Review and analysis of variable valve timing strategies - Eight ways to approach

Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering

Volumn 218, Issue 10, 2004, Pages 1179-1200

  Hong, H ^a   Parvate Patil, G B ^a   Gordon, B ^a  

^a Gina Cody School of Engineering and Computer Science   (Canada)

Author keywords

Exhaust gas recirculation (EGR); Valve overlap; Variable valve actuation (VVA); Variable valve timing (VVT)

Indexed keywords

CAMSHAFTS; COMPUTER SIMULATION; CONTROL SYSTEM ANALYSIS; ENERGY DISSIPATION; EXHAUST GASES; RESIDUAL FUELS; SYNCHRONIZATION; VALVES (MECHANICAL);

EXHAUST GAS RECIRCULATION (EGR); VALVE OVERLAP; VARIABLE VALVE ACTUATION (VVA); VARIABLE VALVE TIMING (VVT);

INTERNAL COMBUSTION ENGINES;

EID: 7544237242     PISSN: 09544070     EISSN: None     Source Type: Journal    
DOI: 10.1177/095440700421801013     Document Type: Conference Paper

References (36)

1. Turtle, J. H. Controlling engine load by means of late intake-valve closing, SAE Paper, No. 800794, 1980.
2. Asmus, T. W. Valve events and engine operation, SAE Paper, No. 820749, 1982.
3. Rabia, S. M. and Kora, N. S. Knocking phenomena in gasoline with late-intake valve closing, SAE Paper, No. 920381, 1992.
4. Ahmad, T. and Theobald, M. A. A survey of variable-valve-actuation technology, SAE Paper, No. 891674, 1989.
5. Saunders, R. J. and Abdual-Wahab, E. A. Variable valve closure timing for load control and the Otto Atkinson cycle engine, SAE Paper, No. 890677, 1989.
6. Blakey, S. C., Foss, P. W., Basset, M. D. and Yates, P. W. Improved automotive part load fuel economy through late intake valve closing. In XIV Proceedings of Internal Combustion Engine and Combustion, India, 1995.
7. Blakey, S. C. and Saunders, R. J. A design and experimental study of an Otto Atkinson cycle engine using late intake valve closing, SAE Paper, No. 910451, 1991.
8. Ma, T. H. Effect of variable engine valve timing on fuel economy, SAE Paper, No. 880390, 1988.
9. Seiichi, S., Kenji, N., Shizuo, Y., Youichi, M., Yoshiharu, Y., Hisao, N., Tsuneaki, I., Tomio, O. and Mikiya, A. Application of over-expansion cycle to a larger gasoline engine with late-closing of intake valves, ASME 2002, ICEF 2002, p. 484.
10. Shiga, S., Morita, M., Yagi, S. and Matsumoto, T. Effect of early-closing of intake-valve on the engine performance in a spark-ignition engine, SAE Paper, No. 960585, 1996.
11. Soderberg, F. and Johansson, B. Fluid flow combustion and efficiency with early or late intake valve closing, SAE Paper, No. 972937, 1997.
12. Soderberg, F. and Johansson, B. Load control using late intake valve closing in a cross flow cylinder head, SAE Paper, No. 2001-01-3554, 2001.
13. Saunders, R. J. and Rabia, S. M. Part load efficiency in gasoline engines, in Practical limits of efficiency of engine, IMechE, 1986, pp. 55-62.
14. Elord, A. C. and Nelson, M. T. Development of variable valve timed engine to eliminate pumping losses associated with throttled operation, SAE Paper, No. 860537, 1986.
15. Haugen, D. J., Blackshear, P. L., Pipho, M. J. and Esler, W. J. Modifications of a quad 4 engine to permit late intake valve closure, SAE Paper, No. 921663, 1992.
16. 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, No. 950975, 1995.
17. Ham, Y. Y. and Park, P. The effects of intake valve events on engine breathing capability. In Proceedings of the Sixth International Pacific Conference on Automotive Engineering, Seoul, Korea, 1991, Paper No. 912470.
18. Tnttle, J. H. Controlling engine load by means of early intake-valve closing, SAE Paper, No. 820408, 1982.
19. Urata, Y., Umiyama, H., Shimizu, K., Fnjiyoshi, Y., Sono, H. and Fukno. K. A study of vehicle equipped with non-throttling S.I. engine with early intake valve closing mechanism, SAE Paper, No. 930820, 1993.
20. Gray, C. A review of variable engine valve timing, SAE Paper, No. 880386, 1988.
21. Hans, P. L.,Liaus, W. and Dusan,G. Variable valve timing - a possibility to control engine load without throttle, SAE Paper, No. 880388, 1988.
22. Stivender, D. L. Intake valve throttling (IVT) - a sonic throttling intake valve engine, SAE Paper, No. 680399, 1968.
23. Moro, D., Ponti, F. and Serra, G. Thermodynamic analysis of variable valve timing influence on SI engine efficiency, SAE Paper, No. 2001-01-0667, 2001.
24. Diana, S., Lorio, B., Giglio, V. and Police, G. The effect of valve lift shape and timing on air motion and mixture formation of DISI engines adopting different VVA actuators, SAE Paper, No. 2001-01-3553, 2001.
25. Sellnan, M. and Rask, E. Two-step variable valve actuation for fuel economy, emissions, and performance, SAE Paper, No. 2003-01-0029, 2003.
26. Vogel, O., Roussopoulos, K., Gnzzella, L. and Czekaj, J. Variable valve timing implemented with a secondary valve on a four cylinder SI engine, SAE Paper, No. 970335, 1997.
27. Badami, M., Marzano, M. R. and Nuccio, P. Influence of late intake-valve opening on the SI engine-performance in idle condition, SAE Paper, No. 960586, 1996.
28. Siewert, R. M. How individual valve timing events affect exhaust emissions, SAE Paper, No. 710609, 1971.
29. Hara, S., Nakajima, Y. and Naguma, S. Effects of intakevalve dosing timing on spark-ignition engine combustion, SAE Paper, No. 850074, 1985.
30. Law, D., Kemp, D., Allen, J., Kirkpatrick, G. and Copland, T. Controlled combustion in an IC-engine with, a fully variable valve train, SAE Paper, 2001, No. 2000-01-0251.
31. Chapman, M., Novak, J. M. and Stein, R. A. Numerical modeling of inlet and exhaust flows in multi-cylinder internal combustion engines. Flows in Internal Combustion Engines, 1982 (ASME).
32. Heywood, J. B. Internal Combustion Engines, 1988, pp. 215-220 (McGraw-Hill, New York).
33. Davis, G. C., Tabaczynski, R. J. and Belaire, R. C. The effect of intake valve lift on turbulence intensity and burnrate in SI engines-model versus experiment, SAE Paper, No. 840030, 1984.
34. Dresner, T. and Barkan, P. A review and classification of variable valve timing mechanisms, SAE Paper, No. 890667, 1989.
35. Sandqnist, H., Wallesten, J., Enwald, K. and Stromberg, S. Influence of valve overlap strategies on residual gas fraction and combustion in a spark-ignition engine at idle, SAE Paper, No. 972936, 1997.
36. Kreuter, P., Henser, P. and Scnebitz, M. Strategies to improve SI-engine performance by means of variable intake lift, timing and duration, SAE Paper, No. 920449, 1992.