FIELD: construction.
SUBSTANCE: rolling of a shell in chambers is carried out by means of action of a traction body force at a shell and exposure of the shell to the pressure of the fluid agent interacting with the shell. The method is carried out by a device arranged from two coaxially installed shells of different diameter, at the same time chambers formed by shells are communicated with systems of supply and removal of the fluid agent, and the element of the drive or the entire drive is arranged in the inner shell.
EFFECT: using the invention makes it possible to perform various functions, for instance, to pull vacuum, to convert thermal, hydraulic or pneumatic energy into a rotary movement of an actuator.
6 cl, 9 dwg
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