Device for the insertion of weft threads into the shed of air jet looms, and adjustable blowers used thereby.

摘要

The invention concerns a device for the insertion of weft thread (1,2) into the shed for air weaving looms whereby it is mainly composed of the combination of a main blower (4) and of at least one auxiliary main blower (5, 6) stationary mounted before the main blower (4) and which has an adjustable flow-through aperture (23) for the supplied medium and, for each auxiliary main blower (5, 6) a transmission (7, 8) in order to achieve the adjustment of the flow-through aperture (23).