METHOD OF OPERATION AND DESIGN OF INTERNAL COMBUSTION ENGINE USING FOR ITS OPERATION AGGREGATIVE PHASE THERMODYNAMIC CYCLE Russian patent published in 2003 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: aggregative-phase thermodynamic cycle consists in successive and interrelated changing of thermodynamic parameters of exhaust gas, as working medium of internal combustion engine, at energetic separation in swirl chamber coupled into common thermodynamic system with internal combustion engine to form common closed volume. Aggregative-phase changes of working medium take place at successive action of high and low temperatures, with possibility of ionization of all exhaust gases at upper temperature border according to one version; with possibility of partial ionization, according to other version; and without ionization, according to third version; and with possibility of condensing of all exhaust gases in closed volume at lower temperature border according to one version, or part of exhaust gases, according to other version. To execute proposed method, volumetric expander of internal combustion engine and energy separation swirl chamber form common closed volume with interrelated thermodynamic parameters and possibility of building vacuum in said volume. Invention considers engine furnished with drain system for letting out waste condensed working medium, system to let out noncondensed gaseous component of waste working medium and also engine in which energy separation swirl chamber consists of series-mounted energy separation swirl chambers forming interrelated thermodynamic system; energy separation swirl chamber consists of parallel mounted energy separation swirl chambers forming interrelated thermodynamic system. Invention provides increased efficiency of internal combustion engine and improves performance and ecological characteristics of internal combustion engine. EFFECT: improved thermodynamic cycle. 9 cl, 4 dwg