COMMON RAIL TYPE FUEL INJECTION DEVICE
申请公布号:JP2006138246(A)
申请号:JP20040327874
申请日期:2004.11.11
申请公布日期:2006.06.01
发明人:TANABE YOSHIKI;NAKAYAMA SHINJI;KOKETSU SUSUMU
分类号:F02M55/02;F02D41/38;F02M37/00;F02M47/00
主分类号:F02M55/02
摘要:<P>PROBLEM TO BE SOLVED: To provide a common rail type fuel injection device capable of accurately controlling fuel injection quantity by preventing fuel injection pressure after pressure increase from fluctuating according to difference of fuel injection timing. <P>SOLUTION: Rail pressure correction quantity KP with periodical fluctuation of common rail pressure due to fuel pumping by a pressure pump taken into account is calculated based on fuel injection timing Tij and target injection pressure tgtPij. Injection pressure after pressure increase can be equalized irrespective of difference of injection timing by correcting the target rail pressure tgtPrail by the calculated rail pressure correction quantity KP. <P>COPYRIGHT: (C)2006,JPO&NCIPI
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