| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: piston contains the tubular case provided on its ends with sets of disks strapped in a package between the flange fixed on the case and the clamping ring, consisting of guiding and compressing disks and spacer elements. The piston is provided with least, one cleaning element made in the form of a disk with a holder, the guides of which accommodate L-shaped canines arranged at the angle of 60° the piston lengthwise axis. In the other version, the piston contains the tubular case provided with, at least, one set of compressing and cleaning elements separated by spacer strapped in a package between the flange fixed on the case, and a clamping ring. Here, the cleaning element being the same as that in the first version, and the second, identical, cleaning element is arranged on the holder connected to the case to turn with the latter around the lengthwise axis. ^ EFFECT: increase in efficiency of cleaning the pipeline. ^ 6 cl, 14 dwg |
