JPH0288441U

JPH0288441U -

Info

Publication number: JPH0288441U
Application number: JP16745588U
Authority: JP
Priority date: 1988-12-24
Filing date: 1988-12-24
Publication date: 1990-07-12

Description

[Brief explanation of the drawing]

第１図〜第３図はこの考案の一実施例に係り、
第１図は回転電機の半断面側面図、第２図は軸受
部の詳細断面図、第３図は軸受部の側面図、第４
図〜第６図は他の考案の一実施例に係り、第４図
は回転電機の半断面側面図、第５図は軸受部の詳
細断面図、第６図ａは軸受部の側面図、第６図ｂ
は窓部の詳細図、第７図〜第１０図は従来の回転
電機の軸受装置に係り、第７図は回転電機の半断
面側面図、第８図は軸受部の詳細断面図、第９図
ａは同じく軸受部の詳細断面図、第９図ｂは第９
図ａにおけるＡ―Ａ線断面図、第１０図は風案内
装置の斜視図である。図において、４はブラケツト、５は回転軸、１
０，１１は軸受、１５，１８は放熱フイン、１６
は冷却フアン、１９は窓部である。なお、図中、
同一符号は同一、または相当部分を示す。 Figures 1 to 3 relate to an embodiment of this invention,
Figure 1 is a half-sectional side view of the rotating electrical machine, Figure 2 is a detailed sectional view of the bearing, Figure 3 is a side view of the bearing, and Figure 4 is a side view of the bearing.
6 to 6 relate to an embodiment of another invention, FIG. 4 is a half-sectional side view of the rotating electrical machine, FIG. 5 is a detailed sectional view of the bearing, FIG. 6a is a side view of the bearing, Figure 6b
7 is a detailed view of the window, FIGS. 7 to 10 relate to a conventional bearing device for a rotating electrical machine, FIG. 7 is a half-sectional side view of the rotating electrical machine, FIG. 8 is a detailed sectional view of the bearing, and FIG. Figure a is also a detailed sectional view of the bearing part, and Figure 9b is the 9th
FIG. 10 is a cross-sectional view taken along the line AA in FIG. a, and a perspective view of the wind guide device. In the figure, 4 is a bracket, 5 is a rotating shaft, 1
0, 11 are bearings, 15, 18 are heat radiation fins, 16
1 is a cooling fan, and 19 is a window. In addition, in the figure,
The same reference numerals indicate the same or equivalent parts.

Claims

[Claims for Utility Model Registration] (1) A bracket, a bearing fitted into the bracket and rotatably supporting a rotating shaft, and a bearing provided radially on the outside of the bracket and protruding in the direction of the rotating shaft. A bearing device for a rotating electric machine, comprising: a heat radiation fin; and a cooling fan having an outer diameter smaller than an inner diameter of the heat radiation fin, and which is fixed to the rotating shaft and rotates with the rotation of the rotating shaft. (2) A bracket, a bearing that is fitted into the bracket and rotatably supports the rotating shaft, and a cylindrical protrusion protruding in the direction of the rotating shaft on the outside of the bearing, and the protruding part a cooling fan having a plurality of cooling air ventilation windows around the periphery thereof, and a cooling fan having an outer diameter smaller than the inner diameter of the heat dissipating fin, and fixed to the rotating shaft and rotating with the rotation of the rotating shaft. A bearing device for a rotating electric machine equipped with the following.