Gm Global Technolgoy Operations, Inc.

David A Smyczynski

Gary Dwayne Mandrusiak

Chad W Lehner

Balaji Maniam

Craig Lash

A system includes an input and a thermal data processing module. The input receives a first oil temperature of an engine oil when an engine is turned on. The thermal data processing module estimates a first heat transfer from a piston of the engine to the engine oil. The thermal data processing module estimates a second heat transfer from the engine oil to an engine block of the engine. The thermal data processing module determines a second oil temperature of the engine oil based on the first oil temperature and the first and second heat transfers.

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Pinckney, MI, United States of America

David A Smyczynski