Eagleburgmann Germany Gmbh & Co. Kg

Josef Strobl

Andreas Fesl

Ferdinand Werdecker

Andreas Schrüfer

Benjamin Hellmig

Michael Müller

Giuliano Rossi

Johannes Strohmeier

The invention relates to a gas-lubricated mechanical seal arrangement () comprising a first mechanical seal () having a first rotating slide ring () and a first slide ring () defining a first sealing gap () between sealing surfaces (), the first slide ring () having a passageway () for supplying a barrier fluid to the first sealing gap (), wherein the passageway () extends from a rear surface () to the sliding surface () of the first stationary slide ring (), and wherein on the first rotating slide ring () a first secondary seal () for sealing and a centering device () for centering of the first rotating slide ring () are arranged.

Zero-emission mechanical seal arrangement

The invention relates to a gas-lubricated mechanical seal arrangement using a gaseous fluid as a barrier medium, comprising a mechanical seal comprising a rotating slide ring () and a stationary slide ring () defining a seal gap () therebetween, a biasing means () biasing the stationary slide ring () towards the rotating slide ring (), a fluid space (), into which the gaseous fluid can be introduced, a first slide ring carrier () for retaining the rotating slide ring (), the first slide ring carrier () having a first axial surface (), a second slide ring carrier () for retaining the stationary slide ring (), the second slide ring carrier () having a second axial surface (), the second slide ring () and the stationary slide ring () being arranged together on a displacement surface () so as to be displaceable in the axial direction (X-X), an axial gap (), which is limited by the first axial surface () and the second axial surface (), and an antechamber () which is formed at the sealing gap () of the mechanical seal and which is connected to the fluid space () via the axial gap ().

Gas-lubricated mechanical seal having improved soiling protection

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Rottach-Egern, Germany

Josef Strobl