EP2469970B1 - Dispositif d'appareil de cuisson - Google Patents

Dispositif d'appareil de cuisson Download PDF

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Publication number
EP2469970B1
EP2469970B1 EP11194218.1A EP11194218A EP2469970B1 EP 2469970 B1 EP2469970 B1 EP 2469970B1 EP 11194218 A EP11194218 A EP 11194218A EP 2469970 B1 EP2469970 B1 EP 2469970B1
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EP
European Patent Office
Prior art keywords
frequency
unit
heating
units
control unit
Prior art date
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Active
Application number
EP11194218.1A
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German (de)
English (en)
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EP2469970A2 (fr
EP2469970A3 (fr
Inventor
Ignacio Garde Aranda
Oscar Gracia Campos
Sergio Llorente Gil
Paul Muresan
Ramon Peinado Adiego
David Valeau Martin
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2469970A2 publication Critical patent/EP2469970A2/fr
Publication of EP2469970A3 publication Critical patent/EP2469970A3/fr
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Publication of EP2469970B1 publication Critical patent/EP2469970B1/fr
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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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/06—Control, e.g. of temperature, of power
    • H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
    • H05B6/065—Control, e.g. of temperature, of power for cooking plates or the like using coordinated control of multiple induction coils

Definitions

  • the invention is based on a cooking device device according to the preamble of claim 1.
  • the publication EP 1 951 003 B1 discloses an induction hob with at least two heating frequency units operated according to a particular method to prevent intermodulation noises. According to this method, both heating-frequency units are operated at an identical first frequency in a first time period. In a second period of time, one heating frequency unit is switched off, while the other heating frequency unit is operated at a second frequency. The two frequencies as well as the relative lengths of the two time segments are adjusted so that a mean output power of each heating frequency unit corresponds to an operator selected heating power.
  • the object of the invention is in particular to provide a generic Garellavorraum with a continuous power output possible.
  • the object is achieved by the features of claim 1 and the method claim 8, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • the invention is based on a cooking device device with at least two heating frequency units and with at least one control unit, which is provided to set a respective average output power of the heating frequency units while largely avoiding intermodulation noise.
  • the control unit be provided to set a non-zero frequency of one of the heating frequency units to one of zero while maintaining the operation of the other heating frequency unit Value change.
  • the cooking device device is preferably designed as a hob device and particularly advantageously as an induction hob device.
  • provided is intended to be understood in particular specially programmed and / or designed and / or equipped.
  • a “heating frequency unit” should in particular be understood to mean an electrical unit which generates an oscillating electrical current, preferably with a frequency of at least 1 kHz, in particular of at least 10 kHz and advantageously of at least 20 kHz, for operation of at least one heating unit.
  • heating unit is to be understood in particular a unit which is intended to at least partially convert electrical energy into heat and thus in particular to heat a food to be cooked.
  • the heating unit comprises a radiant heater, a resistance heater and / or preferably an induction heater, which is intended to convert electrical energy indirectly via induced eddy currents into heat.
  • the heating frequency unit comprises in particular at least one inverter, which preferably comprises two switching units.
  • switching unit is to be understood in particular as meaning a unit which is intended to interrupt a conduction path comprising at least part of the switching unit.
  • the switching unit is a bidirectional unipolar switch which in particular allows a current flow through the switch along the conduction path in both directions and in particular short-circuits an electrical voltage in at least one polarity direction.
  • the inverter comprises at least two bipolar transistors with insulated gate electrode and particularly advantageously at least one damping capacitor.
  • a "conduction path" is to be understood as meaning, in particular, an electrically conductive conductor piece between two points.
  • control unit is to be understood, in particular, as an electronic unit which is preferably at least partially integrated in a control and / or regulating unit of a cooking appliance, in particular an induction hob.
  • the control unit comprises a computing unit and in particular in addition to the computing unit a memory unit with a stored therein Control program.
  • the control unit is provided to control the heating frequency units by means of electrical control signals and / or to regulate.
  • An electrical "control signal” is to be understood in particular a signal having an electrical voltage of at most 30 V, preferably of at most 20 V and more preferably of at most 10 V, which is supplied in particular in at least one operating state, the inverters of the heating frequency units.
