MECHANICAL SEAL ARRANGEMENT HAVING SLIDING SURFACES OF DIFFERING HARDNESS

The invention relates to a mechanical seal arrangement comprising: a rotating slide ring (2) having a first slide surface and a stationary slide ring (3) with a second slide surface which between them define a sealing gap 4, wherein the first and second slide surfaces have different hardnesses, wher...

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Bibliographic Details
Main Authors SCHRÜFER, ANDREAS, KRETSCHMER, ANDREAS, OTSCHIK, JOACHIM, SCHOLZ, CARSTEN, SCHICKTANZ, RUDOLF
Format Patent
LanguageEnglish
Polish
Published 31.10.2017
Subjects
BLASTING
CYLINDERS
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PISTONS
SEALINGS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The invention relates to a mechanical seal arrangement comprising: a rotating slide ring (2) having a first slide surface and a stationary slide ring (3) with a second slide surface which between them define a sealing gap 4, wherein the first and second slide surfaces have different hardnesses, wherein the harder slide surface has a diamond coating (20) and the softer slide surface is produced from carbon composite material, and wherein an average initial roughness Ra1 (of the diamond coating 20) is less than an average initial roughness Ra2 of the slide surface made from carbon composite material.
Bibliography:Application Number: PL20140709278T