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2015 | nr 3, CD 1 | 3085--3091
Tytuł artykułu

Flexible fuel engine for means of transport drive

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Języki publikacji
In this article the analysis of working parameters of flexible fuel engine based on pneumatic fuel injection by means of hot exhaust gases in two-stroke engine are presented. This is a low cost in-cylinder fuel injection system for SI engines which is much simpler than alternatives. A uthor realized a system of pneumatic fuel injection by means of hot exhaust gases (according to conception of Pat PL95190B1) drawn from one cylinder during the working stroke and, following the addition of fuel, forced into another cylinder during the compression stage. Spraying and injection of fuel by means of hot exhaust gases give additional possibilities of complete evaporation of liquid fuels. In practice, a two-stroke internal combustion engine with spark ignition and pneumatic injection based on this strategy suc cessfully uses liquid fuels with very different fractional and group composition (alcohol, alternative fuels with extended fraction and heavy fuels, such as diesel oil, kerosene and vegetable oil), which may be very beneficial from the viewpoint of practic al realization of flexible fueling combustion system for special engines. The results of tests shown it is possible to reach a high repeatability of the fuel dose per cycle and maintaining uniform fuel doses for each cylinder. This is most significant fact or for cooperation possibility and power control of combustion engine and electric machine in hybrid propulsion system.(original abstract)
Opis fizyczny
  • Politechnika Krakowska
  • Multi-cylinder two-stroke internal combustion engine with pneumatic fuel injection by means of hot exhaust gases and spark ignition, Pat PL95190B1.
  • Marek W., Mitianiec W.: Reduction of exhaust gas emission in a two-stroke engine with pneumatic fuel injection, SAE 2002-01-21682181, Automotive Transport Technology Congress 2002.
  • Marek W.: The analysis of fuel vaporization in a distributorless pneumatic injection system of a two stroke spark ignition engine, 2008-SS2-203, Combustion engines, No 2/2008, Polish Scientific Society of Combustion Engines.
  • Marek W.: Internal two-stroke combustion engine with pneumatic injection of liquid biofuel, The Archives of Automotive Engineering, No 1/2008, Polish Society of Automotive Engineering.
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