Intellectual Property India Publishes Patent Application for Post Injection And Spark Timing Control For Spark Ignition Engines

MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202647082783 A) filed by Cummins Inc. on July 06, 2026, for Post Injection And Spark Timing Control For Spark Ignition Engines.

Inventors include Rayasam, Sree Harsha; and Shipp, Timothy.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: Systems, methods, and apparatuses are disclosed that determine, while the engine is operating with base fuel amount at an air-fuel ratio at or above an air-fuel ratio minimum limit, a post injection condition in response to one or more engine operating parameters. In response to the post injection condition being present, a main injection fuel amount and a post injecti...