  • the control signal has a periodicity at least at times, in particular with a period of at most 1 ms, in particular of at most 0.1 ms and advantageously of at most 0.05 ms.
  • the control signal is a square-wave signal, which in particular can assume two values, preferably a switch-on value and a switch-off value.
  • each of the two values corresponds to a switching position of the inverters.
  • a "frequency" of a heating frequency unit is to be understood in particular as the frequency of the control signal controlling the heating frequency unit.
  • a “maintenance of an operation" of a heating frequency unit should in particular be understood as a continuation of the operation of the heating frequency unit with different or preferably the same, non-zero frequency.
  • An “output power” is to be understood, in particular, as meaning an electrical power which, in at least one operating state, is transmitted from a heating frequency unit to a heating unit.
  • the output power is transmitted by an electric current.
  • the output power is preferably converted in the heating unit at least partially and particularly advantageously at least to a large extent into a heat flow.
  • a “mean output power” is to be understood in particular a time-averaged output power.
  • the control unit is provided to set the average output power such that one of a Operator selected heating power is achieved, in particular for each heating zone of a hob.
  • a "substantial avoidance of intermodulation noise” should be understood in particular that intermodulation noises at a frequency of 17 kHz and smaller at a distance of 1 m from the cooking appliance a sound pressure level of at most 20 dB, in particular of at most 10 dB, preferably of at most 5 dB and particularly advantageous of a maximum of 0 dB.
  • the intermodulation sounds are inaudible by an average hearing operator.
  • a power output which is as continuous as possible can be achieved, in particular per heating frequency unit, since a temporary shutdown of a heating frequency unit can be dispensed with.
  • any heating power selected by an operator may be adjusted.
  • elimination of any intermodulation noise can be enabled.
  • energy efficiency can be increased because operation of the heating frequency units close to a resonance frequency is enabled.
  • the control unit is intended to operate at least one of the heating frequency units with a fixed frequency.
  • control unit is intended to "operate at least one of the heating frequency units with a fixed frequency”
  • control unit is provided to operate the heating frequency unit in a continuous mode with a control signal which the fixed frequency or operating the heating frequency unit in a pulsed mode, wherein the control signal has the fixed frequency during a pulse.
  • a "continuous mode” is to be understood, in particular, as an operating mode of the heating frequency unit in which there is a maximum of one cycle duration between two switching operations of the heating frequency unit, which corresponds to the period duration of the control signal.
  • a "pulsed mode” is to be understood, in particular, as an operating mode of the heating frequency unit in which at least one period exists between two switching operations of the heating-frequency units, which is at least 10 times, preferably at least 50 times and particularly advantageously at least 100 times greater than the period of the control signal.
  • a control algorithm can advantageously be simplified.
  • control unit is provided to operate the heating frequency unit which requires a highest frequency in order to achieve the average output power in a continuous operation at the fixed frequency.
  • control unit is provided to operate the Kirfrequenzajien at least temporarily with a frequency difference of at least 15 kHz.
  • control unit is provided to operate the Schufrequenzajien at least temporarily with a frequency difference of at least 16 kHz and more preferably of at least 17 kHz.
  • control unit is intended to operate the heating frequency units with a frequency greater than 30 kHz.
  • control unit is provided to operate the Schufrequenzüen with a frequency of greater than 32 kHz and particularly advantageously greater than 34 kHz. In this way, an audible intermodulation noise can be reduced particularly advantageous.
  • control unit is provided to operate the two Schufrequenzüen at least temporarily with the same frequency. This can eliminate an audible intermodulation noise.
  • control unit is provided to operate one of the heating frequency units at least temporarily with an at least substantially half the frequency of the other heating frequency unit.
  • An "at least substantially half the frequency” is to be understood in particular a frequency which differs from one half of a reference frequency by at most 10%, in particular by more than 5%, and preferably by at most 2%, and which is particularly advantageously identical to half of the reference frequency Reference frequency is. In this way it can be ensured that a heating power selected by an operator is always available, whereby an audible intermodulation noise can be reduced, in particular if the two heating frequency units operate at a frequency of at least 30 kHz, preferably at least 32 kHz and particularly advantageously at least 34 kHz become.
