"ESTAPHETA" ROTARY PISTON ICE Russian patent published in 2009 - IPC F02B53/00 F01C1/63 

FIELD: engines and pumps.

SUBSTANCE: invention relates to engine production. The proposed engine comprises a hollow housing with intake and discharge ducts and openings, rotors with pistons and torque transfer mechanism. The latter represents a bevel gear differential with differential pinions fitted on axles rigidly linked up with output shaft, while central bevel pinions are rigidly linked up with appropriate rotors. The housing movable sealing device is arranged nearby each rotor along the edges of the cylinder neck. The engine control device represents an automatic control device comprising cam-type rod-slider mechanism fitted on the axle of every rotor. One end of the said axle accommodates the rod with its pin received in the adjacent rotor slot. The other end accommodates a gear wheel in mesh with the toothed sector fitted on the shaft and having its pin in mesh with the rocker mounted on the rotor. The said rocker has a roller to interact with the cam arranged on the engine housing.

EFFECT: higher efficiency and reliability, longer life.

2 dwg