METHOD FOR CONTROLLING AN INJECTOR PLACED IN A MOTOR VEHICLE EXHAUST LINE
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United States of America Patent
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Issued Date -
Mar 19, 2015
app pub date -
Sep 15, 2014
filing date -
Sep 19, 2013
priority date (Note) -
Abandoned
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Abstract
A method for controlling an injector (1) placed in a motor vehicle exhaust line (2) for the metered injection of a liquid, such as notably a reducing agent, includes commanding openings of the injector for lengths of time that are suited to ensure that the flow of liquid delivered upon each of the openings consists in a drop of liquid by commanding constant injector-opening times, and adjusting the metered dose of liquid injected by varying the frequency of such openings.
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