发明名称 |
COMMUTATORE PER L'IMPIEGO IN MOTORI ELETTRICI |
摘要 |
A commutator for a motor and a method of making the same wherein the motor has a stator and a rotor with a rotary shaft and the commutator consists of a plurality of commutator segments embedded in an insulating body, with each of the commutator segments having contact surfaces for engagement with a brush. The commutator is formed with a number of hemispherical shaped impressions so as to form a rough surface. A method of manufacturing the commutator comprises embedding a plurality of commutator segments in a body made of insulating material and the step of forming hemispherical impressions in the commutator segments by directing a jet of particles onto the surfaces of the commutator segments with a predetermined pressure so as to provide the desired roughened surface. |
申请公布号 |
IT1137854(B) |
申请公布日期 |
1986.09.10 |
申请号 |
IT19810023449 |
申请日期 |
1981.08.10 |
申请人 |
SONY CORP |
发明人 |
HIROAKI HIRANO;TAKASHI HONDO |
分类号 |
H01R39/38;H01R39/04;H01R43/06;H02K13/00;(IPC1-7):H01H/ |
主分类号 |
H01R39/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|