EP2887764B1 - Appareil ménager et procédé de surveillance pour un appareil ménager - Google Patents
Appareil ménager et procédé de surveillance pour un appareil ménager Download PDFInfo
- Publication number
- EP2887764B1 EP2887764B1 EP14198582.0A EP14198582A EP2887764B1 EP 2887764 B1 EP2887764 B1 EP 2887764B1 EP 14198582 A EP14198582 A EP 14198582A EP 2887764 B1 EP2887764 B1 EP 2887764B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- feedback signal
- relay
- domestic appliance
- heating elements
- operating
- 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.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims description 29
- 238000000034 method Methods 0.000 title claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 110
- 239000004020 conductor Substances 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 description 16
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
- A47L15/0049—Detection or prevention of malfunction, including accident prevention
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4285—Water-heater arrangements
Definitions
- the present invention relates to a household appliance, for example a dishwasher, and a monitoring method for such a household appliance.
- Heating elements of household appliances can be controlled by means of relays.
- a circuit may consist of a safety relay and a respective working relay for each heating element.
- Existing processes use relays with changeover contacts to monitor the heating elements.
- One of the contacts can be used as a feedback signal.
- this arrangement is unfavorable in terms of robustness of the monitoring against false errors, since the contact used as a feedback signal must be used in the small signal range and thus is prone to oxide formation.
- Another possibility of monitoring is the measurement of the heating current of a heating element.
- the respective heating element must be completely switched to the mains in order to detect whether the heating element has burned out. Furthermore, this error can not be distinguished from a relay error.
- EP 2 386 806 B1 discloses a domestic appliance comprising a heating circuit for heating a fluid, wherein the fluid heating circuit comprises a heating element which can optionally be supplied with power to effect the heating of the fluid, and a monitoring unit for monitoring the operation of the heating circuit.
- the monitoring unit is configured to monitor at least one electrical potential inherent in the heating circuit, wherein the at least one electrical potential inherent in the heating circuit is at least one of an internal electrical potential connected to a first terminal of the heating element connected to an on / off switch of the heating circuit , and an internal electrical potential connected to a second terminal of the heating element connected to a power switch of the device or to a circuit breaker for switching off the heating circuit in case of malfunction of the on / off switch connected is detected.
- the monitoring unit is further configured to determine a value of the voltage of the power distribution network and calculate a first and a second electrical reference potential based on the detected value of the voltage of the power distribution network, comparing the at least one detected internal electrical potential with the first and second electrical reference potential, and Detecting a condition of proper operation or malfunction of the heating circuit, wherein the condition of malfunction is detected in the event that the at least one detected internal electric potential does not fall within a range of values lying between the first and second electrical reference potentials.
- EP 0 924 331 B1 discloses a safety circuit for a heating circuit of a washing machine, a dishwasher or a dryer, the heating circuit having a series circuit comprising a heating switch contact, a heating resistor and a safety switch.
- a monitoring arrangement monitors the heating circuit for faults and, in the event of an error, causes the heating circuit or the machine to be shut down.
- an object of the present invention is to provide an improved monitoring of a household appliance.
- a household appliance in particular a water-conducting household appliance is proposed, which is at least two heating elements, wherein a respective heating element of the at least two heating elements is coupled via a respective first node to a respective working relay for driving the respective heating element, wherein the first node via a feedback device for providing a common working relay feedback signal are high impedance coupled, and having a monitoring device for monitoring the provided work relay feedback signal to detect a fault condition of the household appliance.
- heating elements can be controlled in this way in the household appliance, taking into account the functional safety. Detecting an error condition, and in particular a fault diagnosis, can result in an unsafe one Operation of the household appliance can be avoided. Since the monitoring device does not receive a feedback signal from a contact of a relay, the monitoring is robust with respect to fake errors. The switching state of the relay can be monitored with little effort and cost, since only a high-impedance coupling of the first node by the feedback device, such as a feedback circuit, is realized.
- the household appliance is for example a dishwasher.
- the working relay feedback signal is formed by this high-impedance coupling.
- the heating elements act in this constellation as short circuits, so have low-resistance properties. An error of one of the heating elements or one of the working relay thus leads to a change in the working relay feedback signal and can therefore be easily detected.
- the at least two heating elements are, for example, as heaters, in particular as a thin-film heating and a heater for drying a drying material, for. As zeolite formed.