  • the control unit is provided to make an adjustment of a duty cycle of at least one of the heating frequency units.
  • a ratio of a time duration in which the control signal assumes the switch-on value within a period duration to the period duration of the control signal is to be understood as a "duty cycle”.
  • the output power can be changed.
  • the control unit is provided to keep temporally as constant as possible by changing the duty cycle of at least one of the two Schufrequenzajien an overall output of both Schufrequenzüen in at least one operating state and particularly advantageous a maximum difference of total output power at two different times below a legal and / or by Norms prescribed value to press.
  • a reduction of a Flickerlevels can be achieved.
  • a "flicker level" is intended to indicate a maximum difference between total output powers be understood at two different times.
  • an even more continuous power output of both heating frequency units can be made possible.
  • a method is proposed with a cooking device device, in particular a cooktop device, with at least two heating frequency units in which a respective average output power of the heating frequency units is set while largely avoiding intermodulation noise, wherein a nonzero frequency of one of the heating frequency units while maintaining an operation of the other heating frequency unit is changed to a nonzero value.
  • a cooking appliance in particular a hob, proposed with a cooking device according to the invention- ⁇ en.
  • the hob is an induction hob.
  • Fig. 1 shows a trained as induction hob 16 cooking appliance.
  • the induction hob 16 comprises a hob plate 18, in particular of a glass ceramic, on which in a known manner three heating zones 20, 22, 24 are marked.
  • the hob plate 18 is arranged horizontally in an operational state of the induction hob 16 and provided for setting up cooking utensils. Furthermore, touch-sensitive operating elements 26 and display elements 28 of an operating and display unit 30 of the induction hob 16 are marked on the hob plate 18 in a known manner.
  • the induction hob 16 further comprises a cooking device device with two heating frequency units 10, 12 arranged below the hob plate 18 and with a control unit 14 arranged below the hob plate 18 Fig.
  • the control unit 14 is integrated in a control and regulation unit 32 of the induction hob 16.
  • One of the heating zone 20 associated and disposed below this induction heating unit is powered by the heating frequency unit 10 with energy.
  • One of the heating zone 22 associated and arranged below this induction heating unit and another, the heating zone 24 associated and arranged below this induction heating unit are powered by a switching unit 34 of the cooking appliance by the heating frequency unit 12 with energy.
  • the switching unit 34 is provided for operating the two induction heating units assigned to the two heating zones 22, 24 in a known manner in a time division multiplex controlled by the control unit 14.
  • the control unit 14 is designed to set a respective average output power P 0A , P 0B of the heating frequency units 10, 12, so that the selected heating levels of the heating zones 20, 22, 24 are achieved, in particular using the time multiplex, and thereby intermodulation noises are avoided.
  • the control unit 14 controls the heating frequency units 10, 12 in each case by means of a control signal V A (t) and V B (t).
  • Fig. 2 shows by way of example a non-to-scale control signal V A (t) in a Cartesian coordinate system.
  • a control voltage V A On a ordinate axis 36, a control voltage V A and on a abscissa axis 38, a time t is plotted.
  • the control signal V (t) is a square wave signal during a pulse length y with a switch-on value V 0 and a switch-off value of 0 volts.
  • the switch-on value V 0 is held during a switch-on time t 0 .
  • a period of the rectangular signal is T 0 .
  • T 0 -t 0 A period of the rectangular signal is T 0 .
  • the turn-off value is held.
  • a frequency f of the control signal V A (t) is calculated from a reciprocal of the period T 0 .
  • the frequency f is usually between 30 kHz and 100 kHz.
  • a duty cycle of the control signal V A (t) is calculated from a quotient of the switch-on time t 0 divided by the period T 0 .
  • An envelope 40 of the control signal V A (t) is shown in dashed lines. After expiration the pulse length y, a control voltage V A of 0 volts is maintained during a period of time (T - y). After a period of time T, the square-wave signal begins again.
  • control signal V A (t) takes the form of the square wave signal
  • an inverter of the heating frequency unit 10 is periodically switched in accordance with a periodic change of the turn-on value V 0 and the turn-off value. This creates a high-frequency alternating current for operation of the induction heating units.
  • the heating frequency unit 10 in a continuous operation requires a higher frequency for generating the average output power P 0A than the heating frequency unit 12 for generating the average output power P 0B in a likewise continuous operation.
  • the control unit 14 is provided to control the heating frequency units 10, 12 in two different ways. Fig. 3a-c show a first type of control of the heating frequency units 10, 12. Fig. 4a-c show a second type of control of the heating frequency units 10, 12. The choice of one of the two types of control depends in particular on the distance of the average output powers P 0A and P 0B selected by an operator.
