A radiation heating device includes: a planar heat generation layer; a heat generation portion that is provided in the heat generation layer and that generates heat by energization; a plurality of heat radiation portions that are disposed in the heat generation layer and that radiate heat transferred from the heat generation portion; a low heat conduction portion that is provided around each of the heat radiation portions and that has a lower heat conductivity than the heat radiation portions; and a contact detection unit that detects contact of an object with the heat generation layer. The radiation heating device further includes an energization amount decrease unit that decreases an energization amount of the heat generation portion when the contact detection unit detects the contact of the object with the heat generation layer.

An oven has a first conveyor, a first burner that directs heat toward the first conveyor from above the first conveyor, and a second burner that directs heat toward the first conveyor from below the first conveyor. A method includes providing foodstuff on a conveyor, exposing the foodstuff to heat directed toward the foodstuff from above the conveyor, and exposing the foodstuff to heat directed toward the foodstuff from below the conveyor. Another oven has a first conveyor and first conveyor insulators that surround the first conveyor and define a first zone. Another method includes introducing foodstuff to a first conveyor belt within a first insulated zone, introducing heat into the first insulated zone, and retaining a portion of the heat within the first insulated zone. Another oven has an insulated cooking zone that closely envelopes a cooking path and an insulated oven zone that substantially envelopes the cooking zone.

In a method for treating food to be cooked in a household cooking appliance, a sensor measures a local distribution of a surface condition of the food to be cooked. A measure of deviation is calculated from the measured local distribution and multiple local power distributions that are known in advance in the region of the food to be cooked in correspondence with different sets of setting values of a unit for treating the food to be cooked. A unit for treating the food to be cooked is operated by using the set of setting values of the one of the power distributions for which the measure of deviation fulfills a predetermined criterion.

A cooking appliance (400) including: a body (402) providing a floor (404), a ceiling (406) and an intermediate wall (408) located between the floor (404) and ceiling (406), the floor (404), ceiling (406), and wall (408) at least partly surrounding a cooking cavity (410), the body (402) having an opening (412) via which product to be cooked can be moved relative to the cavity (410); a heating element (420) located in the cavity (410) to deliver radiant energy to cook the product; a cooling system (434) coupled to the body (402), the cooling system (434) including an airflow channel (436) communicating with a cold pin section (424) of the heating element (420), the airflow channel (436) configured to direct airflow to the cold pin section (424) to selectively cool the cold pin section (424); and a shield (444) positioned relative to the cold pin section (424) to shield the cavity (410) from at least a portion of the airflow.

A cooking apparatus is disclosed. The cooking apparatus according to one exemplary embodiment of the present disclosure comprises: an inner wall for forming a cooking chamber; an outer wall for encompassing the inner wall; a microwave generating part for emitting a microwave at a passage, which is a space surrounded by the inner wall and the outer wall; and an absorbing layer absorbing the microwave to be propagated along the passage, so as to emit an infrared ray at the cooking chamber.

An oven has at least one of bake and broil heating elements which have a temperature switch as a portion of the replaceable heating element. Upon reaching a predetermined temperature, the switch opens and power through the heating element is secured. Once temperature is reduced below another predetermined temperature, the switch closes for normal operation.

An electric deep cooker including a main body and cover adapted to fully enclose food therein that includes a plurality of main electric heating elements connected along the interior surfaces of the main body and cover and are adapted to uniformly heat and cook food through its entire outer surface from the outside in, and further includes an electric interior heating element attached to the cover and adapted to be placed within the food being cooked and thereby heat and cook the food from the inside out while the plurality of main heating elements heat and cook the food from the outside in, to thereby uniformly and properly heat and cook the food, and in a shorter amount of time, than prior art electric deep cookers, and without the need to rotate the food within the main body of the electric deep cooker.

Techniques regarding the composition and/or structure of oven walls are provided. For example, one or more embodiments described herein can comprise an oven with a heat source configured to heat a hollow space within the oven. The oven further can comprise an oven body that can define the hollow space. Also, the oven body can comprising a plurality of connected sides, wherein one or more of the connected sides comprise a plurality of carbon nanotubes.

An oven appliance or method may provide for directing a pre-cooking setting of a first heating element and receiving a first-sensor temperature signal from a first temperature sensor. Receiving the first-sensor temperature signal may occur during the pre-cooking setting of the first heating element. The method may also include determining a first progress value based on the first-sensor temperature signal and a first fractional constant. The first fractional constant may be a predetermined proportion of a pre-cooking phase. The method may further include receiving a second-sensor temperature signal from a second temperature sensor and determining a second progress value based on the second-sensor temperature signal and a second fractional constant. The second fractional constant may be a predetermined proportion of the pre-cooking phase. The method may still further include directing display of a progress icon based on the first progress value and the second progress value.

An oven appliance or method may provide for directing a pre-cooking setting of a first heating element and receiving a first-sensor temperature signal from a first temperature sensor. Receiving the first-sensor temperature signal may occur during the pre-cooking setting of the first heating element. The method may also include determining a first progress value based on the first-sensor temperature signal and a first fractional constant. The first fractional constant may be a predetermined proportion of a pre-cooking phase. The method may further include receiving a second-sensor temperature signal from a second temperature sensor and determining a second progress value based on the second-sensor temperature signal and a second fractional constant. The second fractional constant may be a predetermined proportion of the pre-cooking phase. The method may still further include directing display of a progress icon based on the first progress value and the second progress value.