Controller for four-stroke cycle internal-combustion engine

Details Controller for four-stroke cycle internal-combustion engine Controller for four-stroke cycle internal-combustion engine

1995-12-26

1996-11-19

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

F02P 500

Patent

active

055752594

ABSTRACT:
A controller for a four-stroke cycle internal-combustion engine does not incur an operation failure in an engine even at the startup when injectors are placed under injection control at the same time and a cylinder group to be ignited is placed under ignition control at the same time. The controller for the four-stroke cycle internal-combustion engine has an angle detector for detecting the angle of rotation of a four-stroke cycle internal-combustion engine in synchronization with the rotation of the four-stroke cycle internal-combustion engine; an injector for injecting fuel which is provided for each cylinder of the four-stroke cycle internal-combustion engine; a plurality of ignition coils for generating high voltage for ignition for the respective cylinders; a fuel injection control unit for making the injectors inject fuel to the respective cylinders at the same time; and an ignition control unit for performing control by applying high voltage from the ignition coils so that the spark plugs may discharge at the same time to a cylinder group to be ignited. The fuel injection control unit performs the fuel injection after a predetermined time from the moment the control of the ignition coils was performed.

REFERENCES:
patent: 4762105 (1988-08-01), Beyer et al.
patent: 5148791 (1992-09-01), Nagano et al.
patent: 5184590 (1993-02-01), Hashimoto et al.
patent: 5267542 (1993-12-01), Keskula
patent: 5291409 (1991-03-01), Richardson

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