Method and system for controlling a low-voltage-powered plug for preheating a diesel engine air/fuel mixture
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United States of America Patent
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May 4, 2010
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app pub date -
Jun 25, 2009
filing date -
Feb 23, 2006
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Abstract
The invention relates to a method for controlling a low-voltage-powered plug (2) for preheating a diesel engine (1) air/fuel mixture. The plug (2) is powered by pulses having a predetermined amplitude and duration, said amplitude being less than a maximum amplitude (PWM_MAX). The amplitude and duration of the voltage pulses powering the plug (2) are controlled as a function of first parameters including the duration of the preceding pulses and the duration between successive preceding pulses.
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