Patent ID: 9476506
Filing Date: 2016-10-25
CPC Classification: F16J

Claim Text:
1. A slide ring seal, comprising: a slide ring, mounted in an axially movable manner; a counterpart ring; and a bellows spring element, wherein the slide ring includes a slide ring sealing surface, the counterpart ring includes a counterpart ring sealing surface, the slide ring sealing surface and the counter ring sealing surface bearing against one another, wherein the slide ring sealing surface is situated opposite the counterpart ring sealing surface, wherein the slide ring is pressed against the counterpart ring by the bellows spring element, wherein at least one of the slide ring sealing surface and the counter ring sealing surface includes elevations or unevennesses of a size of 0.1 μm to W mm, wherein W is calculated in accordance with formula wherein Dm is a mean diameter representing a mean value of an outer diameter (Da) and a inner diameter (Di) of the slide ring sealing surface and the counter ring sealing surface, which is circular-ring-shaped sealing surface, and wherein s is a thickness of the slide ring or counterpart ring.