Comparison of dual retard VCT to continuously variable event valvetrain

SAE Technical Papers

Volumn , Issue , 2004, Pages

  Jung, Hosuk H ^a   Stein, Robert A ^a   Leone, Thomas G ^a  

^a FORD MOTOR COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

FUELS;

CHARGE MOTION; COMBUSTION SYSTEMS; INDICATED EFFICIENCY; INTAKE AND EXHAUST; SHORT DURATIONS; TIMING STRATEGY; UPPER LIMITS; VARIABLE VALVE TIMING;

INTAKE VALVES;

EID: 85072418862     PISSN: 01487191     EISSN: 26883627     Source Type: Journal    
DOI: 10.4271/2004-01-1268     Document Type: Conference Paper

References (11)

1. Stein, R. A., Galietti, K. M., and Leone, T. G., "Dual Equal VCT-A Variable Camshaft Timing Strategy for Improved Fuel Economy and Emissions" SAE paper 950975, 1995.
2. Leone, T. G., Christenson, E. J., and Stein, R. A., "Comparison of Variable Camshaft Timing Strategies at Part Load" SAE paper 960584, 1996.
3. Stein, R. A., Chou, T., and Lyjak, J. C., "The Combustion System of the Ford 5.4L 3-Valve Engine" Global Powertrain Congress, 2003.
4. Flierl, R., and Kluting, M., "The Third Generation of Valvetrains for Throttle-Free Load Control" SAE paper 2000-01-1227, 2000.
5. Sellnau, M., and Rask, E., "Two-Step Variable Valve Actuation for Fuel Economy, Emissions, and Performance" SAE paper 2003-01-0029, 2003.
6. Shelby, M. H., Stein, R. A., and Warren, C. C., "A New Analysis Method for the Proper Accounting of IC Engine Pumping Work and Indicated Work" SAE paper 2004-01-1262, 2004.
7. Tuttle J. H., "Controlling Engine Load by Means of Late Intake-Valve Closing" SAE paper 800794, 1980.
8. Tuttle J. H., "Controlling Engine Load by Means of Early Intake-Valve Closing" SAE paper 820408, 1982.
9. Hara S., Nakajima Y., and Nagumo S., "Effects of Intake-Valve Closing Timing on Spark-Ignition Engine Combustion" SAE paper 850074, 1985.
10. Nagumo S., and Hara S., "Study of fuel economy improvement through control of intake valve closing timing: cause of combustion deterioration and improvement" JSAE Review 16 (1995) 13-19, 1995.
11. Urata, Y., Umiyama, H., Shimizu, K., Fujiyoshi, Y., Sono, H., Fukuo, K., "A Study of Vehicle Equipped with Non-Throttling S.I. Engine with Early Intake Valve Closing Mechanism" SAE paper 930820, 1993.