ROTARY MACHINE Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: machine has additional piston 7 and spring-loaded dividing plate 14 with additional fluid inlet 2 and outlet 3 channels on its both sides. Disc 8 installed on output shaft 9 has radial negative cams 15 opposite each piston 7. Pistons 7, plates 14 and cams 15 are disposed diametrically opposite to one another and have conjugated chamfers. The machine is provided with rollers 17 and sealing members 16 installed in pairs in dividing plates 14. Members 16 are installed on external side of plates 14 while rollers 17, on their internal side with a provision for continuous interaction with disc 8. EFFECT: higher reliability and performance of rotary machine. 2 cl, 3 dwg