The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 19, 2010
Filed:
Oct. 24, 2005
Norbert Feistel, Ellikon a.d. Thur, CH;
Georg Samland, Oehningen, DE;
Norbert Feistel, Ellikon a.d. Thur, CH;
Georg Samland, Oehningen, DE;
Burckhardt Compression AG, Winterthur, CH;
Abstract
The invention relates to a dry-running piston rod sealing arrangement () for sealing a piston rod () mounted in a longitudinally displaceable manner. The sealing arrangement comprises at least one sealing ring () having a sealing surface (), an actuator (), a sensor (), and a chamber ring () containing the sealing ring (). The actuator () comprises an active connection in relation to the sealing ring (), such that the sealing surface () can be radially displaced in relation to the piston rod (). The actuator () can be controlled according to a measuring value detected by the sensor ().