Cylindrical pipe seal for hydro-pneumatic damping, springing and storage elements

摘要

It is intended to create a seal for a hydro-pneumatic damping, springing or storage element, which seal can simultaneously be used as a filling valve with a very low cost and using simple means, and which can be used as a reliable, self-closing non-return valve without increasing the structural height. This problem is solved by means of an annular groove which is arranged in the guiding seal component, whose groove base of the annular groove runs over the entire circumference parallel to the rotation axis, at least one opening connecting the operating space of the cylinder to the annular groove, into which the cylindrical pipe seal can expand during filling by means of a filling device.