Device and method for ascertaining the temperature in an electrical battery
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United States of America Patent
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Oct 27, 2009
Grant Date -
Sep 14, 2006
app pub date -
Feb 2, 2006
filing date -
Feb 3, 2005
priority date (Note) -
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Abstract
A method for ascertaining the temperature in an electrical battery includes determining at least one temperature value at a temperature measuring point outside the battery in the vicinity of the battery; determining at least one electrical power value in dependence on a characteristic power variable associated with the operation of the battery; weighting the power values and the temperature values with an assigned weighting factor; and ascertaining the temperature in the electrical battery from an energy balance in dependence on the at least one weighted temperature value and the weighted electrical power values.
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