Patent ID: 6123271
Filing Date: 2000-09-26
Classification: B05B

Abstract:
An apparatus for cleaning the interior of a vessel by ejecting a rotating stream of fluid, comprising:a) first and second ends;b) an inlet formed in said first end for receiving said fluid;c) a gear train driven by said fluid received by said inlet;d) a rotatable housing disposed between said first and second ends and mounted for rotation about a first axis, a ring gear mounted in said rotatable housing for driving said rotation of said rotatable housing about said first axis;e) a first rotatable shaft driven by said gear train and driving said ring gear;f) a nozzle for ejecting said fluid, said nozzle rotatably mounted on said rotatable housing so that said nozzle rotates about a second axis, said second axis disposed between said first and second ends, said ring gear disposed between said second axis and said second end; andg) a flow path directing said fluid from said inlet to said nozzle by directing said fluid to flow around said gear train, said gear train disposed between said inlet and said nozzle, whereby fluid that collects in said flow path around said gear train can drain out through said nozzle and away from said gear train.