US 11,772,627 B2
Methods and system to prepare a disconnect clutch for starting an engine
Maruthi Thiruninravur Ravichandran, Dearborn, MI (US); Marin Assaliyski, Dearborn, MI (US); Akshay Bichkar, Ann Arbor, MI (US); Karthik Pillutla, Detroit, MI (US); and Rajit Johri, San Francisco, CA (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by Ford Global Technologies, LLC, Dearborn, MI (US)
Filed on Dec. 9, 2021, as Appl. No. 17/547,121.
Prior Publication US 2023/0182711 A1, Jun. 15, 2023
Int. Cl. B60W 30/182 (2020.01); B60W 10/02 (2006.01); B60W 10/06 (2006.01); B60W 10/08 (2006.01)
CPC B60W 10/023 (2013.01) [B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 30/182 (2013.01); B60W 2510/06 (2013.01); B60W 2520/10 (2013.01); B60W 2540/10 (2013.01); B60W 2710/021 (2013.01); B60W 2710/06 (2013.01); B60W 2710/0644 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A system, comprising:
an internal combustion engine;
an electric machine;
a driveline disconnect clutch coupled to the internal combustion engine; and
a controller including executable instructions stored in non-transitory memory that cause the controller to stroke the driveline disconnect clutch while a vehicle is engaged in a first vehicle operating mode, the internal combustion engine is stopped, and an engine start is not requested, and to not stroke the driveline disconnect clutch while the vehicle is engaged in a second vehicle operating mode, the internal combustion engine is stopped, and the engine start is not requested, and additional instructions to increase a driveline disconnect clutch line pressure while the vehicle is engaged in the second vehicle operating mode while the internal combustion engine is stopped.