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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    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