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Development of Plastic Fuel Hose with Pressure Pulsation Reduction
Technical Paper
2013-32-9047
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Recently, the electronic fuel injection systems have been widely applied to small motorcycles including scooters. In the high pressure fuel lines, plastic hoses have been increasingly used instead of conventional rubber hoses. As the plastic hose is less elastic than the rubber hose, the fuel pressure pulsates more in the plastic hose. To cope with this issue, we have conducted researches on how the fuel pressure pulsation in the plastic hose affects the accuracy of fuel injection. Keeping our eyes on the pulsation damping effects derived from the changes of volume due to the expansion and contraction of hose when the pressure changes, we have established the analysis method for optimization of the inner diameter and the thickness of the hose utilizing CAE analysis. The newly-developed plastic hose is applicable to motorcycles having a single cylinder 250 cm3 engine using an injector of a high static flow rate.
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Authors
Citation
Nakauchi, K., Ito, A., Ohara, T., Kato, H. et al., "Development of Plastic Fuel Hose with Pressure Pulsation Reduction," SAE Technical Paper 2013-32-9047, 2013, https://doi.org/10.4271/2013-32-9047.Also In
References
- Izydorek , R. , Maroney , G. A Standard Method for Measuring Fuel System Pulse Damper Attenuation SAE Paper 971071
- Mizuno , K. , Usui , S. , Imura , I. , Ogata , T. , Tsuchiya , H. , Serizawa , Y. Fuel Rail with Integrated Damping Effect SAE Paper 2002-01-0853
- Ogata , T. , Serizawa , Y. , Tsuchiya , H. , Hayashi , K. , Mizuno , K Further Pressure Pulsation Reduction in Fuel Rails SAE Paper 2003-01-0407
- Komuro , K. , Yagisawa , K. , Akamatsu , S. , Hayashi , A. , Ueda , M. Fuel Injection System of Air-cooled Engines for Small Displacement Motorcycles JSAE Paper 20056537 SAE Paper 2005-32-0035