- the feedback device has a voltage divider.
- the voltage divider can be formed for example by resistors. These can be made high impedance compared to the heating elements in order to realize the high-impedance coupling of the heating elements to the first node.
- the at least two heating elements are coupled to a second node and connected to a safety relay.
- the safety relay is used to disconnect the heating elements from the power supply.
- this safety relay can be included in the monitoring by the monitoring device.
- the monitoring device is configured to monitor a safety relay feedback signal provided at the second node and dependent on the safety relay.
- the safety relay feedback signal is affected by both the safety relay and the heating elements. To all three relays, i. Both the safety relay and the safety relay can be monitored using the safety relay feedback signal and the working relay feedback signal.
- the monitoring device is configured to monitor a relationship of the safety relay feedback signal and the working relay feedback signal to each other and to detect a fault condition when the ratio changes.
- the heating elements and the relays there is an adjusting signal relationship between the safety relay feedback signal and the working relay feedback signal. If, for example, one of the heating elements has burned out, the working relay feedback signal shifts and the fault state can be detected by means of a ratio formation of the two feedback signals without one of the heating elements having to be switched on.
- the resistors of the feedback device are selected such that the safety relay feedback signal and the working relay feedback signal are identical in error-free operation of the heating elements, the working relay and the safety relay.
- the two feedback signals may be at identical or nearly identical levels in error-free operation. A deviation between the signals can thus be regarded as an error case.
- the monitoring device is configured to perform a predefined switching sequence of the working relay and the safety relay and to evaluate the ratio of the working relay feedback signal to the safety relay feedback signal in each switching state of the switching sequence.
- Whether one of the relays can not be switched on can be checked using the predefined switching sequence. In each switching state of the sequence, certain signal ratios are expected. If these do not set within a defined time, it can be assumed that one of the relays does not switch. Which relay is this can be determined via the respective switching step of the sequence.
- the monitoring device is configured to turn on one of the work relays and to evaluate the resulting work relay feedback signal.
- one of the work relays can be turned on and the resulting work relay feedback signal evaluated.
- the monitoring device is configured to perform a predefined switching sequence of the working relay and to evaluate the resulting work relay feedback signal.
- the predefined switching sequence for example, first one and then the other working relay can be switched on. Subsequently, the respective work relay feedback signal can then be evaluated or evaluated.
- the monitoring device is a microcontroller.
- the microcontroller may be a microcontroller of the household appliance, which also has other functions.
- the monitoring device is configured to detect a shifting of the potential of the safety relay feedback signal.
- Ground fault in this context means that one of the heating elements is an unintentional electrically conductive connection got to earth potential. This may be the case, for example, if the PE conductor is incorrectly connected.
- the fault state of the household appliance has one of the fault conditions: an error state of one of the heating elements, a fault state of both heating elements, a fault state of a safety relay, a fault state of a working relay and / or a faulty connection of one of the heating elements to the protective conductor.
- An error condition of the heating elements may be a burnout of one or both heating elements.
- a fault condition of the relay may be a stuck relay or a non-switched relay.
- a faulty connection of one of the heating elements to the protective conductor can be a ground fault of one of the heating elements.
- a method for monitoring a household appliance in particular a water-conducting household appliance, which has at least two heating elements, wherein a respective heating element of the at least two heating elements is coupled via a respective first node with a respective working relay for driving the respective heating element proposed.
- the method includes providing a common working relay feedback signal via a feedback device to which the first nodes are high impedance coupled, and monitoring the provided working relay feedback signal to detect a fault condition of the household appliance.
- the at least two heating elements are switched off in the provision of the common working relay feedback signal.
- the heating elements are simple low-resistance resistors. In case of failure of one of the heating elements, ie when one of the heating elements has burned out, one of the low-resistance connections represented by the heating elements is missing, which is detected as a change in the working relay feedback signal.
- a computer program product such as a computer program means may, for example, be used as a storage medium, e.g. Memory card, USB stick, CD-ROM, DVD, or even in the form of a downloadable file provided by a server in a network or delivered. This can be done, for example, in a wireless communication network by transmitting a corresponding file with the computer program product or the computer program means.
- Fig. 1 shows a schematic view of a first embodiment of a household appliance 1, in particular a dishwasher.
