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A Novel Laboratory Method for Evaluating Induction System Deposits in Gasoline Engines
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English
Abstract
This report covers work undertaken at the U.S. Army Fuels and Lubricants Research Laboratory to develop a laboratory bench procedure for the evaluation of dispersant-detergent gasoline additive effectiveness used for the control and/or inhibition of carburetor and engine intake system deposition. The development of the synthetic crankcase off-gas liquid in Phase I of this project has made it possible to develop a bench procedure that correlates to actual engine results in:
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1.
The carburetor throttle plate and throat area,
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2.
The induction system (port and valve areas), and
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3.
Additive effectiveness.
The apparatus is simple in design and operation, and provides the advantage of evaluating both carburetor and intake deposits simultaneously.
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Authors
- H. W. Marbach - U. S Army Fuels and Lubricants Research Lab., Southwest Research Inst. San Antonio, TX
- A. A. Johnston - U. S Army Fuels and Lubricants Research Lab., Southwest Research Inst. San Antonio, TX
- J. N. Bowden - U. S Army Fuels and Lubricants Research Lab., Southwest Research Inst. San Antonio, TX
- M. E. LePera
Citation
Marbach, H., Johnston, A., Bowden, J., and LePera, M., "A Novel Laboratory Method for Evaluating Induction System Deposits in Gasoline Engines," SAE Technical Paper 790204, 1979, https://doi.org/10.4271/790204.Also In
References
- LePera, Maurice E “How the New Dispersant-Detergent Fuel Additives Are Working” Nat'l SAE Automotive Engineering Meeting Detroit May 72
- Bowden, J.N. Quillian, R.D. “An Apparatus for Investigating the Induction System Depositing Tendencies of Gasoline” SAE Paper 458A 1962
- Johnston, A.A. Stavinoha, L. L. “An Induction System Deposit Technique for Motor Gasolines - Procedure and Utilization” SAE Paper 690758 1969
- Sheahan, T.J. Dorer, C.J. Miller, C.O. “Detergent-Dispersant Fuel Performance and Handling” SAE Paper 690516 1969
- Marbach, H. W. Johnston, A.A. “Development of a Bench Procedure for Evaluating the Effectiveness of Dispersant-Detergent Gasoline Additives--Phase II” AFLRL Final Report No. 52, AD-A006580 Dec. 74
- Johnston, A.A. Marbach, H. W. “Development of a Bench Procedure for Evaluating the Effectiveness of Dispersant-Detergent Gasoline Additives Phase I” AFLRL Report No. 43, AD-A000921 June 74
- Johnston, A.A. Dimitroff, E “A Bench Technique for Evaluating the Induction System Deposit Tendencies of Motor Gasolines” SAE Paper 660783 1967
- Dimitroff, E. Johnston, A.A. “Mechanism of Induction System Deposit Formation” SAE Paper 660784 1967