Patent ID: 6027040
Filing Date: 2000-02-22
Classification: B05B,Y10S

Abstract:
A nozzle head assembly, comprising:a driven nozzle carrier supported for rotation about a longitudinal axis and provided with spray nozzles;a stationary housing formed with a pressurized water connection;a shaft rotatably supported in the housing and secured to the nozzle carrier, said shaft having a central passage for conducting pressurized water to the spray nozzles; anda sealing assembly positioned at a nozzle carrier distal end face of the shaft and including a first sealing disk of highly wear-resistant material, said first sealing disk bearing upon the nozzle carrier distal end face of the shaft and formed with a central passage, a first mounting for so securing the first sealing disk to the shaft as to allow a conjoint movement with the nozzle carrier and the shaft, a second sealing disk made of highly wear-resistant material, said first sealing disk having a pressurized water connection proximate end face which bears upon an end face of the second sealing disk, and a second mounting fixed in the housing for placement upon the second sealing disk,wherein the central passages of the shaft and the first sealing disk are slightly offset to one another.