Mechanical seal unit, particularly for a fire extinguishing pump

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United States of America Patent

PATENT NO 9234593
APP PUB NO 20130011256A1
SERIAL NO

13519680

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Abstract

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The present invention refers to a premounted mechanical seal unit, particularly for a fire extinguishing pump, with a rotating seal ring a stationary seal ring, the rotating seal ring and the stationary seal ring defining a seal gap thereinbetween, an inner sleeve which is connected to the rotating seal ring, an outer sleeve which is connected to the stationary seal ring, and a securing element which secures the outer sleeve to the inner sleeve. The inner sleeve and the outer sleeve in axial direction each have a length greater than a sum of the axial lengths of the rotating seal ring. The inner sleeve has a first form closure device on a first axial end and a second form closure device on a second axial end.

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Patent Owner(s)

Patent OwnerAddress
EAGLEBURGMANN GERMANY GMBH & CO KGGERMAN WOLFRATSHAUSEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Holzapfel, Thomas Sindelsdorf, DE 2 5
Ries, Wolfgang Eschenlohe, DE 39 1211
Svejkovsky, Reinhard Geretsried, DE 8 63

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