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Active Thermo-Atmosphere Combustion (ATAC) - A New Combustion Process for Internal Combustion Engines
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English
Abstract
A new lean combustion process for internal combustion engines has been developed. This newly devised combustion system, designated as “Active Thermo-Atmosphere Combustion” (ATAC), differs from conventional gasoline and diesel engine combustion processes.
ATAC can be applied most easily to two-stroke cycle gasoline engines. Stable combustion can be achieved with lean mixtures at part-throttle operation. With ATAC the fuel consumption and exhaust emissions of two-stroke cycle spark-ignition engines are remarkably improved, and noise and vibration are reduced.
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Authors
- Shigeru Onishi - Nippon Clean Engine Research Institute Co., Ltd.
- Souk Hong Jo - Nippon Clean Engine Research Institute Co., Ltd.
- Katsuji Shoda - Nippon Clean Engine Research Institute Co., Ltd.
- Pan Do Jo - Nippon Clean Engine Research Institute Co., Ltd.
- Satoshi Kato - Nippon Clean Engine Research Institute Co., Ltd.
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Citation
Onishi, S., Jo, S., Shoda, K., Jo, P. et al., "Active Thermo-Atmosphere Combustion (ATAC) - A New Combustion Process for Internal Combustion Engines," SAE Technical Paper 790501, 1979, https://doi.org/10.4271/790501.Also In
References
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- Yui S. Ohnishi S. “A New Concept of Stratified Charge Two Stroke Engine - Yui and Ohnishi Combustion Process (YOCP).” SAE Paper 690468 May 19 - 23 1969
- Jo S. H. Jo P. D. Gomi T. Ohnishi S. “Development of a Low-Emission and High-Performance 2-Stroke Gasoline Engine (NiCE).” SAE Paper 730463 May 14 - 18 1973
- Ohnishi S. “A New Combustion Method of Two-Stroke Engine.” A Fundamental Study on the Automobile Emission Control Education Ministry of Japan Dec. 22 1976
- Noguchi M. Tanaka Y. Tanaka T. Takeuchi Y. “An Analysis of Combustion in Gasoline Engine.” Congress of JSAE 782 Oct. 1978