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:
Apr. 27, 2021
Filed:
Dec. 19, 2016
Ksb SE & Co. Kgaa, Frankenthal, DE;
Bestsens Ag, Coburg, DE;
Maximilian Hauske, Mannheim, DE;
Tina Weinberger, Stutensee, DE;
Christoph Brueckner, Coburg, DE;
Jurij Root, Coburg, DE;
Stefan Schneider, Coburg, DE;
Imannuel Rossteutscher, Coburg, DE;
KSB SE & Co. KGaA, Frankenthal, DE;
Bestsens AG, Coburg, DE;
Abstract
An arrangement for shaft sealing and to a method for monitoring the sealing of the shaft seal are provided. The arrangement includes a rotating slide ring and a stationary slide ring, with a sealing gap having a lubricating film therebetween. The arrangement includes at least one sound transducer for generating and/or receiving exciting sound waves in the form of Lamb Rayleigh waves in at least one slide ring. The signals of the sound transducer are evaluated by an evaluation unit to determine the condition of the lubricating film in the gap.