bar the transportation device 7 is moved in about the supporting bar 8 in a known manner for instance with the help of a cylinder or the like the detergent fluid hose 5 and scavenging agent hose 6 are led from the outside of the machine connected with the transportation device 7 at one end and connected to the distributing unit 4 at the other end when operating the machine the transportation device 7 is transferred with the help of a power source supported on the supporting bar 8 the detergent fluid hose 5 and the scavenging agent hose 6 are transferred along with the transportation device 7 also the hoses 5 6 with their other end connected to the distributing unit move inside the frame simultaneously belts 13 are positioned between the rolls 2 at a suitable distance from each other the carpet is supported on the belts 13 while the carpet is transferred inside the machine between the middle roll and the scavenging rolls have been placed guiding devices 14 which are arranged to transfer the positions of the belts in regard of the carpet consequently the spot situated underneath the belt will be scavenged in an efficient way between the washing and the scavenging rolls second guiding devices 15 are positioned which are arranged to transfer the belts back again in an embodiment of the transportation device a net is used in a second embodiment of the invention a washing and scavenging device is disposed inside the middle of the frame above the roll the structure and function of which correspond to the unit described above the carpet can be washed efficiently on both the sides in this.