Method of and an apparatus for controlling assist air in an internal combustion engine
AssigneeJapan Electronic Control Systems Co., Ltd.
InventorsJunichi Furuya, Mitsuru Miyata, Hirokazu Simizu, Toshio Namba
Life of this patent
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Abstract
An apparatus supplies assist air toward an injection nozzle of a fuel injection valve of an internal combustion engine, to atomize an injected fuel. The apparatus starts and stops supplying the assist air according to engine operating conditions while correcting ignition timing or an engine intake air quantity, to thereby suppress fluctuations in engine output.
Claims18
An apparatus for controlling assist air in an internal combustion engine, comprising an assist air passage for branching part of intake air as the assist air and injecting the same in the vicinity of an injection nozzle of a fuel injection valve, switching means for starting and stopping the assist air to flow according to engine operating conditions, and output control means for correcting a controlled object related to engine output in a way to suppress a fluctuation in engine output when the switching means starts and stops supplying the assist air.
A method of controlling assist air in an internal combustion engine, involving an assist air passage for branching part of intake air as the assist air and injecting the same in the vicinity of an injection nozzle of a fuel injection valve, the method comprising the steps of starting and stopping the supply of assist air through the assist air passage in response to engine operating conditions, and correcting a controlled object related to engine output in a way to suppress a fluctuation in engine output when starting and stopping to supply the assist air.
Dependencies are inferred from the claim text.