  • Fig. 3a shows in a Cartesian coordinate system by way of example two power frequency curves P A (f) and P B (f) for the first type of control.
  • output powers P A and P B of the heating frequency units 10, 12 are plotted.
  • the frequency f is plotted.
  • the mean output powers P 0A and P 0B are relatively close to each other.
  • the heating frequency unit 10, which requires a higher frequency to reach the average output power P 0A in continuous operation, will operate at a fixed frequency f 1 .
  • the control unit 14 thus changes a nonzero frequency f 2 of the heating frequency unit 12 to a non-zero value f 3 while continuing to operate the heating frequency unit 10 at the frequency f 1 .
  • the frequency difference k is 17 kHz.
  • the frequencies f 1 , f 2 and f 3 are greater than 34 kHz.
  • Fig. 3b shows in a Cartesian coordinate system by way of example two power-time curves P A (t) and P B (t) for the first type of control.
  • the output powers P A and P B of the heating frequency units 10, 12 are plotted on an ordinate axis 46.
  • the time t is plotted on an abscissa axis 48.
  • the heating frequency unit 10 is operated at the frequency f 1
  • the output power P A at each time t corresponds to the average output power P 0A .
  • the output power P B2 for the heating frequency unit 12 in the first time period is smaller than the average output power P 0B .
  • the output power P B3 is greater than the average output power P 0B .
  • Fig. 3c shows in a Cartesian coordinate system by way of example two power-time curves P A (t) and P B (t) for the first type of control.
  • the output powers P A and P B of the heating-frequency units 10, 12 are plotted on an ordinate axis 50.
  • the time t is plotted on an abscissa axis 52.
  • Fig. 3c a variant of the first type of control is shown in which the heating frequency unit 10 is operated pulsed with the pulse length y (see. Fig. 2 ).
  • Fig. 4a shows in a Cartesian coordinate system by way of example two power frequency curves P A (f) and P B (f) for the second type of control.
  • the output powers P A and P B of the heating frequency units 10, 12 are plotted on an ordinate axis 54.
  • the frequency f is plotted.
  • the average output powers P 0A and P 0B are relatively far apart.
  • the heating frequency unit 10, which requires a higher frequency to reach the average output power P 0A in continuous operation, will operate at a fixed frequency f 1 .
  • the control unit 14 thus changes a nonzero frequency f 2 of the heating frequency unit 12 to a non-zero value f 3 while continuing to operate the heating frequency unit 10 at the frequency f 1 .
  • the frequency difference k is 17 kHz.
  • the frequencies f 1 , f 2 and f 3 are greater than 34 kHz.
  • Fig. 4b shows in a Cartesian coordinate system by way of example two power-time curves P A (t) and P B (t) for the second type of control.
  • the output powers P A and P B of the heating frequency units 10, 12 are plotted on an ordinate axis 58.
  • the time t is plotted on an abscissa axis 60.
  • the output power P A at each time t corresponds to the average output power P 0A .
  • the output power P B2 for the heating frequency unit 12 in the first time period is smaller than the average output power P 0B .
  • the output power P B3 is greater than the average output power P 0B .
  • the mean output power P 0B is analogous to the first type of control.
  • Fig. 4c shows in a Cartesian coordinate system by way of example two power-time curves P A (t) and P B (t) for the second type of control.
  • the output powers P A and P B of the heating frequency units 10, 12 are plotted on an ordinate axis 62.
  • the time t is plotted on an abscissa axis 64.
  • Fig. 4c a variant of the second type of control is shown, in which the heating frequency unit 10 is operated pulsed with the pulse length y (see. Fig. 2 ).
  • the average output power P 0A is analogous to the first type of control.
  • Fig. 5 shows in a Cartesian coordinate system by way of example a power frequency curve family P B '(f).
  • the frequency f is plotted.
  • Fig. 5 shows how by adjusting the duty cycle D B at a fixed frequency f, an adjustment of the output power P B can be made.
  • D A be a duty cycle of the heating frequency unit 10
  • D B2 is the duty cycle D B of the heating frequency unit 12 during the first period of length x
  • D B3 is the duty cycle D B of the heating frequency unit 12 during the second time period of length (T - x).
  • the control unit 14 is provided to make an adjustment of the duty D A , D B2 and D B3 , thereby lowering a Flickerlevel, in particular under a prescribed in the European standard EN 61000-3-3 limit.
  • the duty cycles D B2 and D B3 of the heating frequency unit 12 are adjusted such that the output power P B2 in the first time period differs only slightly from the output power P B3 in the second time period.
  • the duty cycle D A is additionally lowered, thereby increasing the pulse length y.
  • an induction hob can also have four induction heating units, wherein two of the induction heating units are each connected via a switching unit to a heating frequency unit.
  • a heating frequency associated with Indutechnischsriosakuen be operated by any other, the expert appears appropriate method.
  • more than two induction heating units are assigned to a heating frequency unit.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)
  • Induction Heating Cooking Devices (AREA)
  • Control Of Resistance Heating (AREA)
  • Electric Ovens (AREA)

