US 11,927,149 B2
Method and system for multiple injections
Ross Pursifull, Dearborn, MI (US); Ethan Sanborn, Saline, MI (US); and Joseph Thomas, Farmington Hills, MI (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by Ford Global Technologies, LLC, Dearborn, MI (US)
Filed on Oct. 4, 2022, as Appl. No. 17/960,024.
Application 17/960,024 is a division of application No. 17/157,849, filed on Jan. 25, 2021, granted, now 11,492,994.
Prior Publication US 2023/0024149 A1, Jan. 26, 2023
Int. Cl. F02D 41/40 (2006.01); F02D 41/20 (2006.01); F02D 41/24 (2006.01)
CPC F02D 41/402 (2013.01) [F02D 41/20 (2013.01); F02D 41/2467 (2013.01); F02D 2041/2031 (2013.01); F02D 2041/2055 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A method for an engine, comprising:
during a first inter-injection spacing, adjusting injection timing based on opening times and/or closing times of one or more previous injections;
during a second inter-injection spacing, adjusting a first injection timing of a first injection of a second set of injections based on a first injection of a first, previous set of injections, and adjusting a second injection timing of a second injection of the second set of injections based on a second injection of the first set of injections; and
injecting fuel into the engine using one or more fuel injectors, the adjusted injection timing, and the adjusted second injection timing.