JPS59139634U

JPS59139634U - Magnetic particle type electromagnetic coupling device

Info

Publication number: JPS59139634U
Application number: JP3434583U
Authority: JP
Inventors: 吉野　一雄
Original assignee: 三菱電機株式会社
Priority date: 1983-03-08
Filing date: 1983-03-08
Publication date: 1984-09-18

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図は従来の磁性粒子式電磁連結装置を示す断面図、
第２図はこの考案の一実施例を示す断面図、第３図はこ
の考案の他の実施例を示す断面図である。図中、１１はステータ、１２は励磁コイル、１３はドラ
イブメンバ、１３ａは第１のファン片、１４は中空軸、
１５はブラケット、１５ａはインロー、１５ｂは円板状
部材、１５Ｃ，１５ｄ。１５ｅは通風路、１６はベアリング、１８は磁性粒子、
１９は取付板、２１はカラー、２１ａは第２のファン片
、１４ａ、２１ｂは通風穴である。尚図中、同一符号は同一または相当部分を示す。第１図第２図Figure 1 is a sectional view showing a conventional magnetic particle type electromagnetic coupling device.
FIG. 2 is a sectional view showing one embodiment of this invention, and FIG. 3 is a sectional view showing another embodiment of this invention. In the figure, 11 is a stator, 12 is an exciting coil, 13 is a drive member, 13a is a first fan piece, 14 is a hollow shaft,
15 is a bracket, 15a is a spigot, 15b is a disc-shaped member, 15C, 15d. 15e is a ventilation path, 16 is a bearing, 18 is a magnetic particle,
19 is a mounting plate, 21 is a collar, 21a is a second fan piece, and 14a, 21b are ventilation holes. In the drawings, the same reference numerals indicate the same or corresponding parts. Figure 1 Figure 2

Claims

[Scope of utility model registration request]

(1) a first connecting body having a first fan piece on its outer periphery;
a second connecting body disposed radially inwardly with respect to the first connecting body through a predetermined annular gap and having a built-in excitation means; magnetic particles filled in the annular gap; and the second connecting body a bracket that is fastened to the bracket and is coupled to a mounting plate of the device, a collar disposed approximately radially inside the bracket and having a second fan piece, and a collar between the bracket and the mounting plate and the first connecting body; a ventilation passage that passes through the disc-shaped member from the outer peripheral side of the mounting plate and leads to the first fan piece;
A ventilation passage penetrating from the inner peripheral side of the mounting plate to one side of the first fan, and a ventilation passage penetrating from the inner peripheral side facing the second fan piece to the side surface or outer peripheral side are formed. Features a magnetic particle type electromagnetic coupling device.

(2) The magnetic particle type electromagnetic coupling device according to claim 1, which is a registered utility model, characterized in that a heat radiation fin is installed in a part or all of the ventilation path of the bracket.