Method for metering a reducing agent, method for setting up a control unit for a metering device and motor vehicle having a metering device
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United States of America Patent
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Jan 13, 2015
Issued Date -
N/A
app pub date -
Aug 13, 2012
filing date -
Aug 12, 2011
priority date (Note) -
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Abstract
A method for metering a reducing agent from a metering device to an exhaust gas treatment device includes initially determining at least one operating parameter of the metering device. An injector pressure at an injector for feeding the reducing agent into the exhaust gas treatment device is then calculated from the at least one operating parameter. Then, an opening time for the injector is calculated, in which at least the injector pressure determined in step b) is used. The injector is then opened for the opening time calculated in step c). A method for setting up or configuring a control unit for a metering device and a motor vehicle having a metering device are also provided.
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