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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.:

US 9841107 B1

PDFFull Text
Date of Patent:
Dec. 12, 2017

Filed:

Mar. 11, 2014

Mechanical seal arrangement having sliding surfaces of different hardness

Applicant:

Eagleburgmann Germany Gmbh & Co. KG, Wolfratshausen, DE;

Inventors:

Joachim Otschik, Beuerberg, DE;

Andreas Kretschmer, Geretsried, DE;

Carsten Scholz, Eurasburg, DE;

Rudolf Schicktanz, Geretsreid, DE;

Andreas Schrufer, Wolfratshausen, DE;

Assignee:

EagleBurgmann Germany GmbH & Co. KG, Wolfratshausen, DE;

Attorneys:

Locke Lord LLP

Scott D. Wofsy

Alicia J. Carroll

Primary Examiner:

Archene Turner

Int. Cl.
CPC ...
F16J 15/34 (2006.01); F16J 15/16 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3496 (2013.01); F16J 15/162 (2013.01);
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.

Find Patent Forward Citations

Otschik, Joachim. (2017). Mechanical seal arrangement having sliding surfaces of different hardness (U.S. Patent No. 9841107). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9841107

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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