This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Application of Air-Fuel Mixture Injection to Lean-Burn Engines for Small Motorcycles
Technical Paper
2004-32-0052
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
1
There is an increasing demand to improve the fuel economy of motorcycles in recent years. The lean-burn combustion is one effective means of accomplishing this. However, it is difficult to introduce the lean-burn concept while maintaining the high output and the quick response these are important for application to motorcycles. In this research, we have developed a fuel supply system that realizes both the quick response and the stable lean combustion using a conventional injector targeted for small motorcycles. This system intensifies the in-cylinder flow and helps the fuel droplet atomization, much better than conventional system due to air flow generated by the additional the passage. Therefore these improve the air-fuel mixture formation and flame propagation. As a result, it was possible to make the air-fuel mixture leaner while improving the throttle response by shortening the distance over which the fuel is carried.
Recommended Content
Authors
Topic
Citation
Ishii, W., Hanajima, T., and Tsuzuku, H., "Application of Air-Fuel Mixture Injection to Lean-Burn Engines for Small Motorcycles," SAE Technical Paper 2004-32-0052, 2004, https://doi.org/10.4271/2004-32-0052.Also In
References
- Tsuzuku Hiroyuki “Improving the Fuel Economy of Motorcycles” Yamaha Motor Technical Review 36 2003-9
- Tabata Michihiko et al. “In-Cylinder Fuel Distribution, Flow Field, and Combustion Characteristics of a Mixture Injected SI Engine” SAE Paper No. 950104
- Nakanishi K et al. “Development of a new intake system for a 4-valve lean burn engine” Tech Pap FISITA Congr VOL. 24th NO 2 1992
- Yoshihiro Idota et al. “Evaluation of Drop Size Measurement Techniques Using Standard Nozzle” 7th Symposium on Atomization 1998 DEC