Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2005-05-17
2005-05-17
Huynh, Hai (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
Reexamination Certificate
active
06892708
ABSTRACT:
A fuel injection valve driving method includes control of an overexciting current and a holding current supplied to the fuel injection valve in accordance with a target fuel supply pressure as obtained from an operating condition. Thereby the opening and holding of the open position of the fuel injection valve is controlled.
REFERENCES:
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patent: 6332455 (2001-12-01), Sumida et al.
patent: 6453876 (2002-09-01), Fukutomi et al.
patent: 6532940 (2003-03-01), Ono et al.
patent: 6684862 (2004-02-01), Oyama et al.
patent: 06-241137 (1994-08-01), None
Crowell & Moring LLP
Hitachi , Ltd.
Huynh Hai
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