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An Induction System Deposit Technique for Motor Gasolines — Procedure and Utilization
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English
Abstract
The tendency of motor gasolines to form deposits on the intake valve and port surfaces of spark-ignition engines can be evaluated by a bench apparatus developed for the U.S. Army. The apparatus consists of a carbureted fuel-air system which sprays the test fluid on a heated deposit collecting tube at a 2.0 ml/minute rate. Combat gasoline (MIL-G-3056C), commercial (or VV-G-76) gasolines, and special solvents can be evaluated, using a sample volume of 150 ml. The results obtained by this technique have been correlated with data obtained during a military vehicle fleet test. The procedure has also been used to study effects of gasoline additives, storage conditions, and storage duration on fuel degradation, and as an aid in the development of deterioration predictive tests. The results of a round-robin tests for reproducibility initiated at Army petroleum testing laboratories within the United States, are provided.
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Citation
Johnston, A. and Stavinoha, L., "An Induction System Deposit Technique for Motor Gasolines — Procedure and Utilization," SAE Technical Paper 690758, 1969, https://doi.org/10.4271/690758.Also In
References
- Book of ASTM Standards 17 1968 American Society for Testing and Materials 1916 Race Street, Philadelphia, Pa. 19103
- Dimitroff E. Johnston A. A. “Mechanism of Induction System Deposit Formation.” SAE Transactions 75 1967 660784
- Johnston A. A. Dimitroff E. “A Bench Technique for Evaluating the Induction System Deposit Tendencies of Motor Gasolines.” SAE Transactions 75 1967 660783
- Sheahan T. J. Dorer C. J. Jr. Miller Co. O. “Detergent-Dispersant Fuel Performance and Handling.” Paper 690516 SAE Mid-Year Meeting May 1969 Chicago
- Lundberg W. O. “Autoxidation and Antioxidants.” 2 701 731 New York John Wiley & Sons, Inc. 1962
- Schwartz F. G. Allbright C. S. Ward C. C. “Storage Stability of Gasoline,” Bureau of Mines, U. S. Department of the Interior RI 7197 December 1968