发明名称 |
Method for recalibrating the injection law of a fuel injector |
摘要 |
<p>A method for refreshing the injection law of a fuel injector (4) to be tested in an injection system; the method includes the steps of: establishing the desired fuel quantity (Qd) for the fuel injector (4) to be tested; performing at least one first measurement opening of the fuel injector (4) to be tested in a test actuation time (T); determining a pressure drop (”P) in a common rail (5) during the first measurement opening of the fuel injector (4) to be tested; determining a first fuel quantity (Q1) which is fed during the first measurement opening; calculating a second fuel quantity (Q2) as the difference between the desired fuel quantity (Qd) and the first fuel quantity (Q1); and performing a second completion opening of the fuel injector (4) to be tested for feeding the second fuel quantity (Q2) needed to reach the desired fuel quantity (Qd).</p> |
申请公布号 |
EP2672096(A1) |
申请公布日期 |
2013.12.11 |
申请号 |
EP20130170948 |
申请日期 |
2013.06.06 |
申请人 |
MAGNETI MARELLI S.P.A. |
发明人 |
SGATTI, STEFANO;PAROTTO, MARCO;SERRA, GABRIELE;SENSI, FABIO |
分类号 |
F02D41/24 |
主分类号 |
F02D41/24 |
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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