Labyrinth seal and method of making same

A seal assembly is adapted for mounting between a rotatable shaft and an outer stationary housing, the seal assembly being made up of a metal sleeve in surrounding relation to the shaft, a non-metallic resilient seat in surrounding relation to the sleeve, the seat being heat-expandable to permit pla...

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Bibliographische Detailangaben
Hauptverfasser:	JUMP KENNETH L, MANSDORFER GARY A
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PISTONS SEALINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A seal assembly is adapted for mounting between a rotatable shaft and an outer stationary housing, the seal assembly being made up of a metal sleeve in surrounding relation to the shaft, a non-metallic resilient seat in surrounding relation to the sleeve, the seat being heat-expandable to permit placement over the sleeve and, upon cooling, will contract or shrink into snug-fitting engagement with the sleeve along selected areas with labyrinth grooves formed along the inner surface of the seat between the selected areas of sealed engagement; and an excluder ring is mounted on one end of the seat along with an annular drive lock which is wedged into one end of the sleeve so as to impart rotation of the shaft into the sleeve and excluder ring.