US 12,442,345 B1
Supplemental fuel control system
David William Steck, Jr., Kirkwood, MO (US); and Anthony Jake Merriman, Marana, AZ (US)
Assigned to David Steck, Kirkwood, MO (US)
Filed by David William Steck, Jr., Kirkwood, MO (US)
Filed on May 5, 2025, as Appl. No. 19/198,369.
Claims priority of provisional application 63/689,490, filed on Aug. 30, 2024.
Int. Cl. F02D 41/30 (2006.01)
CPC F02D 41/30 (2013.01) 20 Claims
OG exemplary drawing
 
1. A method for using information from a primary fuel system for an engine with a baseline ECU and a plurality of PF injectors for a corresponding set of cylinders to determine a supplemental fueling level for a plurality of SF injectors in the engine, wherein the SF injectors have a SF injector flow rate, comprising:
providing an auxiliary controller in operative communication with the baseline ECU and the SF injectors;
receiving or calculating in the auxiliary controller at least one of a PF fueled air mass and a PF fuel mass;
receiving in the auxiliary controller a total engine air mass from the baseline ECU and an additional set of data from the baseline ECU;
calculating in the auxiliary controller a SF fuel mass from the total engine air mass, at least one of the PF fueled air mass and the PF fuel mass, and the additional set of data;
calculating in the auxiliary controller a SF injector on time from the SF fuel mass and the SF injector flow rate for the SF injectors; and
communicating the SF injector on time from the auxiliary controller to at least one of the SF injectors.