Eagleburgmann Germany Gmbh & Co. Kg

Carl Freudenberg Kg

Burgmann Industries Gmbh & Co. Kg

Andreas Fesl

Andreas Schrüfer

Klaus Lang

Joachim Otschik

Ferdinand Werdecker

Benjamin Hellmig

Josef Strobl

Günther Lederer

Armin Laxander

Rudolf Schicktanz

Rolf Johannes

Thomas Keller

Peter Dröscher

Peter Feigl

Petia Philippi

Berthold Vogel

Florian Bauer

Glenn Schmidt

Michael Müller

Manfred Oppler

Stephan Rankl

Johannes Strohmeier

Dieter Klusch

Maximilian Frank

Florian Dotzer

Giuliano Rossi

Thomas Holzapfel

The invention relates to a mechanical seal assembly, comprising a mechanical seal () having a rotating slide ring () and a stationary slide ring () which define a sealing gap () between their sliding surfaces (), and a torque meter () which is configured to detect a torque acting on the stationary slide ring (), wherein the torque meter () comprises a measuring unit () and a sensor (), wherein the measuring unit () is fixed by a foot () to a housing () and comprises a free end () which protrudes in a groove () formed in an outer periphery of the stationary slide ring (), and wherein the sensor () is configured to detect a position change of the measuring unit () in the groove ().

Mechanical seal assembly comprising a torque meter, and method therefor

The invention relates to a mechanical seal arrangement for sealing a process chamber (), which is filled with a non-toxic, gaseous process medium, with respect to a bearing chamber (), comprising a first mechanical seal () with a rotating slide ring () having a first sliding surface () and a stationary slide ring () having a second sliding surface (), which define a first sealing gap () between the sliding surfaces (), a second mechanical seal () with a rotating slide ring () having a third sliding surface () and a stationary slide ring () having a fourth sliding surface (), which define a second sealing gap () between the sliding surfaces (), a first pretensioning device () which prestresses the stationary slide ring () of the first mechanical seal () in the axial direction (X-X) and a second pretensioning device () which prestresses the stationary slide ring () of the second mechanical seal () in the axial direction (X-X), a fluid chamber () arranged between the first mechanical seal () and the second mechanical seal (), which is in fluid connection with the first and second sealing gap and, in operation, receives leakage from the process chamber () via the first sealing gap (), and from which a return line () leads off, configured for a return of process medium from the fluid chamber () to a process area.

Mechanical seal arrangement

The invention relates to a mechanical seal arrangement () comprising a mechanical seal () having a rotating seal ring () with a first sealing surface () and a stationary seal ring () with a second sealing surface (), a pre-tensioning device (), to pre-tension one of the two sliding rings in the axial direction (X-X), a secondary sealing member () disposed on a rear side () of the axially pre-tensioned sliding ring, the pre-tensioning device () pre-tensioning the axially pre-tensioned sliding ring via the secondary sealing member (), and a sleeve (), which is arranged radially inside the secondary sealing member (), the secondary sealing member () being arranged on the rear side () of the axially pre-tensioned sliding ring, the secondary sealing member () having a sealing edge () which is closed in an annular shape in the circumferential direction which projects from the secondary sealing member () in the axial direction (X-X) to the axially pre-tensioned sliding ring, wherein the sealing edge () seals against the rear side () of the axially pre-tensioned sliding ring, and wherein the secondary sealing member () further seals against the outer circumference of the sleeve () with an inner circumferential surface ().

Mechanical seal arrangement for high temperature applications

The invention relates to a compressor arrangement comprising a compressor () for compressing a process gas () from a suction region () towards a pressure region (), a mechanical seal arrangement () for sealing against an atmosphere () on a shaft () of the compressor (), wherein the mechanical seal arrangement comprises a mechanical seal () having a stationary slide ring () with a first sliding surface () and a rotating slide ring () with a second sliding surface (), which define a sealing gap () between the sliding surfaces (), and a barrier fluid supply () with a barrier fluid line () which extends from the pressure region () of the compressor () to the mechanical seal () and through which process gas is branched off from the pressure region, the stationary slide ring () having a through opening (), which extends from a rear side () of the stationary slide ring () to an orifice at the first sliding surface () of the stationary slide ring to supply process gas from the barrier fluid line () through the stationary slide ring () to the sealing gap ().

Compressor arrangement with reduced process gas consumption

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

The invention relates to a mechanical seal assembly for sealing between a high pressure region and a low pressure region, comprising: a stationary seal ring connected to a stationary component, a rotating seal ring connected to a rotating component, a divided power absorption ring arranged at the rotating component, and a compensation ring unit comprising a first ring, a second ring and a third ring, wherein the first ring and the second ring have a higher strength than the third ring, and wherein the compensation ring unit is arranged in the force path between the high pressure region and the divided power absorption ring.

Mechanical seal assembly with compensation element

A slide ring seal arrangement comprises a rotationally fixed slide ring () and a slide ring (), which is provided for rotating together with a rotating component, these slide rings each being held in a loose seat and interacting, in, in essence, radially oriented sealing surfaces, which are prestressed with a main prestressing force while in contact with one another. Each slide ring, on its front face that faces away from the sealing surface, is axially supported on a supporting part () via an annular bearing surface () provided between the respective supporting part and the adjacent front face of the respective slide ring. A load ratio (d&#x2212;d)/(d&#x2212;d) of =2.0, preferably between 0.8 and 2.0, preferably no greater than between 1.0 and 1.5, more preferably approximately 1.3 is maintained on the bearing surface (). The measurement (d&#x2212;d) of each bearing surface () is equal to =10 mm, preferably between 0.2 and 2.0, preferably no more than approximately 0.6 mm.

Slide ring seal arrangement

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Otterfing, Germany

Andreas Fesl