Abstract: An object is processed in a cavity resonator by application of radiofrequency energy to the cavity resonator through a plurality of feeds. Excitation setups are grouped into a plurality of peaks based on values of an absorbability indicator associated with each of the excitation setups. At least one peak among the plurality of peaks is selected based on the values of the absorbability indicator associated with the excitation setups grouped into each peak. Radiofrequency energy is applied to the cavity resonator based on the selection, in which the excitation setups are multi-dimensional.

Abstract: Methods and apparatuses for processing objects by RF energy are disclosed. In some embodiments the method may include grouping excitation setups into at least a first group corresponding to a first peak and a second group corresponding to a second peak. The method may further include applying RF energy such that an amount of RF energy absorbed at excitation setups of the first group is equal to an amount of RF energy absorbed at excitation setups of the second group. Apparatuses according to some embodiments may include a processor configured to carry out aspects of the method.

Abstract: Apparatuses and methods for applying EM energy to a load. The apparatuses and methods may include at least one processor configured to receive information indicative of energy dissipated by the load for each of a plurality of modulation space elements. The processor may also be configured to associate each of the plurality of modulation space elements with a corresponding time duration of power application, based on the received information. The processor may be further configured to regulate energy applied to the load such that for each of the plurality of modulation space elements, power is applied to the load at the corresponding time duration of power application.

Abstract: Apparatuses and methods are disclosed for applying radio frequency (RF) energy to an object in an energy application zone. At least one processor may be configured to cause RF energy to be applied at a plurality of electromagnetic field patterns to the object in the energy application zone. The processor may be further configured to determine an amount of power dissipated in the energy application zone, for each of the plurality of field patterns. The processor may also be configured to determine a spatial distribution of energy absorption characteristics across at least a portion of the energy application zone based on the amounts of power dissipated when the plurality of field patterns are applied to the energy application zone.

Abstract: Apparatuses and methods are disclosed for applying radio frequency (RF) energy to an object in an energy application zone. At least one processor may be configured to cause RF energy to be applied at a plurality of electromagnetic field patterns to the object in the energy application zone. The processor may be further configured to determine an amount of power dissipated in the energy application zone, for each of the plurality of field patterns. The processor may also be configured to determine a spatial distribution of energy absorption characteristics across at least a portion of the energy application zone based on the amounts of power dissipated when the plurality of field patterns are applied to the energy application zone.

Abstract: An apparatus for applying RF energy to process an object may include at least one controller configured to receive EM feedback-related values from an energy application zone, each of the values being associated with a respective MSE. The controller may also be configured to identify a change in one or more of the EM feedback-related values within a period of time; adjust the RF energy application based on the change in the EM feedback-related values identified, and cause application of RF energy to the energy application zone.

Abstract: A choke is disclosed. The choke is configured to attenuate propagation of an electromagnetic (EM) wave between a cavity and a door adjacent to an opening of the cavity. The choke includes one or more choke components having a mechanical wave attenuating structure.

Abstract: Methods and apparatuses for processing objects by RF energy are disclosed. In some embodiments the method may include grouping excitation setups into at least a first group corresponding to a first peak and a second group corresponding to a second peak. The method may further include applying RF energy such that an amount of RF energy absorbed at excitation setups of the first group is equal to an amount of RF energy absorbed at excitation setups of the second group. Apparatuses according to some embodiments may include a processor configured to carry out aspects of the method.

Abstract: Some aspects of the invention may be directed to an apparatus and method for applying RF energy to containers. The containers (e.g., pots, tanks, vats, kettles, reactors, etc.) may contain an object to be heated or processed by EM energy. The object may be in the liquid phase, gas phase, solid phase or any combination of phases thereof. The apparatus may comprise an outer housing. Optionally the outer housing may be substantially opaque to RF energy. The apparatus may further comprise an inner housing disposed at least partially within the outer housing, wherein at least a portion of the inner housing is configured to transmit RF energy. The apparatus may include at least one radiating element configured to apply RF energy to an energy application zone within the inner housing. In some embodiments the at least one radiating element is located external to the inner housing, optionally between the inner housing and the outer housing.

Abstract: Apparatuses and methods are disclosed for applying radio frequency (RF) energy to an object in an energy application zone. At least one processor may be configured to cause RF energy to be applied at a plurality of electromagnetic field patterns to the object in the energy application zone. The processor may be further configured to determine an amount of power dissipated in the energy application zone, for each of the plurality of field patterns. The processor may also be configured to determine a spatial distribution of energy absorption characteristics across at least a portion of the energy application zone based on the amounts of power dissipated when the plurality of field patterns are applied to the energy application zone.

Abstract: Apparatuses and methods are disclosed for applying radio frequency (RF) energy from a source of electromagnetic energy to an object in an energy application zone. At least one processor may be configured to acquire information indicative of electromagnetic energy loss associated with at least a portion of the energy application zone. The processor may be further configured to determine a weight to be applied to each of a plurality of electromagnetic field patterns each having a known electromagnetic field intensity distribution and cause the source to supply each of the plurality of electromagnetic field patterns to the energy application zone at the determined weights.

Abstract: Apparatuses and methods for applying EM energy to a load. The apparatuses and methods may include at least one processor configured to receive information indicative of energy dissipated by the load for each of a plurality of modulation space elements. The processor may also be configured to associate each of the plurality of modulation space elements with a corresponding time duration of power application, based on the received information. The processor may be further configured to regulate energy applied to the load such that for each of the plurality of modulation space elements, power is applied to the load at the corresponding time duration of power application.

Abstract: Apparatuses and methods are disclosed for applying electromagnetic energy in a radio frequency (RF) range to an object in an energy application zone via at least one radiating element. At least one processor may be configured to determine locations of a first region and a second region in the energy application zone. In addition, the processor may be configured to regulate a source in order to apply a first predetermined amount of RF energy to the first region in the energy application zone and a second predetermined amount of RF energy to the second region in the energy application zone. The first predetermined amount of energy may be different from the second predetermined amount of energy.

Abstract: An apparatus for applying EM energy to a load may include at least one processor configured to receive information indicative of dissipated energy for each of a plurality of modulation space elements and group a number of the plurality of modulations space elements into at least two subsets based on the information received indicative of dissipated energy. The processor may also be configured to associate a power delivery protocol with each of the at least two subsets wherein the power delivery protocol differs between subsets and regulate energy applied to the load in accordance with each power delivery protocol.