JPS6221759U

JPS6221759U -

Info

Publication number: JPS6221759U
Application number: JP11312785U
Authority: JP
Priority date: 1985-07-22
Filing date: 1985-07-22
Publication date: 1987-02-09

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例による冷却フアン
取り付け装置を示す図で、第１図は側面図、第２
図は第１図の正面図、第３図は第４図の従来のフ
アン取り付け装置を示す図で、第３図は側面図、
第４図は第３図の正面図である。図中、１……回転子鉄心、２……エンドリング
、３，６……冷却フアン、３ａ，６ａ，６ｂ……
貫通穴、４……突子である。なお、図中、同一符
号は同一または相当部分を示す。 Fig. 1 is a diagram showing a cooling fan mounting device according to an embodiment of this invention; Fig. 1 is a side view, and Fig. 2 is a side view;
The figure is a front view of Figure 1, Figure 3 is a diagram showing the conventional fan mounting device of Figure 4, and Figure 3 is a side view.
FIG. 4 is a front view of FIG. 3. In the figure, 1... Rotor core, 2... End ring, 3, 6... Cooling fan, 3a, 6a, 6b...
Through hole, 4...is a protrusion. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A plurality of protrusions are formed at approximately equal intervals on the same outer end surface of the end ring of the rotor core, and a plurality of through holes are formed that are fitted into each of the plurality of protrusions at one place. In the device having an L-shaped cooling fan, the shape of the cooling fan is U-shaped, and the length in the width direction in contact with the outer end surface of the end ring is longer than the length in the width direction of the cooling fan, and the fitting A fan mounting device characterized by having at least two through holes.