Engine Management System for Fuel Injection System Specifically Designed For Small Engines
Date Published: 2008-09-09
Paper Number:2008-32-0052
DOI: 10.4271/2008-32-0052
Citation:
Smither, B., McFarlane, I., Drake, T., Ravenhill, P. et al., "Engine Management System for Fuel Injection System Specifically Designed For Small Engines," SAE Technical Paper 2008-32-0052, 2008, doi:10.4271/2008-32-0052.
Author(s):
B. Smither - Scion-Sprays Ltd
I. McFarlane - Scion-Sprays Ltd
T. Drake - Scion-Sprays Ltd
P. Ravenhill - Scion-Sprays Ltd
J. Allen - Scion-Sprays Ltd
J. Boak - Scion-Sprays Ltd
As a result of environmental pressures and end-user demands many manufacturers are working on fuel injection systems for the small engines market [
reference 1
,
2
,
3
,
4
,
5
]. A common approach is to take an automotive or motorcycle system and work to reduce its cost and complexity. This paper will present an engine management system designed from the outset specifically for low cost small engines.
The key topics covered in this paper are sensor selection & minimisation, practical application of electronic throttle & ignition, power consumption minimisation and discussion of the software control strategy.
In conclusion, this paper shows that most components required for a small engine management system can be integrated into a throttle body requiring only 3 external components. It is also possible, with the addition of electronic throttle and ignition, to deliver significant user enhancements.
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