Claims (9)

  1. Dispositif d'appareil de cuisson avec au moins deux unités de fréquence de chauffage (10, 12) et avec au moins une unité de commande (14) qui est prévue pour ajuster une puissance de sortie moyenne respective (P0A, P0B) des unités de fréquence de chauffage (10, 12) tout en évitant dans une large mesure des bruits d'intermodulation, dans lequel l'unité de commande (14) est prévue pour faire fonctionner au moins l'une des unités de fréquence de chauffage (10) avec une fréquence fixe (f1), caractérisé en ce que l'unité de commande (14) est prévue pour modifier une fréquence différente de zéro (f2) de l'une des unités de fréquence de chauffage (12) tout en maintenant un fonctionnement de l'autre unité de fréquence de chauffage (10) à une valeur différente de zéro (f3).
  2. Dispositif d'appareil de cuisson selon la revendication 1, caractérisé en ce que l'unité de commande (14) est prévue pour faire fonctionner avec la fréquence fixe (f1) l'unité de fréquence de chauffage (10) qui nécessite une fréquence la plus élevée pour atteindre la puissance de sortie moyenne (P0A) dans un fonctionnement continu.
  3. Dispositif d'appareil de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (14) est prévue pour faire fonctionner les unités de fréquence de chauffage (10, 12) au moins temporairement avec une différence de fréquence (k) d'au moins 15 kHz.
  4. Dispositif d'appareil de cuisson selon la revendication 3, caractérisé en ce que l'unité de commande (14) est prévue pour faire fonctionner les unités de fréquence de chauffage (10, 12) avec une fréquence (f1, f2, f3) supérieure à 30 kHz.
  5. Dispositif d'appareil de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (14) est prévue pour faire fonctionner les deux unités de fréquence de chauffage (10, 12) au moins temporairement avec la même fréquence (f1).
  6. Dispositif d'appareil de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (14) est prévue pour faire fonctionner l'une des unités de fréquence de chauffage (12) au moins temporairement avec une fréquence (f3) au moins sensiblement égale à la moitié de celle de l'autre unité de fréquence de chauffage (10).
  7. Dispositif d'appareil de cuisson selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (14) est prévue pour procéder à une adaptation d'un rapport cyclique (DB2, DB3) d'au moins l'une des unités de fréquence de chauffage (10, 12).
  8. Procédé avec un dispositif d'appareil de cuisson avec au moins deux unités de fréquence de chauffage (10, 12), en particulier selon l'une des revendications précédentes, dans lequel une puissance de sortie moyenne respective (P0A, P0B) des unités de fréquence de chauffage (10, 12) est ajustée tout en évitant dans une large mesure des bruits d'intermodulation, dans lequel une unité de commande (14) est prévue pour faire fonctionner au moins l'une des unités de fréquence de chauffage (10) avec une fréquence fixe (f1), caractérisé en ce qu'une fréquence différente de zéro (f2) de l'une des unités de fréquence de chauffage (12) est modifiée tout en maintenant un fonctionnement de l'autre unité de fréquence de chauffage (10) à une valeur différente de zéro (f3).
  9. Appareil de cuisson, en particulier table de cuisson, avec un dispositif d'appareil de cuisson selon l'une des revendications 1 à 7.
EP11194218.1A 2010-12-27 2011-12-19 Dispositif d'appareil de cuisson Active EP2469970B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201031947A ES2392223B1 (es) 2010-12-27 2010-12-27 Dispositivo de aparato de cocción y procedimiento para dicho dispositivo.

