US 11,052,743 B2
Oil maintenance strategy for electrified vehicles
Shunsuke Okubo, Belleville, MI (US); and Floyd Cadwell, Dearborn, MI (US)
Assigned to FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Sep. 16, 2015, as Appl. No. 14/855,820.
Prior Publication US 2017/0074177 A1, Mar. 16, 2017
Int. Cl. B60K 6/22 (2007.10); F01M 11/10 (2006.01); F01M 5/00 (2006.01); B60K 6/445 (2007.10); B60W 20/15 (2016.01); B60W 10/06 (2006.01); B60W 10/08 (2006.01); F02D 41/04 (2006.01)
CPC B60K 6/22 (2013.01) [B60K 6/445 (2013.01); B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 20/15 (2016.01); F01M 5/001 (2013.01); F01M 11/10 (2013.01); B60Y 2200/92 (2013.01); B60Y 2306/03 (2013.01); F02D 41/04 (2013.01); F02D 2250/11 (2013.01); F16N 2200/00 (2013.01); Y10S 903/903 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method, comprising:
periodically adjusting powertrain operation of an electrified vehicle equipped with an internal combustion engine to progressively influence an oil quality of an oil of the internal combustion engine,
wherein progressively influencing the oil quality includes reducing an amount of contaminants in the oil,
wherein adjusting the powertrain operation includes applying an engine pull-up threshold modifier.