| 摘要 |
<p>A rotative machine for fluids comprising a plate with spiral-like passages for the circulation of fluid therein, in which also circulate the vanes of vane wheels carried by a disc coaxial to and facing said plate. Spiral-like walls placed inside the passages are movable in relation to the passages so as to vary the crosssections of the passages and, consequently, the fluid circulating therein.</p> |
