Sealed bearing system for hydraulically operated devices

Details Sealed bearing system for hydraulically operated devices Sealed bearing system for hydraulically operated devices

1980-08-20

1982-03-23

Footland, Lenard A.

Cutlery

308233, F16C 1910

Patent

active

043209297

ABSTRACT:
A sealed bearing system for rotatably journaling a shaft relative to a surrounding housing by means of bearing assemblies each comprising a pocket secured to the housing and a bearing support secured to the shaft, the bearing support extending into the pocket with bearings interposed between the bearing support and the walls of the pocket; a lubricant is sealed in the pocket by sealing rings extending between the bearing support and the walls of the pocket; the bearing assemblies are provided in opposing pairs with flow restrictor means lying between the bearing assemblies, thereby forming a system which permits fluid flow between the shaft and the housing but which seals the bearings from infiltration of the fluid irrespective of pressure variation in the flowing fluid.

REFERENCES:
patent: 3449030 (1969-06-01), Tiraspolsky et al.
patent: 3894818 (1975-07-01), Tschirky
patent: 4079672 (1978-03-01), Gasser et al.
patent: 4269460 (1981-05-01), Orain

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