| 摘要 |
A rotor for food pulping or straining machines is equipped with a plurality of blades ( 2 ) designed to act on the food product to force at least part of it out through a sieve ( 3 ) that surrounds the rotor ( 1 ) and is characterised in that the blades ( 2 ) are shaped in such a way as to cause sudden changes of direction in the moving product particles, thus producing a rapid succession of impulses that act on substantially stationary product particles adhering to the sieve ( 3 ), these impulses causing the propulsion of the substantially stationary product particles.
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