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Tannas Co. & King Refrigeration, Inc. Precision Laboratory Instruments for Routine Testing and Advanced Research & Development of Engine Oils, Lubricants, and Related Fluids

Technical Paper Library

The knowledge and expertise of the Savant Group companies is well documented in technical papers, publications, and associated presentations given within the lubricants industry over the last 50+ years.  

In an attempt to capture and share this knowledge, click on the button below for a listing of select technical papers, categorized by Topic, Product and Test Method that are focused on subject matter important and relevant to the automotive lubricant’s industry:


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Year Title Presented At Author(s) Type Download
1993 “The Viscosity Loss Trapezoid – Part 2: Determining General Features of VI Improver Molecular Weight Distribution Using Parameters of the Viscosity Loss Trapezoid” Written by T.W. Selby, Savant Inc. – SAE International Fuels & Lubricants Meeting and Exposition, Philadelphia, Pennsylvania, October 18-21, 1993; SAE Paper #932836 Theodore Selby Paper; SAE Publication Download
1983 “The Tapered Bearing Simulator – An Absolute Viscometer” Written by T.W. Selby and D.A. Piasecki, Savant Inc. -- SAE International Congress and Exposition, Detroit, Michigan, February 28-March 4, 1983; SAE Paper #830031 Theodore Selby, D.A. Piasecki Paper; SAE Publication Download
1993 “The Viscosity Loss Trapezoid – Application of the Viscosity Loss Trapezoid in Determining Overall Features of VI Improver Molecular Weight Distribution” Written by T.W. Selby, Savant Inc. -- Savant Conference, Ninth International Conference of the Viscometry of Automotive Lubricants, October 13-14, 1993. Theodore Selby Paper Download
2002 "Viscometry of New and Used Engine Oils at Engine Shear Rates - Application of the Automatic TBS Viscometer" Written by T.W. Selby; Robert J. Hite, Jr.; Greg C. Miiller, Tannas Co. -- SAE International Powertrain Fuels and Lubricants Congress - 2002; SAE 2002-01-2799. Theodore Selby, Robert J. Hite Jr., Greg C. Miiller Paper; SAE Publication Download
2013 "Engine Oil Viscometry and Viscometers - Fact and Fallacy" Written by T.W. Selby, Savant Group - STLE Annual Meeting, Detroit, Michigan, May 7, 2013. Theodore Selby Paper Download
1992 A Method of Generating and Appraising the Five Viscosity Loss Parameters of Lubricating Oil – The Viscosity Loss Trapezoid Written by T.W. Selby, Savant Inc. – Rohm GmbH, Darmstadt, Germany, January 20, 1992 – Elf France, Lyons, France, January 22, 1992 – TOTAL-Technique in Le Havre, France, January 24, 1992 – Chevron Chemical Company, Rotterdam, Netherlands, January 27, 1992 – 8th International Technische Akademie Esslingen (TAE) Tribology Colloquium, Stuttgart/Ostfildern, Germany, January 14-16, 1992 – Savant Conference – Ninth International Conference on the Viscometry of Automotive Lubricants, October 13-14,1993 Theodore Selby Paper Download
2010 "High Shear Rate Rheology of Lower Viscosity Engine Oils a Temperature Range of 80° to 150°C Using the Tapered Bearing Simulator (TBS) Viscometer" Written by T.W. Selby, Savant Inc. -- SAE international Powertrain Fuels and Lubricants; SAE 2010-01-2288 Theodore Selby Paper; SAE Publication Download
1990 “Very High Shear Rate, High Temperature Viscosity Using the Automated Tapered Bearing Simulator-Viscometer” Written by T.W. Selby, Savant Inc., T.J. Tolton, Dow Corning Corp. -- 7th International Technische Akademie Esslingen (TAE) Tribology Colloquium, Automotive Lubrication, Stuttgart/Ostfildern, Germany, January 16-18, 1990. -- Published in the Handbook of Tribology and Lubrication Vol. 6, entitled “Engine Oils and Automotive Lubrication”, pp 470-490. Theodore Selby, T.J. Tolton Paper; Publication Download
1995 "Very High Shear Rate Viscometry" Written by T.W. Selby, Savant Inc., and Greg C. Miiller, Tannas Co. -- Proceeding of the International Tribology Conference, Yokohama, Japan, October 31, 1995 Theodore Selby, Greg C. Miiller Paper Download
2008 "The Expanding Dimensions of High Shear Rate Viscometry" Written by T.W. Selby, Savant, Inc. -- SAE International Powertrains, Fuels and Lubricants Congress, Shanghai, China, June 23-25, 2008; SAE 2008-01-1621. Theodore Selby Paper; SAE Publication Download
2002 The Viscosity-Dependent Fuel Efficiency Index for Engine Oils Written by T.W. Selby, Savant, Inc., USA - 13th International Technische Akademie Esslingen (TAE) Tribology Colloquium, Stuttgart/Ostfildern, Germany, January 15-17, 2002. Theodore Selby Paper Download