JPS58193544U

JPS58193544U - magnetron

Info

Publication number: JPS58193544U
Application number: JP9274782U
Authority: JP
Inventors: 勉山本
Original assignee: 株式会社東芝
Priority date: 1982-06-21
Filing date: 1982-06-21
Publication date: 1983-12-23

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来のマグネトロンを示す半断面図、第２図は
マグネトロンとファンの距離に対するアノード温度の関
係を示す特性曲線図、第３図はこの考案の一実施例に係
るマグネトロンを示す半断面図、第４図ａ、　　ｂはこ
の考案のマグネトロンで用いる補助外筒を風ガイドとの
関係で示す正面図と断面図、第５図はこの考案の変形例
を示す半断面図である。１・・・マグネトロン本体、２，３・・・永久磁石、−
４・・・冷却フィン、５・・・上部磁性体ヨーク、６・
・・下部磁性体ヨーク、１１・・・外筒（風ガイド）、
１２・・・冷却フィン、１３・・・補助外筒。Fig. 1 is a half-sectional view showing a conventional magnetron, Fig. 2 is a characteristic curve showing the relationship between the anode temperature and the distance between the magnetron and the fan, and Fig. 3 is a half-sectional view showing a magnetron according to an embodiment of this invention. 4a and 4b are a front view and a sectional view showing the auxiliary outer cylinder used in the magnetron of this invention in relation to the wind guide, and FIG. 5 is a half sectional view showing a modification of this invention. 1... Magnetron body, 2, 3... Permanent magnet, -
4. Cooling fin, 5. Upper magnetic yoke, 6.
...Lower magnetic yoke, 11...Outer cylinder (wind guide),
12... Cooling fin, 13... Auxiliary outer cylinder.

Claims

[Scope of utility model registration request]

(1) In a magnetron, permanent magnets are arranged on both sides of the magnetron body in the axial direction, a plurality of cooling fins are attached to the outer periphery of the magnetron body, and a wind guide is provided on the outside of the cooling fin. A magnetron characterized in that an auxiliary outer cylinder is attached to the auxiliary outer cylinder so that its protruding dimension can be varied.

(2) The above-mentioned wind guide is an outer cylinder that surrounds the cooling fins when the cooling fins are vertically blown type, and a yoke that surrounds the permanent magnet, cooling fins, and magnetron main body when the above-mentioned cooling fins are horizontally blown type.Utility model A magnetron according to claim 1.

(3) A utility model registered as claimed in claim 2, wherein the outer cylinder is provided with a plurality of through holes, and the auxiliary outer cylinder is provided with a tongue piece, and the tongue piece is fitted into the through hole. magnetron.