Fuel injection control device
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United States of America Patent
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Oct 17, 2017
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N/A
app pub date -
Apr 3, 2015
filing date -
Apr 7, 2014
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Abstract
A fuel injection control device which is provided with an input terminal to which a first pulse signal for driving a liquid fuel injection valve is input and an output terminal from which the first pulse signal is output, and converts the first pulse signal which is input from the input terminal to a second pulse signal for driving a gaseous fuel injection valve, includes: a P-channel field-effect transistor interposed in a wiring which connects the input terminal and the output terminal; a switching control section which performs switching control between an ON state and an OFF state of the field-effect transistor; and a gate drive circuit which maintains the field-effect transistor in the ON state in a case where power supply to the switching control section is not performed.
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