Microwave enhanced combustion with feedback frequency control for dynamic impedance matching
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United States of America Patent
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Sep 22, 2020
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N/A
app pub date -
Oct 23, 2018
filing date -
Oct 23, 2018
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Abstract
A system and method for generating microwaves for microwave enhanced combustion (MEC) input to an MEC antenna of an internal combustion engine. The system uses a directional coupler to deliver the MEC input signal to the MEC antenna and to receive a reflected power signal from the MEC antenna. A feedback path determines a desired frequency, based on the reflected power and using an impedance-matching controller that matches the reflected power to a desired frequency value. Additional inputs, such as various engine conditions, can also be used to determine the desired frequency.
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