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:
Dec. 12, 2017
Filed:
Mar. 11, 2014
Eagleburgmann Germany Gmbh & Co. KG, Wolfratshausen, DE;
Joachim Otschik, Beuerberg, DE;
Andreas Kretschmer, Geretsried, DE;
Carsten Scholz, Eurasburg, DE;
Rudolf Schicktanz, Geretsreid, DE;
Andreas Schrufer, Wolfratshausen, DE;
EagleBurgmann Germany GmbH & Co. KG, Wolfratshausen, DE;
Abstract
The invention relates to a mechanical seal arrangement comprising: a rotating slide ring () having a first slide surface and a stationary slide ring () with a second slide surface which between them define a sealing gap, wherein the first and second slide surfaces have different hardnesses, wherein the harder slide surface has a diamond coating () and the softer slide surface is produced from carbon composite material, and wherein an average initial roughness R(of the diamond coating) is less than an average initial roughness Rof the slide surface made from carbon composite material.