FIELD: engines and pumps.
SUBSTANCE: working medium is compressed in multistage compressor and cooled to initial compression temperature. Then, working medium is displaced into combustion chamber for heat to be fed thereto. Now, working medium is displaced into working cylinder to expanded therein with no heat losses to transfer expansion energy to engine shaft and multistage compressor drive. Note here that amount of heat fed is controlled by equalising working medium pressure increase with magnitude εk-1, where ε working medium expansion ratio and k is expansion adiabatic curve factor. Piston engine to this end comprises multistage compressor with cooling system, heat-isolated combustion chamber separated from working cylinder, and partially heat-isolated working cylinder with working piston arranged therein.
EFFECT: higher engine efficiency.
5 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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