Patent ID: 7507298
Filing Date: 2009-03-24
Classification: B08B,B63B

Abstract:
1. Cleaning equipment for cleaning a tank having a tank space for storing liquid therein, the tank having a top opening leading to the tank space, the cleaning equipment being mountable to the opening on the tank, the cleaning equipment comprising: a cover for attachment to the opening, a cleaning pipe mounted to the cover and extending therethrough, the cleaning pipe being lowered through the opening into the tank space when the cover is fitted to the opening; a revolving cleaning head connected to the cleaning pipe and having rotatable nozzles, from which a cleaning medium is discharged; a suction pipe movably mounted to the cover and extending therethrough, the suction pipe being disposed along side of the cleaning pipe and being vertically displaceable relative thereto, the suction pipe extending through the cover from the top opening of the tank to a bottom of the tank space, the suction pipe being connected to a suction side of a pump, a delivery side of the pump being connected with the cleaning pipe leading to the rotatable nozzles of the revolving cleaning head, the suction pipe drawing in and mixing the discharged cleaning medium and the stored liquid contained in the tank space for recirculation to effect cleaning of the tank space, means for adjusting a length of the suction pipe extending into the tank space to accommodate tanks of different dimensions and to adjust a suction end of the suction pipe relative to the bottom of the tanks of different dimensions, the means for adjusting the length including one or more guides extending from the cleaning pipe for guiding the vertically movable suction pipe, a longitudinal key secured on the suction pipe, the cover having a keyway provided therein with the longitudinal key movable therein, a spindle being mounted on the cover externally of the tank space and engaged with the suction pipe, a handle mounted on the spindle, rotation of the handle vertically raising or lowering the suction pipe relative to the cover and thereby the suction end relative to the bottom of the tank.