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Theoretical Analysis Of A Newfangled Internal Combustion Engine

Dineshbabu D, Deepak Kumar M, John Leonard, Prem Kumar D, Deepak Kumar K

This work deals with “Valved Two Stroke Engine with Extended Expansion” which is an hybrid of two stroke and four stroke engine. i.e. like two stroke engine - the four strokes viz. suction, compression, power and exhaust will completed in a single rotation of crank shaft. At the same time the escaping of fresh charge without burning through exhaust port wh ich is an inherent deficiency of a conventional Two Stroke Engine is controlled by a specially designed Transfer Valve arrangement. Secondly the pressure at the end of expansion stroke reaches nearly to atmospheric presssure by suitably designing the engine construction which is refered as Extended Expansion.Increase of mileage, reducing emission temperature and noise level, reducing manufacturing cost of the engine are the main objectives.