| Patent application number | Description | Published |
|---|
| 20090057299 | INDUCTION COOKING APPLIANCE AND A METHOD FOR CHECKING THE COOKING CAPABILITIES OF A PIECE OF COOKWARE - The present invention relates to induction cooking appliances which provide a user with an improved set of information concerning the cooking capabilities of a piece of cookware to be used in conjunction with said appliance. In a further aspect, the present invention concerns an improved method for checking the cooking capabilities of a piece of cookware to be used in conjunction with an induction cooking appliance. | 03-05-2009 |
| 20090138241 | ANALOG SENSORS BUS - The present disclosure concerns an architecture for the connection and the communication of a plurality of passive sensors to a common control/measurement system, using an analog communication bus made of two physical wires only, and a method for reading the same sensors. | 05-28-2009 |
| 20100084395 | METHOD FOR CONTROLLING A STATIC POWER CONVERSION UNIT AND INDUCTION HEATING SYSTEM FOR COOLING APPLIANCES USING SUCH METHOD - In a method for controlling a static power conversion unit to an inductor, particularly for an induction system used in cooking appliances, the value of an electrical parameter of the circuit is monitored at predetermined time intervals and at a predetermined duty cycle of the power transistor switching frequency, and on the basis of the monitored value, the duty cycle is modulated accordingly between the predetermined time intervals in order to keep the delivered power at a predetermined constant value. | 04-08-2010 |
| 20100096385 | METHOD FOR DETECTING THE PRESENCE OF A COOKING VESSEL ON AN INDUCTION COOKING HOB AND HOB USING SUCH METHOD - A method for detecting the presence of a cooking vessel on an induction heating element is disclosed. The induction element is placed below a glass surface and a conductive electrode placed below the glass surface to detect if a cooking utensil is placed on the induction heating element. The electrode measures capacitance, which indicates to the user whether the cooking utensil is present on one or more induction heating elements. After activation by a user, a second detection of the cooking utensil is accomplished by feeding power to the induction heating element and by assessing at least an electrical parameter of a power circuit thereof. | 04-22-2010 |
| 20100133260 | METHOD FOR CONTROLLING AN INDUCTION HEATING SYSTEM OF A COOKING APPLIANCE - A method for controlling an induction heating system of a cooking appliance provided with an induction coil, particularly for controlling it in connection with a predetermined working condition, comprises measuring the value of one electrical parameter of the induction heating system, feeding a computing model with actual switching frequency signals in order to estimate a temperature indicative of the thermal status of the heating system and to provide an estimated value of the electrical parameter, and comparing the measured electrical parameter with the estimated one and tuning the computing model on the basis of such comparison. | 06-03-2010 |
| 20100138075 | METHOD FOR CONTROLLING THE INDUCTION HEATING SYSTEM OF A COOKING APPLIANCE - A method for controlling an inductive heating system of a cooking hob provided with an induction coil is disclosed. The method controls it in connection with a predetermined working condition, comprises assessing the value of power absorbed by the system, measuring a temperature indicative of the thermal status of at least one element of the heating system, feeding the assessed power value to a computing model capable of providing an estimated value of temperature, comparing the measured temperature with the estimated temperature and tuning the computing model on the basis of such comparison. | 06-03-2010 |
| 20100181300 | INDUCTION COOKING HEATER AND METHOD FOR THE CONTROL THEREOF - An induction cooking heater having at least one inductor and ferrite bars as magnetic field concentrators located beneath the inductor comprises a sensing circuit associated to the ferrite bars and adapted to monitor at least one electric parameter of the sensing circuit in order to prevent the ferrite bars from reaching the Curie point temperature. | 07-22-2010 |
| 20100181301 | METHOD FOR THE SYNCHRONIZATION OF INDUCTION COILS SUPPLIED BY POWER CONVERTERS OF AN INDUCTION COOKING HOB AND INDUCTION HEATING SYSTEM CARRYING OUT SUCH METHOD - A method for the synchronization of induction coils supplied by power converters and acting on a common heating zone or on adjacent heating zones of an induction heating system, particularly of an induction cooking hob, comprises the steps of activating a first power converter, detecting a parameter correlated to the magnetic field generated by the first power converter and activating a second power converter by using the parameter as synchronization signal, the parameter being induction coil voltage or induction coil current or a combination thereof. | 07-22-2010 |
| 20100181304 | METHOD FOR DETECTING THE PAN SIZE IN INDUCTION COOKING HOBS AND INDUCTION COOKING HOB FOR CARRYING OUT SUCH METHOD - A method for detecting the pan size and/or position in induction cooking hobs comprises providing at least a sensing circuit associated to a magnetic field concentrator, particularly a ferrite bar, and assessing an electrical parameter thereof correlated to the variation of the magnetic flux. | 07-22-2010 |
| 20100181306 | METHOD FOR CONTROLLING RESONANT POWER CONVERTERS IN INDUCTION HEATING SYSTEMS, AND INDUCTION HEATING SYSTEM FOR CARRYING OUT SUCH METHOD - A method for controlling resonant power converters using power transistors, particularly for induction heating systems, comprises a step of assessing the occurrence of non-zero voltage switching or non-zero current switching and a step of adjusting the control accordingly, the assessment of the above occurrence being performed by monitoring at least one electrical parameter correlated to the resonant circuit. | 07-22-2010 |
| 20110062150 | METHOD FOR DETECTING AND COMPENSATING NOISES IN INDUCTION HEATING SYSTEMS FOR DOMESTIC AND PROFESSIONAL KITCHEN AND INDUCTION HEATING SYSTEM USING SUCH METHOD - A method for detecting and compensating the effects of disturbances in controlling induction heating systems by monitoring the temperature of the cooking vessel or its content on the basis of at least one electrical measurement correlated to said temperature. An analysis in time and/or frequency domain of said electrical measurement is carried out in order to detect and compensate the effect of cooking vessel movements and/or mains line voltage fluctuation or similar electrical noises. | 03-17-2011 |
| 20110114632 | METHOD FOR CONTROLLING AN INDUCTION HEATING SYSTEM - A method for controlling an induction heating system, particularly an induction heating system of a cooktop on which a cooking utensil with a certain contents is placed for heating/cooking purposes, comprises the steps of carrying out a predetermined number “n” of electrical measurements of a first electrical parameter of the heating system on the basis of a predetermined electrical value of a second electrical parameter, “n” being ≦2, repeating the above set of measurements at a predetermined time after the first measurements, and estimating at least one thermal parameter of the heating system, particularly of the contents of the cooking utensil, on the basis of the above set of measurements. | 05-19-2011 |
