Multi-shaft screw machine useful for mixer, compressor or pump

摘要

A motor drives several co- or contra rotating screw shafts (2,3) within a casing (1). The intermeshing spiral edges, or screws, convey the prod.. Screw(s) (6) is keyed to its shaft (3). On the opposite shaft (2), a freely-rotating counter screw (7) is carried at the end section (8), and is driven in the opposite direction. The opposite screw shaft (2) is interrupted in the region of the counter screw (7).