Method and device for checking for leakage in a fuel injection valve of an internal combustion engine
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United States of America Patent
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May 10, 2011
Grant Date -
Oct 30, 2008
app pub date -
Nov 10, 2005
filing date -
Nov 18, 2004
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Abstract
In a method and a device for testing for leakage in a fuel injection valve of an internal combustion engine, a temperature quantity is determined that characterizes the temperature of at least a part of the fuel injection valve. On the basis of this temperature quantity, the presence of a leak is inferred.
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