SEALING DEVICE WITH WEAR AUTOCOMPENSATION Russian patent published in 2019 - IPC F16J15/56 

FIELD: machine building.

SUBSTANCE: invention relates to the field of sealing technology, in particular, to designs of pulsed hydraulic accumulators (PHA). Sealing device with autocompensation of wear contains a sealing block of two outer and one inner guide rings made of fluoroplastic, made on the mating surfaces in the form of a truncated cone, on which polyurethane sealing rings are mounted, and from the side of the working fluid and in front of the pressure washer, two sets of cup springs with stop rings are installed with the possibility of ensuring their uniform preload, at the same time between the guide rings there is a rubber ring with graphite lubricant, and the pressure washer is made with a polyurethane dirt trap.

EFFECT: invention provides the possibility of reliable sealing of the working fluid during the long operation of the PHA.

1 cl, 1 dwg