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Microwave oven

A microwave oven and microwave technology, applied in microwave heating, electric/magnetic/electromagnetic heating, electrical components, etc., can solve problems such as difficult heating methods, and achieve the effect of improved left-right symmetry and large degrees of freedom

Inactive Publication Date: 2004-06-16
WHIRLPOOL CORP
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Although it is to some extent computationally possible to obtain a so-called cavity resonant mode in a cuboid, it has proven difficult to achieve a reasonably symmetrical heating pattern in such a cavity, especially when it is when feeding

Method used

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Examples

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Embodiment Construction

[0039] figure 1 and figure 2 The illustrated embodiment of the microwave oven according to the invention comprises an outer housing 1 , shown only roughly, and an oven cavity 2 , which is closed by means of a front door 3 . The cavity 2 consists of a horizontal cavity bottom 4 , a horizontal cavity top 5 , a vertical rear cavity wall 6 , a front vertical wall on the inside of the front door 3 and two cavity side walls 7 , 8 . exist figure 1 and figure 2 The right side wall 7 is vertical and equipped with a microwave device for feeding microwaves into the oven cavity through the slot-shaped rectangular side wall opening 10, for example as will be described in detail below. figure 1 and figure 2 The left side wall 8 is inclined somewhat inwardly and thus forms an angle of approximately 3° with respect to the vertical. Thus, apart from the inward slope of the side walls 8, the cavity is a cuboid. However, said inward slope is so small that no substantial difference from ...

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PUM

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Abstract

The invention discloses a microwave oven and a method for feeding microwaves into it. The rectangularly parallelepipedal oven cavity (2) has a side wall (8) with a slight inward slope which gives an upwardly decreasing horizontal cross section. By the selection of a suitable slope the mode balance in the cavity is affected so that the best equalisation of the heating pattern is obtained.

Description

technical field [0001] The invention relates to a microwave oven and a method for feeding microwaves into the microwave oven. Background technique [0002] Microwave ovens for domestic use and the like generally consist of a substantially cuboid cavity. This is due to manufacturing considerations and the general opinion that microwave ovens should be. Although it is to some extent computationally possible to obtain a so-called cavity resonant mode in a cuboid, it has proven difficult to achieve a reasonably symmetrical heating pattern in such a cavity, especially when it is when feeding. The heating method is usually improved by using so-called field stirrers or rotating bottom plates for loads. [0003] In similar cases, eg tunnel ovens for industrial microwave heating, geometries of vertical cross-section (transverse to the direction of transport through the oven) other than rectangular have been used. In such structures, it has been thought that the effect of the wall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B6/74H05B6/64H05B6/80
CPCH05B6/6426H05B6/80
Inventor P·O·里斯曼D·卡尔松
Owner WHIRLPOOL CORP
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