Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 23, 2022
Patent Application Number
16951208
Date Filed
November 18, 2020
Patent Citations
Patent Citations Received
Patent Primary Examiner
Methods and systems for calculating a plurality of aging factors in a system operating an engine. The calculated aging factors may include one or more of fuel injector drift, exhaust gas recirculation valve obstruction, and mass air flow sensor bias. Mass flow throughout the system, and pressures and temperatures within the system, are observed in an approach that relies on mass preservation concepts to estimate drift, obstruction and bias estimates.
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