US 12,168,434 B2
Hybrid vehicle engine start/stop system
Christopher Michael Kava, Taylor, MI (US); Kenneth Frederick, Dearborn, MI (US); Floyd Cadwell, Dearborn, MI (US); and Justin Reuel Badger, Plymouth, MI (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US)
Filed on Nov. 5, 2020, as Appl. No. 17/089,936.
Application 17/089,936 is a division of application No. 15/915,911, filed on Mar. 8, 2018, granted, now 10,857,991.
Prior Publication US 2021/0053551 A1, Feb. 25, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B60W 20/00 (2016.01); B60K 6/42 (2007.10); B60K 6/48 (2007.10); B60W 10/06 (2006.01); B60W 20/10 (2016.01); B60W 50/08 (2020.01)
CPC B60W 20/10 (2013.01) [B60K 6/48 (2013.01); B60W 10/06 (2013.01); B60W 50/082 (2013.01); B60K 6/42 (2013.01); B60W 2510/06 (2013.01); B60W 2540/215 (2020.02); B60Y 2200/92 (2013.01); Y02T 10/40 (2013.01); Y10S 903/903 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A vehicle comprising:
an engine and an electric machine configured to simultaneously generate power in a hybrid mode; and
a controller programmed to,
responsive to a power demand decreasing to less than a first threshold while the vehicle is operating in the hybrid mode, shutdown the engine, and
responsive to the power demand decreasing to less than the first threshold and an operator input to extend the hybrid mode, override shutting down the engine.