Apparatus for reversing the conveying-air in pneumatic suction-conveying installations

Claim 1

A pneumatic suction conveying installation having a separator means for separating conveyed material and a blower means for providing suction through the separator means, comprising: a conduit means for interconnecting said blower means and said separator means including a hose portion, a suction union and a delivery union provided on said blower means, means for positioning said suction union and said delivery union into a position parallel to one another, a common end flange means provided on said means for positioning, and a hose switch means disposed between said hose portion and said common end flange means, said hose switch means being selectively displaceable to align with at least one of said suction union or said delivery union of said blower means to selectively reverse the air flowing through the separator, and means for guiding said hose portion axially and in the direction of displacement simultaneously, and means for selectively producing this movement, said guiding means including a guide and a guide element arranged on said hose portion adapted to engage in said guide, said guide including a portion which is arranged between the adjacently-disposed mouths of said suction and said delivery unions parallel to the plane in which the mouths are situated, and portions which adjoin the first-mentioned portion at both ends and are inclined towards the respective mouth in each case.