Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
Fuel injector control system for cylinder injection type internal combustion engine
 An inexpensive and small-scale fuel injector control system having a number of fuel injector driving circuits smaller than the corresponding number of driven fuel injectors, in a cylinder injection type internal combustion engine having cylinders that are distanced by two strokes with respect to fuel injection timing and where no overlap occurs in the fuel injection timing. One of the ends of each of the coils of plural injectors, for the cylinders that are distanced from each other by two strokes in the fuel injection timing without overlapping each other, are simultaneously connected to an output terminal of a driving circuit, while the other ends of the coils are connected, respectively, to switching means that are turned on or off at energization/deenergization timings of coils of the fuel injectors. 
Mitsubishi Denki Kabushiki Kaisha
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Tetsushi
Watanabe