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A Fuel Additive Concentrate for Remowal of Injector Deposits in Light-Duty Diesels
ISSN: 0148-7191, e-ISSN: 2688-3627
Published October 1, 1984 by SAE International in United States
Annotation ability available
In light-duty diesels, carbonaceous deposits can restrict the fuel-injection nozzles, resulting in increased noise, smoke, and roughness. An ashless dispersant fuel additive concentrate based on polyether amine chemistry was developed to remove these deposits during normal service.
Tests in a wide variety of light-duty vehicles show that one tankful of additized fuel provided, on average, more than 50% nozzle cleanup. Significant reductions of cold engine noise and smoke emissions after use of the additive were demonstrated.
The development program included studies of the effects of deposits on injector flow characteristics and engine performance. Selected examples illustrate that a definition of fuel “quality” as it relates to nozzle deposits has yet to be resolved.
CitationOlsen, R., Ingham, M., and Parsons, G., "A Fuel Additive Concentrate for Remowal of Injector Deposits in Light-Duty Diesels," SAE Technical Paper 841349, 1984, https://doi.org/10.4271/841349.
- Higashisono M., et al., “The New Isuzu 1.8-Liter Four-Cylinder Diesel Enginefor the United States Market,” SAE 820116
- Ricardo H. and Hempson J. G. G., “The High Speed Internal-Combustion Engine,” 5th Edition, 1968
- Eisele E., “Daimler-Benz Passenger Car Diesel Engines—Highlights of 30 Years of Development,” SAE 680089
- Oetting H. and Papez S., “Reducing Diesel Knock by Means of Exhaust Gas Recirculation,” SAE 790268
- Russell M. F., “Automotive Diesel Engine Noise and Its Control,” SAE 730243
- Zahn O. F., “Hydraulic Characteristics of Fuel-Injection Nozzles,” ASME Trans, Vol 64, No. 5, May 1942
- Oblander K., Fortnagel M., Feucht H. J. and Conrad U., “The Turbocharged Five-Cylinder Engine for the Mercedes-Benz 300SD,” SAE 780633
- Fortnagel M., et al., “Requirements of Diesel Fuel Quality, Effects of Poor Quality Fuels,” API 47th Mid-Year Meeting, 1982
- Reilly D. J., “The New GM 6.2-Liter V-8 Diesel Engine… Designed by Chevrolet,” SAE 820115
- Fortnagel M. and Herrbrich B., “Effects of Fuel Stability Upon Injection Nozzle Deposit Formation in Road-Tested Diesel Engines,” API May 1984 Preprint No. 820- 00012
- “Control of Diesel Engine Emissions by Diesel Fuel Improvement,” Presentation to the California Air Resources Board by Peugeot S.A., May 1984
- Carnus J. C., “Influence Du Carburant Sur Les Performances Et Les Emissions Du Moteur Diesel,” Inginieur De L'Auto-mobile, 1981
- Oronite Brochures: OFA 105, OFA 110, and OFA 425b. Chevron Chemical Company, 575 Market Street, San Francisco, California 94105
- Litzaw E. M. Engineering and Manufacturing Company, 50 Tiburon Street, Bay 14, San Rafael, California 94901
- “Nozzles and Nozzle-Holder Assemblies,” Robert Bosch GMBH, Brochure VDT-D 6/2 En (5.81), 1980
- Yonekawa T., et al., “Analysis of Driveability on Diesel Vehicles,” SAE 840257