TWO STROKE AXIAL ENGINE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: engine has housing with compression chambers, two opposite stepped cylinder groups connected by rods and cylinder of hydraulic pump and two working cylinders with scavenging and exhaust ports installed for reciprocating. Each cylinder accommodates fixed pistons with separated combustion chamber with fuel nozzle. Combustion chamber is made spherical with neck in form of de Laval nozzle. End faces of working cylinder are provided with bead dividing engine housing into scavenging and compression chambers forming piston pneumatic compressor. Spool of hydraulic pump is made in form of eccentric valve diaphragm providing transfer of working liquid to drive output hydraulic turbine. EFFECT: increased specific power, reliability and fuel economy of engine, provision of compact design. 3 cl, 1 dwg