A heating cooker of the present disclosure includes a heating chamber, a heating portion, a brushless motor, a body control circuit, a DC power supply circuit, a motor control circuit, and a safety device. The brushless motor is a drive source of a rotary drive mechanism included in the heating portion. The body control circuit outputs a drive signal for the brushless motor. The DC power supply circuit supplies DC power to the brushless motor. The motor control circuit controls the driving of the brushless motor in response to the drive signal. The safety device is constituted of a wired logic circuit. The safety device includes: a rotation detection element configured to detect the rotation state of the rotor of the brushless motor, and to output a rotation detection signal; and a switch for blocking a power supply line connected to the DC power supply circuit. The safety device controls the switch in response to the rotation detection signal and drive signal. The present aspect can provide a safe and reliable heating cooker that uses the brushless motor as the drive source of the rotary drive mechanism.

An electromagnetic cooking device includes a cavity in which a foodstuff is placed. A plurality of radio frequency feeds are configured to introduce electromagnetic radiation into the cavity for heating the foodstuff. A radio frequency signal generator is configured to generate a low power radio frequency signal where a high power amplifier is coupled to the radio frequency signal generator where the high power amplifier is configured to amplify the low power radio frequency signal to a high power radio frequency signal. A heat sink is coupled to the high power amplifier where the heat sink includes a flat base coupled to a plurality of fins which extend perpendicularly from a first side of the flat base. A thin metal plate includes a plurality of perforations where the perforations are filled with an epoxy resin having a carbon nanotube loading.

The present disclosure relates to a cooking apparatus including an outer housing, an inner housing positioned inside the outer housing to provide a cooking chamber, a door provided in front of the inner housing to open and close the cooking chamber, a vent fan positioned in a separation space formed between the outer housing and the inner housing and including a discharge port to flow air through the discharge port, an electrical component located on a route along which air flowing by the vent fan moves, and an electrical component cover including an electrical component cover body provided to surround the electrical component to protect the electrical component from the air flowing by the vent fan.

A heating cooking apparatus includes a heating cooking chamber, a housing, a lid portion, a first circulation portion, a first blow-out port, and a guide portion. The heating cooking chamber further includes an opening. The housing accommodates the heating cooking chamber. The lid portion opens and closes the opening. The first circulation portion causes first air to circulate between an upper wall of the heating cooking chamber and an upper wall of the housing. When the lid portion opens the opening, the guide portion guides the first air blown out from the first blow-out port toward the opening.

A cooking apparatus including an inner housing forming a cooking room; an outer housing, with a cooling space between the inner housing and the outer housing; a cooling fan in the cooling space at a lower rear side of the cooking room, and configured to suction air from outside of the cooking apparatus and to discharge the suctioned air forward; a first duct configured to guide a portion of the air discharged by the cooling fan upward to cool a first electronic component in the cooling space and to guide a remaining portion of the air discharged by the cooling fan forward to cool a second electronic component disposed in the cooling space; and a second duct configured to guide a portion of the air guided forward by the first duct into an interior of the cooking room.

A heating cooker includes a heating chamber, a heating portion, a brushless motor, a body control circuit, a DC power supply circuit, a motor control circuit, and a safety device. The brushless motor drives a rotary drive mechanism included in the heating portion. The body control circuit outputs a drive signal for the brushless motor. The DC power supply circuit supplies DC power to the brushless motor. The motor control circuit controls the driving of the brushless motor in response to the drive signal. The safety device includes a rotation detection element to detect the rotation state of the rotor of the brushless motor and output a rotation detection signal, and a switch for blocking a power supply line connected to the DC power supply circuit. The safety device controls the switch in response to the rotation detection signal and drive signal.

The present invention provides a cooking appliance, comprising a base and an oven door articulated with the base, wherein a first magnetron, a second magnetron, a first high voltage transformer and a second high voltage transformer are installed on the base; the cooking appliance further comprises an air-cooled radiator, which is installed on the base and provided with an air outlet; and cold air blown out of the air outlet flows through the first magnetron, the second magnetron, the first high voltage transformer and the second high voltage transformer. In this solution, the structure of a heat dissipation air duct system in the cooking appliance is changed, and only one air-cooled radiator is used for dissipating the heat of the two magnetrons and the two high voltage transformers, so that the quantity of heat dissipation fans in the product is reduced and the cost of the product can be reduced.

A heating cooking apparatus includes a heating cooking unit, a microwave supply unit, an air blowing mechanism, and a fixing member. The heating cooking unit includes a heating cooking chamber. The microwave supply unit is fixed to the heating cooking unit and supplies microwaves to the heating cooking chamber. The air blowing mechanism blows air onto the microwave supply unit. The fixing member is fixed to the heating cooking unit. The air blowing mechanism includes a fan, a motor that drives the fan, and a first attachment member disposed on a side, in a predetermined direction, of the fan. The fixing member includes a support portion that supports the first attachment member, and an attachment portion to which the first attachment member is attached.

A solid-state radio frequency (RF) microwave oven for an aircraft galley is dimensioned to fit the galley and includes within the oven cavity an array of RF modules disposed on the upper interior surface of the cavity. Each RF module includes one or more RF emitters programmable to heat meals placed within the oven cavity by emitting tunable RF signals. The RF modules may monitor the internal temperature and doneness of the food by detecting returned unabsorbed energy. An oven control module (OCM) may communicate with the aircraft galley network, selectively manage the activation and deactivation of RF modules depending on the food being cooked and its changing internal temperature, and tune emitted RF signals to avoid interference with aircraft communication systems. Compact heat sinks may be located within the rear of the oven cavity for the removal of excess energy from the oven.

Heating cooker (30) of the present disclosure includes convection device (35) that includes fan (14), heater (13), a first air guide, and second air guide, is communicated with heating chamber (2) through a suction port and a discharge port provided in back wall (2d) of heating chamber (2), and supplies hot air to the heating chamber (2). Fan (14) sucks air inside heating chamber (2) from the suction port into convection device (35), and sends out the air from the discharge port into heating chamber (2). Heater (13) is provided in front of fan (14), and heats the sucked air. The first air guide is provided so as to surround heater (13), and guides the heated air to the discharge port. The second air guide is provided so as to surround fan (14) and the first air guide, and guides the heated air to the discharge port. A part of the second air guide is in contact with the first air guide, and another part of the second air guide is isolated from the first air guide. According to the present disclosure, it is possible to more uniformly heat the object to be heated.