- the dishwasher 1 has a first heating element 3 and a second heating element 4. These are connected via a respective first node K1, K2 to a respective working relay 5, 6.
- the working relay 5 controls the first heating element 3 and the working relay 6, the second heating element 4 at.
- the first nodes K1, K2 are coupled in a high-impedance manner via a feedback device FB for providing a common working relay feedback signal 7.
- the high-impedance coupling can be done for example by a voltage divider formed by the resistors R1, R2, R3.
- the values of the resistors R1, R2, R3 are high-resistance compared to the resistance values representing the two heating elements 3, 4.
- a monitoring device 2 monitors the provided working relay feedback signal 7 to detect a fault condition of the dishwasher 1. Such a fault condition may be an error of one of the heating elements 3, 4 or one of the working relay 5, 6.
- Fig. 2 shows a schematic view of a second embodiment of a dishwasher 1.
- the two heating elements 3, 4 are connected via a second node 3 to a safety relay 8.
- a resistor R6 is connected.
- Other resistors R4, R5, R7 may be provided in the assembly.
- the safety relay 8 is connected to potential L (high).
- the working relay 5, 6 are connected to potential N (low, ground).
- the monitoring device 2 receives in this embodiment not only the
- Working relay feedback signal 7 but also a safety relay feedback signal 9, which depends on the safety relay 8 and the heating elements 3, 4.
- a ground fault of a heating element here heating element 3, via a resistor R PE done (reference numeral 10). This can also be detected by the monitoring device 2.
- the following states may occur and be detected by the monitoring device 2.
- exemplary signal values will be specified.
- the feedback signals 7, 9 have the same signal level in error-free operation. However, this may vary depending on the specific embodiment.
- Heating elements 3, 4 off and no error the two feedback signals 7, 9 have the same signal level in the error-free state.
- the signal level is approximately in the middle of the measuring range at 1.
- the working relay feedback signal 7 and the safety relay feedback signal 9 are connected to ground (N) low resistance. Both signals are equal to 0.
- Heating elements 3, 4 and the safety relay 8 glued The work relay feedback signal 7 and the safety relay feedback signal 9 are low impedance connected to mains potential (L). Both signals are equal to 3.
- Heating elements 3, 4 and a heating element 3, 4 blown The work relay feedback signal 7 and the safety relay feedback signal 9 are no longer the same, since the low-resistance connection through a heating element 3, 4 is missing. This shifts the voltage divider ratio of the work relay feedback signal 7 and the error condition can be detected by a ratio of the two feedback signals 7, 9. However, it can not be distinguished as to which of the heating elements 3, 4 is burned.
- the monitoring device 2 can perform a fault diagnosis.
- test sequence With the help of a test sequence can be checked in the case of a blown heating element 3, 4, which of the two heating elements 3, 4 is burned.
- one of the two working relays 5, 6 is switched on and the working relay feedback signal 7 is evaluated.
- Whether one of the relays 5, 6, 8 can not be switched on can be checked with the aid of a defined switch-on sequence, as described by way of example in FIG Fig. 3 is shown. In each switching state of the sequence, certain signal ratios are expected. If these do not set within a defined time, it can be assumed that one of the relays 5, 6, 8 does not switch. Which relay 5, 6, 8 is that can be determined via the switching step of the sequence.
- the signal levels of the two feedback signals 7, 9 shift in the direction of GND or L. This signal shift can be used as a measure of a ground fault.
- switching sequence represents S0 the initial state.
- both working relay 5, 6 are turned on.
- both working relay 5, 6 are turned off.
- the safety relay 8 is turned on.
- switching state S4 a working relay 5, 6 and the associated heating element 3, 4 are turned on.
- switching state S5 a working relay 5, 6 and the associated heating element 3, 4 are turned off again.
- switching state S6 the safety relay 8 is turned off.
- Dishwasher 1 described here can detect whether one or more heating relays 5, 6, 8 are glued. It can also be recognized whether a relay 5, 6, 8 can not be turned on. It is also possible to detect a burned-out heating element 3, 4 without connecting the heating element 3, 4 to the mains. Furthermore, a ground fault 10 of the heating elements 3, 4 can be detected without connecting the heating elements 3, 4 to the mains. For the monitoring of three relay switching states only two signals 7, 9 are required. In particular, no changeover relays are necessary.
