DRIVING SCREW

摘要

The screw is designed for driving vessels. It improves the homogenation of the fluid stream. The screw consists of two adjacent screw (1 & 2) with cencentric shafts (3 & 4) interconnected by a reversible mechanism (5). Tangential vanes (8 & 9) having slots between them (10 & 11), respectively, are formed along the height of the blades (6 & 7) of the adjacent screws. Vanes (8) of the first screw (1) are fitted in the zone of the slots (11) of the second screw (2), the vanes (9) of which are fitted in the zone of the slots (10) of the first screw (1).