| 发明名称 |
Gas injector for the direct injection of gaseous fuel into a combustion chamber |
| 摘要 |
A gas injector for the direct injection of gaseous fuel into a combustion chamber of an internal combustion engine, which includes a valve seat, a valve needle having a sealing region, the valve needle releasing a first cross-sectional area at the valve seat in response to a lift, a component surrounding the valve needle, and a gas control region, which is situated directly next to the sealing region, the gas control region providing a constant cross-sectional area between the valve needle and the component surrounding the valve needle across a lift length from a first lift position to a second lift position. |
| 申请公布号 |
US2015204276(A1) |
申请公布日期 |
2015.07.23 |
| 申请号 |
US201514599112 |
申请日期 |
2015.01.16 |
| 申请人 |
Robert Bosch GmbH |
发明人 |
JAEGLE Felix;Ohlhafer Olaf;Schoefer Joerg;Giezendanner-Thoben Robert |
| 分类号 |
F02M21/02 |
主分类号 |
F02M21/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A gas injector for directly injecting gaseous fuel into a combustion chamber of an internal combustion engine, comprising:
a valve seat; a valve needle having a sealing region, the valve needle releasing a first cross-sectional area at the valve seat in response to a lift; a component surrounding the valve needle; and a gas control region, which is situated at the valve needle directly next to the sealing region; wherein the gas control region provides a constant cross-sectional area between the valve needle and the component surrounding the valve needle across a lift length from a first lift position to a second lift position. |
| 地址 |
Stuttgart DE |
