Development and performance of microlith™ light-off preconverters for LEV/ULEV

SAE Technical Papers

Volumn , Issue , 1997, Pages

  Roychoudhury, Subir ^a   Muench, George ^a   Bianchi, John F ^a   Pfefferle, William C ^a   Gonzales, Frank ^b  

^a Precision Combustion Incorporated   (United States)

^b FORD MOTOR COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ENGINES; SURFACE ANALYSIS;

CATALYST CONVERSION; CATALYST PERFORMANCE; DEVELOPMENT AND TESTING; EMISSION STANDARD; FLEXIBLE PACKAGES; HIGH OPERATING TEMPERATURE; PHYSICAL CHARACTERISTICS; SUBSTRATE GEOMETRY;

CATALYSTS;

EID: 85072464399     PISSN: 01487191     EISSN: 26883627     Source Type: Journal    
DOI: 10.4271/971023     Document Type: Conference Paper

References (14)

1. State of California Air Resources Board, proposed Regulations on Low-Emission Vehicles and Clean Fuels, August 1990.
2. Golunski S.E., et al., "Low Light-Off Catalyst Technology and Its Low Emission Vehicle Application" SAE Paper 950408.
3. Heck R.M., et al., "Close Coupled Catalyst System Design and ULEV Performance After 1050°C Aging" SAE Paper 952415, October 1995.
4. Shimasaki Y., et al., "Study on Conformity Technology with ULEV Using EHC System" SAE Paper 960342, February 1996.
5. Ma T., et al., "Exhaust gas Ignition-A New Concept for Rapid Light-Off of Automotive Exhaust Catalyst" SAE Paper 920400, February 1992.
6. Patent No.: U.S. #5,051,241, Microlith™ Catalytic Reaction System, Pfefferle, William C.
7. Roychoudhury S., et al., "Fast Light-off Non-Electrically and Electrically Heated Microlith™ Catalytic Converter" SAE Paper 940467.
8. 1975 Federal Test Procedure, Code of Federal Regulations, Title 40, Part 86.
9. Locker R. J., "Emission Performance of Ceramic Preconverters Evaluated by FTP and Euro Stage III Emission Test Cycle" SAE Paper 960262.
10. Armour, J.C., et al., A.I. Ch. E.J. 14, 415-20 (1968).
11. Ullah U., Waldrum, C. Bennett, Truex T., "Monolithic Reactors: Mass Transfer Measurements Under Reacting Conditions" Chemical Engineering Science, Vol 47, No 9-11, pp 2413-2418, 1992.
12. Satterfield, C.N., and Cortez, D.H., "Mass Transfer Characteristics of Woven-Wire Screen Catalysts" Ind. Eng. Chem. Fundam., Vol. 9, No. 4, 1970.
13. Summers J.C., et al, "Use of Light-Off Catalysts to Meet California LEV/ULEV Standards" SAE Paper 930386.
14. Ohata A., et al., "Model Based Air Fuel Ratio Control for Reducing Exhaust Gas Emissions" SAE Paper 950075.