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Research and Development of the Honda CVCC Engine
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Sector:
Event:
National West Coast Meeting
Language:
English
Abstract
This paper summarizes some of the technical considerations upon which Honda's CVCC system is based, relating to reduction of pollutants in automobile engine exhaust gases.
The CVCC engine employs a stratified charge to produce stable combustion of an overall lean mixture. A unique mixture is formed immediately before ignition to reduce three pollutants (CO, HC, and NOx) simultaneously, as well as to improve fuel economy. This mixture is produced by contolling fuel mixtures supplied to the engine and by geometrical combustion chamber design features.
An evaluation model conceived by Honda to evaluate emissions and fuel economy during the driving cycle mode is explained, and a comparison of estimated values obtained from the evaluation model with those obtained under actual driving test conditions is made.
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Authors
Citation
Date, T., Yagi, S., Ishizuya, A., and Fujii, I., "Research and Development of the Honda CVCC Engine," SAE Technical Paper 740605, 1974, https://doi.org/10.4271/740605.Also In
References
- Gussak L. A. “New Principle of Ignition and Combustion in Engine.” IZVESTIYA AN SSSR 4 1965 98 110
- Yagi S. Nakagawa K. Ishizuya A. Sato Y. “Study in Development of Exhaust Emission Controls for Small Displacement Honda Engines.” Paper 680527 SAE Mid-Year Meeting Detroit May 1968
- Yagi S. Ishizuya A. Fujii I. “Research and Development of High-Speed, High-Performance Small Displacement Honda Engines.” SAE Transactions 79 1970 paper 700122
- “An Evaluation of Three Honda CVCC Powered Vehicles.” Environmental Protection Agency December 1972
- “An Evaluation of a 350 CID CVCC Powered Chevrolet Impala.” Environmental Protection Agency October 1973