| 发明名称 |
A VALVE NEEDLE AND METHOD OF MANUFACTURE |
| 摘要 |
A fuel injection valve for an internal combustion engine, in which the valve needle blanks are cut from a profile bar having grooves in its circumference which extends the direction of the longitudinal axis; the blanks are then twisted to form helical grooves and then machined in a metal-cutting manner, in order to produce the final needle shape. |
| 申请公布号 |
AU622298(B2) |
申请公布日期 |
1992.04.02 |
| 申请号 |
AU19900052260 |
申请日期 |
1990.03.27 |
| 申请人 |
ROBERT BOSCH GMBH |
发明人 |
WALDEMAR HANS;GUNTHER BENSCH |
| 分类号 |
B23P13/00;B23P13/04;F02M19/04;F02M51/06;F02M61/10;F02M61/12;F02M61/16;F02M61/18;(IPC1-7):F02M61/10;B23P17/00;F16K1/38 |
主分类号 |
B23P13/00 |
| 代理机构 |
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代理人 |
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