- Fig. 4 shows a schematic flow diagram of an embodiment of a method for monitoring a dishwasher 1, as shown in Fig. 1 or 2 is shown.
- a common working relay feedback signal 7 is provided via a feedback device FB, with which the first nodes K1, K2 are coupled in a high-impedance manner.
- the provided work relay feedback signal 7 is monitored in a second step 202 to detect a fault condition of the household appliance 1. This can be done, as described above, by changing the working relay feedback signal 7 or by changing a ratio between this and another feedback signal 9.
Landscapes
- Control Of Resistance Heating (AREA)
- Washing And Drying Of Tableware (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Claims (15)
- Appareil ménager (1) avec:au moins deux éléments chauffants (3, 4), dans lequel un élément chauffant respectif desdits au moins deux éléments chauffants (3, 4) est couplé par un premier noeud respectif (K1, K2) à un relais de travail respectif (5, 6) pour la commande de l'élément chauffant respectif (3, 4), dans lequel les premiers noeuds (K1, K2) sont couplés avec une résistance élevée par un dispositif de feedback (FB) afin de fournir un signal de feedback de relais de travail commun (7), etun dispositif de surveillance (2) permettant de surveiller le signal de feedback de relais de travail (7), afin de reconnaître un état de défaut de l'appareil ménager (1).
- Appareil ménager (1) selon la revendication 1, caractérisé en ce que le dispositif de feedback (FB) présente un diviseur de tension (R1, R2, R3).
- Appareil ménager (1) selon la revendication 1 ou 2, caractérisé en ce que lesdits au moins deux éléments chauffants (3, 4) sont couplés à un deuxième noeud (K3) et sont connectés à un relais de sécurité (8).
- Appareil ménager (1) selon la revendication 3, caractérisé en ce que le dispositif de surveillance (2) est conçu pour surveiller un signal de feedback de relais de sécurité (9) fourni au deuxième noeud (K3) et dépendant du relais de sécurité (8).
- Appareil ménager (1) selon la revendication 4, caractérisé en ce que le dispositif de surveillance (2) est conçu pour surveiller un rapport du signal de feedback de relais de sécurité (9) et du signal de feedback de relais de travail (7) l'un par rapport à l'autre, et pour reconnaître un état de défaut lors d'un changement du rapport.
- Appareil ménager (1) selon la revendication 5, caractérisé en ce que les résistances (R1, R2, R3) du dispositif de feedback (FB) sont choisies de telle manière que le signal de feedback de relais de sécurité (9) et le signal de feedback de relais de travail (7) soient identiques lors du fonctionnement correct des éléments chauffants (3, 4), des relais de travail (5, 6) et du relais de sécurité (8).
- Appareil ménager (1) selon l'une quelconque des revendications 4 à 6, caractérisé en ce que le dispositif de surveillance (2) est conçu pour exécuter une séquence de commutation prédéfinie des relais de travail (5, 6) et du relais de sécurité (8) et pour évaluer le rapport du signal de feedback de relais de travail (7) au signal de feedback de relais de sécurité (9) dans chaque état de commutation de la séquence de commutation.
- Appareil ménager (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dispositif de surveillance (2) est conçu pour enclencher un des relais de travail (5, 6) et pour évaluer le signal de feedback de relais de travail (7) qui en résulte.
- Appareil ménager (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le dispositif de surveillance (2) est conçu pour exécuter une séquence de commutation prédéfinie des relais de travail (5, 6) et pour évaluer le signal de feedback de relais de travail (7) qui en résulte.
- Appareil ménager (1) selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le dispositif de surveillance (2) est un microcontrôleur.
- Appareil ménager (1) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que le dispositif de surveillance (2) est conçu pour reconnaître un glissement du potentiel du signal de feedback de relais de sécurité (9).
- Appareil ménager (1) selon l'une quelconque des revendications 1 à 11, caractérisé en ce que l'état de défaut de l'appareil ménager (1) présente un des états de défaut suivants: un état de défaut d'un des éléments chauffants (3, 4), un état de défaut des deux éléments chauffants (3, 4), un état de défaut d'un relais de sécurité (8), un état de défaut d'un relais de travail (5, 6) et/ou un raccordement incorrect d'un des éléments chauffants (53, 4) au conducteur de protection (PE).
