patent · US9593629
Method and system for controlling an air-fuel ratio in an engine using a fuel source with an unknown composition
14 March 2017
Indexed reference — no copy held
This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.
Abstract
A method for controlling an air-fuel ratio (AFR) in an engine powered by a gaseous fuel having an unknown composition may comprise receiving an assumed gas species composition for the gaseous fuel, and determining an assumed lower heating value (LHV) for the assumed gas species composition. The method may further comprise determining a perceived lower heating value (LHV) for the gaseous fuel based on a perceived gas mass flow and a gas energy flow for the gaseous fuel, and up...
Provenance
- Collection
- Cited prior art
- Original PDF
- patentimages.storage.googleapis.com →
- Filed
- 2015-03-05
- Source
- Google Patents bibliographic record
- Granted
- 2017-03-14
- Inventors
- Jason Jon Rasmussen; Arvind Sivasubramanian; Venkat Vijay Kishore Turlapati; Caterpillar Inc