Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Reexamination Certificate
2005-06-28
2005-06-28
Mohanty, Bibhu (Department: 3747)
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
Reexamination Certificate
active
06910458
ABSTRACT:
In an injection quantity control apparatus for an internal combustion engine, a command value of an injection quantity is calculated based on a command injection quantity. After that, an injector provided for each cylinder is actuated so that a fuel injection quantity supplied into each of the cylinders is controlled in accordance with the command value. In that process, a correction amount learned in a learning control is reflected in the calculation of the command injection quantity or the command value. The learning control is performed while a cylinder cut-off control is performed when a predetermined engine operating condition is met. In the cylinder cut-off control, all of the cylinders are divided into K groups and the cylinder cut-off control is performed with the cylinders of a group in the K groups.
REFERENCES:
patent: 5848581 (1998-12-01), Hirose et al.
patent: 2003/0164166 (2003-09-01), Takeuchi et al.
patent: 7-63104 (1995-03-01), None
Denso Corporation
Mohanty Bibhu
Nixon & Vanderhye P.C.
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