US 11,788,498 B1
Engine start/stop system for park conditions
Anthony N Gorney, Oxford, MI (US); Stephanie R Beck, Pinckney, MI (US); Roger C Sager, Munith, MI (US); and Scott E Henson, Chelsea, MI (US)
Assigned to FCA US LLC, Auburn Hills, MI (US)
Filed by FCA US LLC, Auburn Hills, MI (US)
Filed on Jan. 26, 2023, as Appl. No. 18/159,740.
Int. Cl. F02N 11/08 (2006.01); B60Q 9/00 (2006.01)
CPC F02N 11/0822 (2013.01) [B60Q 9/00 (2013.01); F02N 2200/0802 (2013.01); F02N 2200/0806 (2013.01); F02N 2200/102 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An automatic engine stop-start (ESS) system for a vehicle with an internal combustion engine, the ESS system comprising:
a brake pedal;
a gear shifter configured to shift a transmission between park, reverse, neutral, and drive; and
a controller configured to:
command an ESS engine stop when the gear shifter is in drive, the vehicle is stopped, and the brake pedal is pressed;
prevent an ESS engine restart when the gear shifter is shifted from drive to park; and
provide, when the ESS engine restart is prevented, a warning notification to a driver that the engine is keyed-on.