PISTON MACHINE Russian patent published in 1994 - IPC

FIELD: mechanical engineering; engines. SUBSTANCE: fitted in housing 1 with two cylinders 2 are pistons 3 rigidly coupled by rod 4 passing through bridge 5 separating one cylinder from the other. Cylinders 2 serve as cylinders of internal combustion engine under piston and as cylinders of pump or compressor under piston. Found in cylinder heads 6 are fuel mixture chamber 7, circular chamber 8, gas ducts 9 and exhaust channels 56 with valves 57. Piston position pickups 15 are installed in bridge 5. Lubricating device is made in bridge 5. Oil feed channels 23 are made in pistons 3. EFFECT: enlarged operating capabilities. 4 cl, 9 dwg