FIELD: engines and pumps.
SUBSTANCE: invention relates to method of motion conversion in the displacement rotary screw machine and to this machine. Displacement screw machine incorporates several sets (80 70; 60, 50) of external members with the inner helical surface and internal members with the outer helical surface. Note that in every set a rotary motion is initiated of at least one element. Motion of elements in different sets (80, 70, 60, 50) is synchronised.
EFFECT: higher efficiency allowing producing dynamically balanced machine.
11 cl, 1 dwg
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