초록 ▼

An ultrasonic wave type fuel atomizing apparatus for an internal combustion engine provided in an intake passage of the internal combustion engine and atomizing the fuel injected from a fuel injection pump by the ultrasonic wave vibration includes an ultrasonic wave vibrator, an oscillation circuit

An ultrasonic wave type fuel atomizing apparatus for an internal combustion engine provided in an intake passage of the internal combustion engine and atomizing the fuel injected from a fuel injection pump by the ultrasonic wave vibration includes an ultrasonic wave vibrator, an oscillation circuit for generating ultrasonic waves for driving the ultrasonic wave vibrator, and a high voltage generating coil for boosting the output of the oscillation circuit and for applying the driving output to the ultrasonic wave vibrator, and furthermore, a feedback circuit is included to detect a current flowing through the high voltage generating coil and to control an oscillation frequency of the oscillation circuit thereby to make the driving frequency follow the resonance point of the ultrasonic wave vibrator.

대표청구항 ▼

An ultrasonic wave type fuel atomizing apparatus for an internal combustion engine for supplying atomized fuel to said internal combustion engine, comprising: an ultrasonic wave vibrator provided in an intake passage of said internal combustion engine for atomizing fuel supplied thereto by vibrating

An ultrasonic wave type fuel atomizing apparatus for an internal combustion engine for supplying atomized fuel to said internal combustion engine, comprising: an ultrasonic wave vibrator provided in an intake passage of said internal combustion engine for atomizing fuel supplied thereto by vibrating at ultrasonic wave frequencies; an oscillation circuit for producing ultrasonic waves used to drive said ultrasonic wave vibrator; means for supplying an oscillation output of said oscillation circuit to said ultrasonic wave vibrator by increasing the oscillation output; and a feedback circuit for controlling an oscillation frequency of said oscillation circuit in accordance with an output of said ultrasonic vibrator.