JPS6229751U - - Google Patents

Description

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

第１図はこの考案の一実施例による回転電機軸
受冷却装置を示す縦断面図、第２図は従来の回転
電機の冷却装置を示す縦断面図である。 １はフレーム、２は固定子鉄心、３はブラケツ
ト、４は回転軸、５は内部フアン、５ａは第１の
羽根、６は吸気口、７は排気口、８は軸受、９は
第２の羽根、１０は軸受冷却用貫通穴、１１は導
風板。なお、図中同一符号は同一、又は相当部分
を示す。 FIG. 1 is a longitudinal sectional view showing a rotating electrical machine bearing cooling device according to an embodiment of the invention, and FIG. 2 is a longitudinal sectional view showing a conventional rotating electrical machine cooling device. 1 is a frame, 2 is a stator core, 3 is a bracket, 4 is a rotating shaft, 5 is an internal fan, 5a is a first blade, 6 is an intake port, 7 is an exhaust port, 8 is a bearing, 9 is a second The blade, 10 is a through hole for bearing cooling, and 11 is a wind guide plate. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸気口と排気口とを有するフレームと、このフ
レームの両側面に各々取付られ内周近傍に複数個
の軸方向貫通穴を有するブラケツトと、これらブ
ラケツトの内周部に支承された各々の軸受と、こ
の軸受に支承された回転軸と、この回転軸に嵌着
され上記フレームの排気口へのびた側板面に複数
個の第１の羽根を有するとともにこの第１の羽根
が取付られた側板を挾んで相対する側に第２の羽
根を有した排気フアンと、この排気フアンの第２
の羽根の側面に沿つて一側が上記ブラケツトの貫
通穴の外周部外径側から他側が上記排気口へ至る
導風板を備えた回転電機の軸受冷却装置。 A frame having an intake port and an exhaust port, a bracket attached to each side of the frame and having a plurality of axial through holes near the inner periphery, and bearings supported on the inner periphery of these brackets. , a rotating shaft supported by this bearing, a plurality of first blades on the side plate surface fitted on the rotating shaft and extending to the exhaust port of the frame, and sandwiching the side plate to which the first blades are attached. an exhaust fan having a second blade on the opposite side;
A bearing cooling device for a rotating electric machine, comprising a baffle plate whose one side extends from the outer periphery of the through hole of the bracket to the exhaust port along the side surface of the blade.