Sealing system for tank rotary shaft

A seal arrangement allowing in-line maintenance and replacement of packing, seals and bushings of a rotary shaft driving a tool extending inside a fluid holding tank. The rotary shaft and associated seals are mounted in an extractable cartridge removably insertable in sealing engagement within a hou...

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Bibliographische Detailangaben
Hauptverfasser:	Labrum, Deane, Beltrame, Dean, Boivin, Alain, Peloquin, Guy
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BLASTING CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDLING THIN OR FILAMENTARY MATERIAL HEATING LIGHTING MECHANICAL ENGINEERING PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PISTONS SEALINGS STORING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A seal arrangement allowing in-line maintenance and replacement of packing, seals and bushings of a rotary shaft driving a tool extending inside a fluid holding tank. The rotary shaft and associated seals are mounted in an extractable cartridge removably insertable in sealing engagement within a housing projecting outwardly from the tank. A secondary seal comprises an isolation valve mounted to the housing outside of the tank for temporarily providing sealing during servicing of the seals in the extracted cartridge. A tertiary seal is provided for protecting the secondary seal from the tank contents when used in scaling environments. Removable parts of said seal arrangement.