Patent ID: 8127473
Filing Date: 2012-03-06
Classification: E02F,Y10T

Abstract:
1. A suction tube device comprising a frame, a tube, a centrifugal pump which cooperates with the tube, and a cutter head at one end of the tube, said tube, centrifugal pump, and cutter head being supported by the frame, said centrifugal pump being provided with a first drive system and said cutter head being provided with a second drive system which is separate and independent from the first drive system, the drive systems of the centrifugal pump and of the cutter head each comprising at least one electric motor, wherein a motor of the drive system of the cutter head and a motor of the drive system of the centrifugal pump are interchangeable with respect to each other, wherein the drive system of the centrifugal pump comprises two electric motors, said electric motors being interchangeable with respect to each other, wherein an electric motor of the drive system of the cutter head and an electric motor of the drive system of the centrifugal pump, which are interchangeable, are identical, and wherein the electric motors of the drive system of the centrifugal pump are identical.