FIELD: mechanical engineering; engines. SUBSTANCE: valves 5,6,7 and 8 for intake and exhaust of air charge are installed in engine pistons 3 and 4, and fuel-feed devices 9 and 10 are provided. Engine pistons 3 and 4 are arranged in liner 2 of housing 1. Their bottoms are made of heat insulating material. Shape of bottoms of pistons 3 and 4 is made parabolic (concave) from side of combustion zone. Provision of valves and fuel feed devices 9 and 10 in pistons 3 and 4 makes it possible to adjust size of combustion chamber and concentration of fuel spray. EFFECT: increased efficiency of free piston engine. 8 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF FUEL SUPPLY AND FREE-PISTON TWO STROKE ENGINE IMPLEMENTING THE METHOD | 2002 |
|
RU2232908C1 |
| TWO-STROKE FREE-PISTON ENGINE | 2002 |
|
RU2235215C2 |
| METHOD OF SCAVENGING OF TWO-STROKE FREE-PISTON ENGINE | 1996 |
|
RU2109150C1 |
| METHOD OF OPERATION OF FREE-PISTON TWO-STROKE ENGINE | 2002 |
|
RU2225519C2 |
| METHOD AND DEVICE FOR SCAVENGING FREE PISTON ENGINE | 2001 |
|
RU2200855C1 |
| DIESEL ENGINE NOZZLE | 1996 |
|
RU2109979C1 |
| AIR CLEANER FOR INTERNAL COMBUSTION ENGINE | 1993 |
|
RU2079693C1 |
| VARIABLE DISPLACEMENT HYDRAULIC MACHINE | 1993 |
|
RU2056536C1 |
| HYDROPNEUMATIC ACCUMULATOR AND METHOD OF CHANGING IT | 1997 |
|
RU2133887C1 |
| FREE-PISTON ENGINE-PUMP | 0 |
|
SU1794198A3 |
