Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 20, 2021
Patent Application Number
16150107
Date Filed
October 2, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and systems are provided for improving catalyst function during an engine cold-start. In one example, at key-off, a duration elapsed till a subsequent key-on is predicted based on drive history and spatial awareness data. Then, based on the duration, an identity and order of operating one or more catalyst heating devices is selected.
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