Publications (3)

Publication Number Publication Date
EP2469970A2 EP2469970A2 (fr) 2012-06-27
EP2469970A3 EP2469970A3 (fr) 2012-11-07
EP2469970B1 true EP2469970B1 (fr) 2017-09-20

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EP11194218.1A Active EP2469970B1 (fr) 2010-12-27 2011-12-19 Dispositif d'appareil de cuisson

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EP (1) EP2469970B1 (fr)
ES (2) ES2392223B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2836053B1 (fr) 2013-08-05 2017-09-13 Electrolux Appliances Aktiebolag Plaque de cuisson à induction et procédé pour faire fonctionner une telle plaque
ES2720746A1 (es) * 2018-01-08 2019-07-24 Bsh Electrodomesticos Espana Sa Dispositivo de campo de coccion
ES2754787A1 (es) * 2018-10-17 2020-04-20 Bsh Electrodomesticos Espana Sa Dispositivo de Aparato de cocción
KR102620662B1 (ko) * 2018-10-18 2024-01-04 삼성전자주식회사 조리 기기 및 이의 제어 방법
ES2764740A1 (es) * 2018-12-04 2020-06-04 Bsh Electrodomesticos Espana Sa Dispositivo de aparato de cocción
EP3820247B1 (fr) * 2019-11-05 2022-06-01 Electrolux Appliances Aktiebolag Plaque de cuisson à induction
CN114698166B (zh) * 2020-12-29 2023-06-16 佛山市顺德区美的电热电器制造有限公司 电磁加热设备及噪音抑制方法、加热控制系统、存储介质

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Publication number Priority date Publication date Assignee Title
ES2128958B1 (es) * 1996-11-21 2000-01-16 Balay Sa Procedimiento de control de potencia en cocinas de induccion alimentadas mediante inversores multipuente reconfigurables.
ES2201937B1 (es) * 2003-11-03 2005-02-01 Bsh Electrodomesticos España, S.A. Procedimiento para el funcionamiento de un circuito convertidor.
DE102005021888A1 (de) * 2005-05-04 2007-02-15 E.G.O. Elektro-Gerätebau GmbH Verfahren und Anordnung zur Leistungsversorgung mehrerer Induktionsspulen bei einem Induktionsgerät
ES2338057T5 (es) * 2007-01-23 2023-03-09 Whirlpool Co Método de control para una placa de cocina de inducción y placa de cocina de inducción adaptada para llevar a cabo dicho método
TWI394547B (zh) * 2009-03-18 2013-05-01 Delta Electronics Inc 加熱裝置

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
ES2642663T3 (es) 2017-11-17
EP2469970A2 (fr) 2012-06-27
ES2392223B1 (es) 2013-10-09
ES2392223A1 (es) 2012-12-05
EP2469970A3 (fr) 2012-11-07

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