JPS5543904A - Casting cage type rotor of rotary electric machine - Google Patents
Casting cage type rotor of rotary electric machineInfo
- Publication number
- JPS5543904A JPS5543904A JP11408378A JP11408378A JPS5543904A JP S5543904 A JPS5543904 A JP S5543904A JP 11408378 A JP11408378 A JP 11408378A JP 11408378 A JP11408378 A JP 11408378A JP S5543904 A JPS5543904 A JP S5543904A
- Authority
- JP
- Japan
- Prior art keywords
- bosses
- shrinkage
- case
- end rings
- electric machine
- 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
- 238000005266 casting Methods 0.000 title abstract 3
- 238000001816 cooling Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000007847 structural defect Effects 0.000 abstract 1
Landscapes
- Induction Machinery (AREA)
Abstract
PURPOSE: To improve reliability in case of operation at high speed, by preventing the production of shrinkage holes, cracks due to shrinkage, etc. in boss root portions by mounting grooves around the roots of bosses for balance of this casting cage type rotor to which bars and end rings are integrally installed.
CONSTITUTION: Bosses 4 for balance are casted at the center between adjacent cooling fans 1 in the axial 3 direction that continues from end rings 2, and concave grooves 8 are disposed around the roots of the bosses 4. Blance weights 6 are fitted to such bosses 4, and slip-off is prevented by crushing the head portions of the bosses 4. Said grooves 8 function as the buffer portions of cooling speed in case of casting, and damp the rapid change of thickness or volume resulting from the each difference of the thickness or volume of the end rings 2 and the bosses 4, thus obviating the generation of the structural defects of shrinkage holes to cracks due to shrinkage or the like. Consequently, the reliability of a rotary electric machine in case of operation at high speed can be promoted.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11408378A JPS5543904A (en) | 1978-09-19 | 1978-09-19 | Casting cage type rotor of rotary electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11408378A JPS5543904A (en) | 1978-09-19 | 1978-09-19 | Casting cage type rotor of rotary electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5543904A true JPS5543904A (en) | 1980-03-28 |
Family
ID=14628639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11408378A Pending JPS5543904A (en) | 1978-09-19 | 1978-09-19 | Casting cage type rotor of rotary electric machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5543904A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014227079A (en) * | 2013-05-23 | 2014-12-08 | 日信工業株式会社 | Hydraulic master cylinder of hydraulic master cylinder device for handlebar vehicle and manufacturing method therefor |
-
1978
- 1978-09-19 JP JP11408378A patent/JPS5543904A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014227079A (en) * | 2013-05-23 | 2014-12-08 | 日信工業株式会社 | Hydraulic master cylinder of hydraulic master cylinder device for handlebar vehicle and manufacturing method therefor |
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