| 发明名称 |
ELECTRICAL CAR BRAKING CONTROLLER CHANGE 49967461 |
| 摘要 |
<p>PURPOSE:To make a dimension and a weight of a resistor smaller by utilizing an exhaust wind to cool a thyristor or a reactor for cooling a series resistor of an armature at an electrical car braking controller using a thyristor chopper.</p> |
| 申请公布号 |
JPS52142220(A) |
申请公布日期 |
1977.11.28 |
| 申请号 |
JP19770062140 |
申请日期 |
1977.05.30 |
| 申请人 |
HITACHI LTD |
发明人 |
HIGUCHI TOORU |
| 分类号 |
H02P3/14;B60L7/12;H02P7/28;H02P7/29 |
主分类号 |
H02P3/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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