Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1992-07-06
1993-02-23
Cuchlinski, Jr., William A.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 81R, 277 82, F16J 1534
Patent
active
051883775
ABSTRACT:
An externally-mounted, stationary-design, self-aligning, rotary face-seal is provided for securement to a rotatable shaft member extending through a housing of equipment containing a media (e.g. liquid, gas or granular solids) which is to be sealed therein. The seal includes a diametrically-split mounting plate having a plurality of spaced-apart recesses in a face thereof, the assembled mounting plate being secured in sealed relation to the housing of the equipment and with the rotatable shaft member extending through the mounting plate and projecting into an ambient environment exteriorly of the housing. The seal includes a diametrically-split stator face disposed in the ambient environment. A face of the stator is fitted with spaced-apart anti-rotation guide pins, the projecting ends of the guide pins being disposed within the associated recesses in a face of the mounting plate. A resilient spring member is captured on each respective guide pin. One end of the spring member abuts a face of the stator. Each spring member is retained on the guide pin, thereby providing a pre-assembled unit comprised of the stator, the guide pins and the resilient spring members. The seal also includes a diametrically-split rotor which is fluid-tightly fitted and secured onto the rotatable shaft in the ambient environment, with its inboard face in sealing contact with the outboard face of the stator.
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Cuchlinski Jr. William A.
DePumpo D.
Nuraseal Company, Limited
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