US Patent Issued to Caterpillar on Feb. 17 for "Engine operating strategy using pulsed injection of gaseous hydrogen fuel" (Illinois Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,396, issued on Feb. 17, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Engine operating strategy using pulsed injection of gaseous hydrogen fuel" was invented by Robert Michael McDavid (Dunlap, Ill.), Chad Palmer Koci (Washington, Ill.) and Jonathan W. Anders (Peoria, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Operating an engine includes energizing an electrical actuator for a valve in a fuel injector according to a waveform alternating a plurality of on-times with a plurality of dwell times, and outputting a pulsed injection of a gaseous hydrogen fuel from the fuel injector entraining air between pulses of the gaseous hydrogen fuel. En...