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Engine Transmission Matching to Improve Passenger Car Fuel Economy
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English
Abstract
A compact passenger car was modified to allow operation with up to six manual gear ratios and up to 35.4 mile/h per 1000 rev/min. Fuel consumption tests were carried out at steady state conditions, over the U.S. Federal urban drive cycle and on the road. Fuel economy improvements of up to 24% were achieved on the road, and up to 25% on the chassis dynamometer over the urban cycle, confirming computer predictions.
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Topic
Citation
Thring, R., "Engine Transmission Matching to Improve Passenger Car Fuel Economy," SAE Technical Paper 820167, 1982, https://doi.org/10.4271/820167.Also In
References
- Stubbs, P.W.R. “The Development of a Perbury Traction Transmission for Motor Car Applications.” ASLE 1980
- Perry, F.G. de B. “The Perbury Transmission.” Trans ASME 102 937 942 1980
- Thring, R.H. “Engine Transmission Matching.” SAE Paper 810446
- Webster, H. “A Fully Automatic Vehicle Transmission using a Layshaft Type Gearbox.” SAE Paper 810104
- Ducrot M. Pol Dequenne, M.M. “The Automation of a Gearbox.” Ingenieurs de 1’Automobile, “Recent Progress in Engines and Transmissions” 1980
- Porter, F.C. “Design for Fuel Economy -The New G.M. Front Drive Car.” SAE Paper 790721
- Wong L.T. Clemens, W.J. “Powertrain Matching for Better Fuel Economy.” SAE Paper 790045