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1. 发明授权

US4900985A High-voltage input terminal structure of a magnetron for a microwave oven 失效
标题翻译：用于微波炉的磁控管的高电压输入端子结构
公开(公告)号：US4900985A
公开(公告)日：1990-02-13
申请号：US126229
申请日：1987-11-27
申请人： Norio Tashiro , Masaki Adachi , Toshio Ikeda , Hisao Saito , Saburo Matsushita , Masataka Komine
发明人： Norio Tashiro , Masaki Adachi , Toshio Ikeda , Hisao Saito , Saburo Matsushita , Masataka Komine
IPC分类号： H01J23/15
CPC分类号： H01J23/15
摘要： In a magnetron for microwave oven, a high-voltage input terminal structure 30 is provided on a shield box 26 mounted on a magnetron unit 22. The high-voltage input terminal structure 30 has a cylindrical earth electrode 33, a cylindrical high potential inner electrode 32 and a central conductor 31a. The cylindrical earth electrode 33 is secured to the shield box 26 and the cylindrical high potential inner electrode 32 is coaxially arranged in the cylindrical earth electrode 33. The central conductor 31a is connected through an inductor 28 to a cathode lead 27 of the magnetron unit 22. An insulating resin 34b is filled in a gap between the cylindrical earth electrode 33 and the highpotential electrode 32 to form a capacitor section C. Cylindrical insulating sheaths 37, 38 are formed by the resin on the both sides of the capacitor section C. The capacitor section C and the cylindrical insulating sheaths, 37, 38 are integrally formed and continuously extended along a straight line.
摘要翻译：在用于微波炉的磁控管中，高压输入端子结构30设置在安装在磁控管单元22上的屏蔽盒26上。高电压输入端子结构30具有圆柱形接地电极33，圆柱形高电位内部电极 32和中心导体31a。圆筒形接地电极33固定在屏蔽箱26上，圆柱形高电位内部电极32同轴地布置在圆柱形接地电极33中。中心导体31a通过电感器28连接到磁控管单元22的阴极引线27 绝缘树脂34b填充在圆柱形接地电极33和高电位电极32之间的间隙中以形成电容器部分C.圆柱形绝缘护套37,38由电容器部分C两侧的树脂形成。电容器部分C和圆柱形绝缘护套37,38一体地形成并沿着直线连续延伸。

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