Wilo Ag

Wilo Se

Volker Netsch

Bernd Huster

Wolfgang Geier

Thomas Keil

Johannes Reuschel

Klaus Hagen

Alfred J Otto

Bernd Kretschmer

Christian Berger

Heiko Unger

Martin Vogt

Michael Meier-wagner

Oliver Drubel

Henry Kohler

Daniel Höke

Heiko Döhler

Roland Ummelmann

A shaft extending along and rotatable about an axis and a housing surrounding a portion of the shaft are provided with a seal assembly having an inner ring fixed on and rotatable with the shaft and having a pair of axially oppositely directed outer faces and a pair of outer slide rings axially flanking the inner ring and having inner faces axially sealed on the inner-ring outer faces. The outer rings, the housing, and the inner ring form an annular housing compartment surrounding the shaft. A blocking compartment on the housing is separate from the housing compartment. The inner ring is formed with a radially throughgoing passage having an inner end open on the shaft and an outer end open into the housing compartment. The housing is formed with a bore between the housing compartment and blocking compartment.

Slide ring seal

Growing community of inventors

Landshut, Germany

Volker Netsch