Patent · US Active

Sealing device for rotary feedthrough

US8827275B2 · kind B2 · utility

2Cited by

15References

2Claims

0Family size

Assignee

VON ARDENNE Anlagentechnik GmbH · DE

Inventors

Hans-Juergen Heinrich · Ennepetal, DE
Ulf Seyfert · Dresden, DE
Peter Botzler · Radeberg, DE

Key dates

Filing date	Jul 30, 2012
Grant date	Sep 9, 2014
Priority date	—
Expiry date	Aug 1, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J15/002
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A sealing device for a rotary feedthrough for receiving a rotating machine element whose outer side can be applied to another machine element, includes at least two sealing elements disposed in tandem in the axial direction of the machine element. Inner sides of the sealing elements are configured for forming an active sealing connection with the rotating machine element. At least one of the sealing elements can be pressurized with an additional force acting in the radial direction so that the force of compression acting on the rotating machine element for the at least one of the sealing elements can be adjusted relative to the force of compression acting on the rotating machine element due to at least one other sealing element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.