JPS649476U - - Google Patents
Info
- Publication number
- JPS649476U JPS649476U JP10280387U JP10280387U JPS649476U JP S649476 U JPS649476 U JP S649476U JP 10280387 U JP10280387 U JP 10280387U JP 10280387 U JP10280387 U JP 10280387U JP S649476 U JPS649476 U JP S649476U
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- rotor core
- electric machine
- cooling fin
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims description 8
- 230000004323 axial length Effects 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Induction Machinery (AREA)
- Motor Or Generator Cooling System (AREA)
Description
第１図はこの考案の一実施例による全閉外扇形
回転電機の回転子の側面図、第２図は軸方向の温
度分布の比較図、第３図は従来の全閉外扇形回転
電機の縦断面図である。
３はフレーム、５は軸、６は回転子鉄心、７は
外扇フアン、９，１０は冷却フイン。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 side view of the rotor of a totally enclosed external fan-shaped rotating electric machine according to an embodiment of this invention, Fig. 2 is a comparison diagram of the temperature distribution in the axial direction, and Fig. 3 is a longitudinal section of a conventional totally enclosed external fan-shaped rotating electric machine. It is a diagram. 3 is a frame, 5 is a shaft, 6 is a rotor core, 7 is an outer fan, and 9 and 10 are cooling fins. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
の内部を貫通して突出した回転軸と、この回転軸
の突出部に取付けられた冷却フアンと、この冷却
フアンによつて上記フレーム、ブラケツトなどの
外表面から冷却される回転子鉄心と、この回転子
鉄心にダイキヤストによつて鋳込まれ成形され鉄
心両端面より突出して先端部に複数の冷却フイン
を有した二次導体を備え、上記冷却フアンに近接
した側の上記冷却フイン部の軸方向の長さを他側
の冷却フインの軸方向の長さより長くしたことを
特徴とする全閉外扇形回転電機。 A rotating shaft protrudes through the inside of a rotating electric machine covered with a frame, a bracket, etc., a cooling fan is attached to the protrusion of the rotating shaft, and the cooling fan cools the outer surface of the frame, bracket, etc. A rotor core is cooled from the rotor core, and a secondary conductor is die-cast into the rotor core and has a plurality of cooling fins at its tip, protruding from both end faces of the core, and is close to the cooling fan. A fully enclosed external fan-shaped rotating electric machine, characterized in that the axial length of the cooling fin portion on the side facing the cooling fin is longer than the axial length of the cooling fin portion on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10280387U JPS649476U (en) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10280387U JPS649476U (en) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649476U true JPS649476U (en) | 1989-01-19 |
Family
ID=31333046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10280387U Pending JPS649476U (en) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649476U (en) |
-
1987
- 1987-07-02 JP JP10280387U patent/JPS649476U/ja active Pending
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