A volatile content analysis instrument is disclosed that includes a cavity and a microwave source positioned to produce and direct microwaves into the cavity at frequencies other than infrared frequencies. A balance is included with at least the balance pan (or platform) in the cavity. An infrared source is positioned to produce and direct infrared radiation into the cavity at frequencies other than the microwave frequencies produced by the microwave source. A lens is positioned between the infrared source and the balance pan for more efficiently directing infrared radiation to a sample on the balance pan. The lens has dimensions that preclude microwaves of the frequencies produced by the source and directed into the cavity from leaving the cavity.

An interrupting circuit (44) is configured to monitor for and detect a fault in a device (10) for generating a field of electromagnetic radiation (e-field) (34) from a radio frequency (RF) generator (24) configured to convert low voltage direct current (DC) into the e-field (34) for application to an article in the e-field (34). If a fault is detected, the interrupting circuit (44) interrupts low voltage DC between an energy reserve (46, 48) and the RF generator (24) within a predetermined time less than the time to dissipate energy stored in the energy reserve (46, 48).

A system for processing material, including at least one microwave generator, at least one microwave guide operatively connecting the at least one microwave generator to at least a first conveyor unit, and the first conveyor unit provided in a first housing that comprises at least one opening configured to receive microwave energy via a first microwave guide. The first conveyor unit is configured to receive and process a quantity of material, which includes heating the material to a first temperature by applying microwave energy to the material within the first housing.

An antenna for emitting microwave radiation into a cavity, and configured to emit microwave within a first frequency range of 400-500 MHz and a second frequency range of 2.4-2.5 wherein the antenna comprises a cylindrical portion 101, wherein the length of the cylindrical portion is within a range of 8% and +14% of 119 mm, and wherein the outer diameter of the cylindrical portion is within a range of 8% and +14% of 60 mm; and a frustoconical portion contiguous with the cylindrical portion, wherein the length of the frustoconical portion is within a range of 8% and +14% of 80 mm, wherein the outer diameter of the frustoconical portion tapers from a diameter within a range of 8% and +14% of 60 mm to a diameter within a range of 8% and +14% of 20 mm. Apparatus and method for the processing (drying and/or cooking) of foodstuffs and other materials using dual frequency, microwave radiation utilising solid-state power generators. The apparatus uses both an antenna and a waveguide for transmitting microwave radiation to a processing chamber. A first microwave generator generates microwave radiation having a first frequency, wherein the first frequency is substantially between 2.4 and 2.5 GHz and a second microwave generator generates microwave radiation at a second frequency, wherein the second frequency is substantially between 400-500 MHz. A microwave waveguide disposed in or at the chamber is configured to emit the microwave radiation from the first microwave generator into the chamber and an antenna disposed in or at the chamber is configured to emit the microwave radiation from the second microwave generator into the chamber.

The present invention relates to a drying apparatus capable of regenerating an adsorbent used for drying using microwaves. The drying apparatus of the present invention is formed to include a microwave irradiation means configured to irradiate microwaves to the adsorbent in a plurality of reaction towers in which the adsorbent adsorbing moisture or carbon dioxide is embedded, and when regenerating the adsorbent, directly heats the adsorbent using microwaves, thereby shortening a heating time and securing a sufficient cooling time, resulting in the effect of reducing the amount of dry air consumed for cooling and further increasing the drying efficiency.

A multi-mode microwave roll-to-roll nut drying system including an open drying chamber, a roll-to-roll device, a multi-mode microwave device and a hot air circulation device is provided. The open drying chamber includes an inlet, an outlet and a drying zone between the inlet and the outlet. The roll-to-roll device includes a conveyor belt, wherein the conveyor belt is configured to be conveyed through the inlet, the drying zone, and the outlet of the open drying chamber, and the conveyor belt is made of a non-microwave absorbing material. The multi-mode microwave device is installed above the open drying chamber to emit microwaves into the drying zone. The multi-modal microwave device includes microwave input ports, and any two adjacent ones of the microwave input ports are orthogonally arranged.

In order that it may be possible to form a strong-electric-field region at a level at which a electromagnetic waves are easily absorbed by an object to be heated 20 with low power in an electromagnetic-wave heating device 10 for heating the object to be heated 20 utilizing an electromagnetic waves, the electromagnetic-wave heating device 10 comprises: an oscillator 21 for outputting an electromagnetic waves; and a radiation antenna 22 being a conductor that radiates the electromagnetic waves outputted from the oscillator 21 and having a resonance structure in which resonance occurs in the conductor by the electromagnetic waves in a frequency band transmitted from the oscillator 21, and is configured that a strong-electric-field region for heating the object to be heated is formed along the radiation antenna 22 by the electromagnetic waves supplied from the oscillator 21 to the radiation antenna 22.

According to certain aspects, a wrapped green body carrier for a green body includes side supports and moveable supports mounted to the side supports. Each of the moveable supports includes an inner end configured to move relative to the side supports. The green body carrier includes a flexible sheet attached to and suspended from each inner end of the moveable supports. The inner ends of the moveable supports are configured to move inward to wrap the flexible sheet around at least a portion of the green body (e.g., more than 180). Accordingly, the wrapped green body carrier supports a large circumference of the green body and accommodates large deviations in shape and/or diameter. In certain embodiments, the flexible sheet includes radiation coupling material or radiation blocking material so that wrapping the flexible sheet around the green body improves uniformity during microwave drying.

Wood kilns, electrode systems for wood kilns, and methods of using the systems for the radiofrequency (RF) drying and phytosanitizing of wood are provided. The electrode systems are based on a three-electrode design in which a central plate electrode having winged edges is disposed between a pair of ground plate electrodes. The winged edges of the central electrode improve the uniformity of heating during the phytosanitizing process, relative to a five-electrode parallel plate system, or a three-electrode parallel plate system having a conventional planar central plate electrode.