| 发明名称 |
ELECTROMAGNETIC CHANGEOVER VALVE FOR INTERNAL COMBUSTION ENGINE EXHAUST GAS PURIFIER |
| 摘要 |
PURPOSE:To simplify the structure of piping, by providing in a main body of an electromagnetic changeover valve orifices for controlling the speed of introduction of negative pressure and atmospheric pressure into a negative pressure chamber.
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| 申请公布号 |
JPS5413818(A) |
申请公布日期 |
1979.02.01 |
| 申请号 |
JP19770079474 |
申请日期 |
1977.07.05 |
| 申请人 |
TOYOTA MOTOR CO LTD;AISAN IND |
发明人 |
IWATA MINORU;YASUDA TAKESHI;HAGIWARA SHIYOUICHI |
| 分类号 |
F01N3/22 |
主分类号 |
F01N3/22 |
| 代理机构 |
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代理人 |
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