SPIRAL MACHINE Russian patent published in 2017 - IPC D06F39/00 

FIELD: machine engineering.

SUBSTANCE: the spiral machine comprises a pair of spiral elements, each of which includes an end disc with an involute spiral protruding perpendicularly therefrom in the axial direction, one of the spiral elements is adapted for movement with the eccentricity e in relation to the other, made stationary, assembled spiral elements form at at least a pair of closed spaces between them. Involute spirals re formed with different radii of the base circle so that the gap between the outer wall of the movable spiral and the fixed inner wall is uniformly increased, and between the inner wall of the movable spiral and the fixed outer wall evenly decreases from the center to the periphery.

EFFECT: compared with the prototype, the spiral machine provides a residual pressure reduction of at least 2 times.

2 cl, 2 dwg