Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2006-04-18
2006-04-18
Moulis, Thomas (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C123S494000
Reexamination Certificate
active
07028667
ABSTRACT:
A fuel supply apparatus for an internal combustion engine includes a rotation position detection unit for outputting a rotation position signal of the internal combustion engine, a control unit for controlling a electromagnetic valve by the rotation position signal so that the discharge amount corresponds to an operation state, and an error estimation means for estimating the attachment error of a high pressure fuel pump and a pump driving cam on the basis of a fuel pressure change position where the fuel pressure in a delivery pipe is changed by a discharge start of the high pressure fuel pump and a rotation position of the internal combustion engine, in which the control unit controls the control signal to the electromagnetic valve according to the attachment error estimated by the error estimation means.
REFERENCES:
patent: 6314945 (2001-11-01), Sugiyama et al.
patent: 6526947 (2003-03-01), Shimada et al.
patent: 6820596 (2004-11-01), Namari et al.
patent: 2001/0006061 (2001-07-01), Shimada et al.
patent: 2004/0011335 (2004-01-01), Namari et al.
patent: 4-334740 (1992-11-01), None
Mitsubishi Denki & Kabushiki Kaisha
Moulis Thomas
Sughrue & Mion, PLLC
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