE3680702D1 (de) * | 1985-05-04 | 1991-09-12 | Inter Control Koehler Hermann | Thermisch gesteuertes elektrisches schaltelement, insbesondere temperaturregler oder temperaturbegrenzer. |
DE3710672C2 (de) * | 1987-03-31 | 1997-05-15 | Hofsaes Geb Zeitz Ulrika | Temperaturwächter mit einem Gehäuse |
DE4142716C2 (de) * | 1991-12-21 | 1997-01-16 | Microtherm Gmbh | Thermoschalter |
-
1994
- 1994-04-23 DE DE9406806U patent/DE9406806U1/de not_active Expired - Lifetime
-
1995
- 1995-04-21 DK DK95105956T patent/DK0678891T3/da active
- 1995-04-21 ES ES95105956T patent/ES2130462T3/es not_active Expired - Lifetime
- 1995-04-21 AT AT95105956T patent/ATE176832T1/de not_active IP Right Cessation
- 1995-04-21 DE DE59505108T patent/DE59505108D1/de not_active Expired - Fee Related
- 1995-04-21 EP EP95105956A patent/EP0678891B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112012002681B4 (de) | 2011-06-28 | 2018-06-14 | Uchiya Thermostat Co., Ltd. | Motorschutzschalter |
Also Published As
Publication number | Publication date |
---|---|
EP0678891A1 (de) | 1995-10-25 |
DE59505108D1 (de) | 1999-03-25 |
DK0678891T3 (da) | 1999-05-10 |
DE9406806U1 (de) | 1995-06-01 |
ES2130462T3 (es) | 1999-07-01 |
ATE176832T1 (de) | 1999-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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