- Procédé de surveillance d'un appareil ménager (1), qui présente au moins deux éléments chauffants (3, 4), dans lequel un élément chauffant respectif (3, 4) desdits au moins deux éléments chauffants (3, 4) est couplé par un premier noeud respectif (K1, K2) à un relais de travail respectif (5, 6) pour la commande de l'élément chauffant respectif (3, 4), avec les étapes suivantes:fournir (201) un signal de feedback de relais de travail commun (7) au moyen d'un dispositif de feedback (FB) par lequel les premiers noeuds (K1, K2) sont couplés avec une résistance élevée, etsurveiller (202) le signal de feedback de relais de travail fourni (7) afin de reconnaître un état de défaut de l'appareil ménager (1).
- Procédé selon la revendication 13, caractérisé en ce que lesdits au moins deux éléments chauffants (3, 4) sont déconnectés lors de la fourniture du signal de feedback de relais de travail commun (7).
- Produit de programme informatique, qui permet l'exécution du procédé selon la revendication 14 sur un système commandé par programme.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013226833.5A DE102013226833A1 (de) | 2013-12-20 | 2013-12-20 | Haushaltsgerät und Überwachungsverfahren für ein Haushaltsgerät |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2887764A2 EP2887764A2 (fr) | 2015-06-24 |
EP2887764A3 EP2887764A3 (fr) | 2015-07-08 |
EP2887764B1 true EP2887764B1 (fr) | 2016-10-12 |
Family
ID=52103078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14198582.0A Active EP2887764B1 (fr) | 2013-12-20 | 2014-12-17 | Appareil ménager et procédé de surveillance pour un appareil ménager |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2887764B1 (fr) |
DE (1) | DE102013226833A1 (fr) |
PL (1) | PL2887764T3 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017206102A1 (de) * | 2017-04-10 | 2018-10-11 | BSH Hausgeräte GmbH | Schaltanordnung zur Überprüfung eines Schaltelements |
CN111557626A (zh) * | 2020-05-21 | 2020-08-21 | 上海明略人工智能(集团)有限公司 | 洗碗机加热管故障检测方法和装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4634842A (en) * | 1984-12-28 | 1987-01-06 | General Electric Company | Diagnostic testing arrangement for an electric cooking appliance incorporating commutated relay switching circuits |
DE19755089C2 (de) | 1997-12-11 | 2003-07-03 | Whirlpool Co | Sicherheitsschaltung für einen Heizkreis einer Wasch-, Geschirrspülmaschine oder eines Trockners |
JP4766254B2 (ja) * | 2006-05-23 | 2011-09-07 | 株式会社Lixil | ヒータ異常検知回路 |
EP2353485A1 (fr) * | 2010-02-05 | 2011-08-10 | Whirlpool Corporation | Circuit de commande de charge amélioré pour appareil d'électroménager, de type lave-linge, lave-vaisselle ou sèche-linge |
DE102010028533A1 (de) * | 2010-05-04 | 2011-11-10 | BSH Bosch und Siemens Hausgeräte GmbH | Haushaltsgerät und Verfahren zum Überprüfen eines elektrischen Verbrauchers eines Haushaltsgerätes |
EP2386675B1 (fr) * | 2010-05-14 | 2014-07-16 | Electrolux Home Products Corporation N.V. | Circuit de chauffage avec surveillance de l'agencement pour appareil domestique |
EP2386680B1 (fr) * | 2010-05-14 | 2014-06-04 | Electrolux Home Products Corporation N.V. | Circuit de chauffage avec surveillance de l'agencement pour appareil domestique |
ITMI20100862A1 (it) * | 2010-05-14 | 2011-11-15 | Electrolux Home Products Corporatio N N V | Monitoraggio di guasti del circuito di riscaldamento di un elettrodomestico |
-
2013
- 2013-12-20 DE DE102013226833.5A patent/DE102013226833A1/de not_active Withdrawn
-
2014
- 2014-12-17 PL PL14198582T patent/PL2887764T3/pl unknown
- 2014-12-17 EP EP14198582.0A patent/EP2887764B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
DE102013226833A1 (de) | 2015-06-25 |
EP2887764A2 (fr) | 2015-06-24 |
PL2887764T3 (pl) | 2017-03-31 |
EP2887764A3 (fr) | 2015-07-08 |
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