JPS5872985U - Permanent magnet field device - Google Patents

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来装置を示す断面図、第２図は第１図の装置
の組立時の説明図、第３図はこの考案の一実施例による
界磁装置の断面図である。 図中、４はヨーク、ｂはポール、１７は円板である。尚
、図中同一符号は同−又は相当部分を示す。FIG. 1 is a sectional view showing a conventional device, FIG. 2 is an explanatory diagram of the device shown in FIG. 1 when assembled, and FIG. 3 is a sectional view of a field device according to an embodiment of the invention. In the figure, 4 is a yoke, b is a pole, and 17 is a disk. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）永久磁石を筒状のヨーク内周面に固着し、その内
周に枢着された回転子を磁気付勢する界磁集合体におい
て、上記永久磁石のポールアークを半径とする穴を有す
る非磁性円板を上記永久磁石の少なく共−万端面に固着
したことを特徴とする永久磁石の界磁装置。(1) In a field assembly in which a permanent magnet is fixed to the inner circumferential surface of a cylindrical yoke and magnetizes a rotor pivotally attached to the inner circumference, a hole whose radius is the pole arc of the permanent magnet is provided. A field device for a permanent magnet, characterized in that a non-magnetic disk having a magnetic field is fixed to at least one end face of the permanent magnet. （２）非磁性円板はフェライト永久磁石の両側端面に固
着されている実用新案登録請求の範囲第１項記載の永久
磁石の界磁装置。(2) The permanent magnet field device according to claim 1, wherein the non-magnetic disks are fixed to both end surfaces of the ferrite permanent magnet.