| gen. |
screw pump (1. (from the article `pump`) In a screw pump, a helical screw rotor revolves in a fixed casing that is shaped so that cavities formed at the intake move toward the discharge as ... Found on 2. A screw pump is a positive displacement pump that use one or several screws to move fluids or solids along the screw(s) axis. In its simplest form (the Archimedes` screw pump), a single screw rotates in a cylindrical cavity, thereby moving the material along the screw`s spindle. This ancient constr... Found on  britannica.com, wikipedia.org Alexander Demidov) |
