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Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff

A technology of electromagnetic energy and cooking device, which is applied in the field of transmitting radio frequency electromagnetic energy to cook food and devices, and can solve the problems of limited ability of microwave emission and the like

Active Publication Date: 2018-10-23
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of using such a high power source is the limited ability to control the microwave emission

Method used

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  • Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff
  • Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff
  • Method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff

Examples

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Embodiment Construction

[0008] figure 1 Illustrated is a cooking apparatus, shown as a microwave appliance or microwave oven 10, having a housing 12 defining a cavity 14 in which at least one food item or "food item" 16 (shown schematically as a box) can be placed. figure 1 The microwave oven 10 is illustrated as having an open cavity 14 to facilitate delineation of a food item 16, and embodiments of the present disclosure may include a microwave oven 10 having a closed cavity 14, such as via a pivotable, movable, or removable panel (such as a door). . Each food material 16 will have a thermal time constant, which is generally defined as a measure of time for the temperature of the food material to change from one temperature to another under ambient conditions. For example, a thermal time constant may refer to the time-temperature dependence of the fall or decay of food material to ambient temperature at a given first temperature (greater than the ambient temperature in the space). In one non-limi...

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Abstract

A method and apparatus for delivering radio frequency electromagnetic energy to cook foodstuff in an enclosed cavity of a cooking device includes generating, with a small signal generating component,a radio frequency signal at a first power level, amplifying the radio frequency signal to a second power level greater than the first power level with a radio frequency amplification component, and feeding the amplified radio frequency signal to the enclosed cavity.

Description

Background technique [0001] Current microwave cooking appliances use high power tubes to generate microwaves with a nominal operating frequency to heat food. The disadvantage of using such a high power source is the limited ability to control the microwave emission. The solid state source enable designation allows for more controlled firing of cookware. Some solid-state source microwave cooker designs include a model to define the microwave cavity, but do not allow for a specified cooking strategy for the food within the cavity. There is a need for improved control of emissions using solid state sources for better heating and more efficient appliances for specific food products. Contents of the invention [0002] In one aspect, a method of delivering radio frequency electromagnetic energy to cook food in an enclosed cavity of a cooking device includes the steps of: generating a radio frequency signal at a first power level with a small signal generating assembly, the radio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/68H05B6/70
CPCH05B6/705H05B6/686Y02B40/00
Inventor D·古阿塔
Owner PANASONIC CORP
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