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1. 发明授权

US5182426A Microwave oven having an improved antenna 失效
标题翻译：微波炉具有改进的天线
公开(公告)号：US5182426A
公开(公告)日：1993-01-26
申请号：US809459
申请日：1991-12-17
申请人： John B. Sklenak , Joseph C. Maiellano, Jr.
发明人： John B. Sklenak , Joseph C. Maiellano, Jr.
IPC分类号： H05B6/74
CPC分类号： H05B6/74
摘要： A microwave oven antenna having a three-dimensional motion. A vertical shaft has a microwave antenna coupled to a first end and is attached at a second end to a first driven gear. A cam follower member extends from the first driven gear to engage with a second driven gear having a slanted surface. The first and second driven gears are coupled to first and second drive gears by respective drive belts, such arrangement providing independent rotation to the first and second driven gears. Either the first and second drive gears or the first and second driven gears are of different diameter so that the relative motion of the gears provides the antenna in a different rotational position after consecutive vertical excursions. With this arrangement, the uniformity of heating food products in a microwave oven is improved by increasing the randomness of the mode pattern.
摘要翻译：具有三维运动的微波炉天线。垂直轴具有耦合到第一端的微波天线，并且在第二端附接到第一从动齿轮。凸轮从动件从第一从动齿轮延伸，与具有倾斜表面的第二从动齿轮接合。第一和第二从动齿轮通过相应的驱动带联接到第一和第二驱动齿轮，这样的布置为第一和第二从动齿轮提供独立的旋转。第一和第二驱动齿轮或第一和第二从动齿轮的直径不同，使得齿轮的相对运动在连续的垂直偏移之后将天线提供在不同的旋转位置。通过这种布置，通过增加模式图案的随机性来提高微波炉中加热食品的均匀性。

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