Evaluation of emissions from an engine with phase shifted intake valves

José Ricardo Sodré*, Leonardo Vinícius Mendes Pereira, Ahdjin Atan Pinto, Evandro Vinícius Bretas Lobo, Sérgio De Morais Hanriot

*Corresponding author for this work

Research output: Contribution to conferencePaper

Abstract

The intake valves of a 1.0 liter, 16-valve production engine has been phase shifted to increase the intake air charge, aiming at improved performance. The engine has been tested in a dynamometer bench to verify the performance attained with the modification and its influence on raw exhaust emissions. Total hydrocarbons, carbon monoxide, nitric oxide and oxides of nitrogen emissions were analyzed for varying load and engine speed. The results have shown that shifting the valves of a dual intake valves engine can provide increased performance, while keeping emissions at acceptable levels.

Original languageEnglish
DOIs
Publication statusPublished - 1 Dec 2005
EventPowertrain and Fluid Systems Conference and Exhibition - San Antonio, TX, United States
Duration: 24 Oct 200527 Oct 2005

Conference

ConferencePowertrain and Fluid Systems Conference and Exhibition
CountryUnited States
CitySan Antonio, TX
Period24/10/0527/10/05

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Intake valves
Engines
Air intakes
Dynamometers
Nitric oxide
Carbon monoxide
Hydrocarbons
Nitrogen
Oxides

Cite this

Sodré, J. R., Pereira, L. V. M., Pinto, A. A., Lobo, E. V. B., & Hanriot, S. D. M. (2005). Evaluation of emissions from an engine with phase shifted intake valves. Paper presented at Powertrain and Fluid Systems Conference and Exhibition, San Antonio, TX, United States. https://doi.org/10.4271/2005-01-3794
Sodré, José Ricardo ; Pereira, Leonardo Vinícius Mendes ; Pinto, Ahdjin Atan ; Lobo, Evandro Vinícius Bretas ; Hanriot, Sérgio De Morais. / Evaluation of emissions from an engine with phase shifted intake valves. Paper presented at Powertrain and Fluid Systems Conference and Exhibition, San Antonio, TX, United States.
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Sodré, JR, Pereira, LVM, Pinto, AA, Lobo, EVB & Hanriot, SDM 2005, 'Evaluation of emissions from an engine with phase shifted intake valves', Paper presented at Powertrain and Fluid Systems Conference and Exhibition, San Antonio, TX, United States, 24/10/05 - 27/10/05. https://doi.org/10.4271/2005-01-3794

Evaluation of emissions from an engine with phase shifted intake valves. / Sodré, José Ricardo; Pereira, Leonardo Vinícius Mendes; Pinto, Ahdjin Atan; Lobo, Evandro Vinícius Bretas; Hanriot, Sérgio De Morais.

2005. Paper presented at Powertrain and Fluid Systems Conference and Exhibition, San Antonio, TX, United States.

Research output: Contribution to conferencePaper

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AU - Sodré, José Ricardo

AU - Pereira, Leonardo Vinícius Mendes

AU - Pinto, Ahdjin Atan

AU - Lobo, Evandro Vinícius Bretas

AU - Hanriot, Sérgio De Morais

PY - 2005/12/1

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N2 - The intake valves of a 1.0 liter, 16-valve production engine has been phase shifted to increase the intake air charge, aiming at improved performance. The engine has been tested in a dynamometer bench to verify the performance attained with the modification and its influence on raw exhaust emissions. Total hydrocarbons, carbon monoxide, nitric oxide and oxides of nitrogen emissions were analyzed for varying load and engine speed. The results have shown that shifting the valves of a dual intake valves engine can provide increased performance, while keeping emissions at acceptable levels.

AB - The intake valves of a 1.0 liter, 16-valve production engine has been phase shifted to increase the intake air charge, aiming at improved performance. The engine has been tested in a dynamometer bench to verify the performance attained with the modification and its influence on raw exhaust emissions. Total hydrocarbons, carbon monoxide, nitric oxide and oxides of nitrogen emissions were analyzed for varying load and engine speed. The results have shown that shifting the valves of a dual intake valves engine can provide increased performance, while keeping emissions at acceptable levels.

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Sodré JR, Pereira LVM, Pinto AA, Lobo EVB, Hanriot SDM. Evaluation of emissions from an engine with phase shifted intake valves. 2005. Paper presented at Powertrain and Fluid Systems Conference and Exhibition, San Antonio, TX, United States. https://doi.org/10.4271/2005-01-3794