Method and device for controlling an internal combustion engine
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United States of America Patent
Stats
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Nov 21, 2011
filing date -
Nov 19, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for diagnosing a malfunction of a sensor system in an air system of an internal combustion engine, said sensor system comprising a first air state sensor, a second air state sensor and a third air state sensor, wherein a first value and a second value of a first comparison variable are ascertained in two different ways in an overall calculation step such that the result of a comparison between the first value and the second value is a function of each of the output variables of the first, second and third air state sensors and wherein in a fault detection step, said method recognizes as a function of the comparison between said first value and said second value of the comparison variable that a fault exists in the sensor system.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 7 Citation Count
- F02B Class
- 26.31 % this patent is cited more than
- 7 Age
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