US 12,215,648 B2
Fuel injection system for enhanced low injection quantity control
Donald J. Benson, Columbus, IN (US)
Assigned to Cummins Inc., Columbus, IN (US)
Filed by Cummins Inc., Columbus, IN (US)
Filed on Dec. 12, 2023, as Appl. No. 18/536,874.
Application 18/536,874 is a continuation of application No. PCT/US2022/018474, filed on Mar. 2, 2022.
Claims priority of provisional application 63/216,981, filed on Jun. 30, 2021.
Prior Publication US 2024/0200505 A1, Jun. 20, 2024
Int. Cl. F02D 41/40 (2006.01); F02D 41/24 (2006.01)
CPC F02D 41/40 (2013.01) [F02D 41/2432 (2013.01); F02D 2200/0602 (2013.01); F02D 2200/0614 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method for operating a fuel-injected engine, comprising:
periodically operating one or more fuel injectors of the engine in a non-injection state;
generating and storing parameter information representative of the operation of the one or more fuel injectors in the non-injection state;
operating the one or more fuel injectors in an injection state to inject a desired pulse of fuel based upon the parameter information and information representative of an additional amount of fuel.