METHOD AND SYSTEM FOR CENTRICAL FUEL INJECTION Russian patent published in 2019 - IPC F02D41/00 F02D41/30 

Abstract RU 2686539 C1

FIELD: machine building.

SUBSTANCE: invention relates to methods and systems for controlling fuel feed into engine intake manifold. Disclosed are systems and methods for using cooling effect of charge from fuel injection to manifold (22). Charge cooling effect from the planned fuel injection into the collector can be predicted based on the feedback data received from the charge temperature sensor (23) in the header during the previous injection event into the collector. If sufficient cooling of the charge is not predicted, injection of fuel into the collector is temporarily switched off.

EFFECT: technical result is accurate estimation of evaporated amount and fuel charge facilitating cooling effect.

15 cl, 8 dwg

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RU 2 686 539 C1

Authors

Alrefaai, Kutaiba

Ranga, Adithya Pravarun Re

Trescott, Calvin

Hakeem, Mohannad

Smith, Stephen B.

Surnilla, Gopichandra

Dates

2019-04-29Published

2017-12-22Filed