Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1994-05-31
1996-02-20
DePumpo, Daniel G.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 81R, 277 961, 277 95, F16T 1532
Patent
active
054923379
ABSTRACT:
A seal assembly for a vehicle wheel assembly is provided for use between its two relatively rotatable coaxial parts, to seal the bearing chamber. The seal assembly includes a pair of nested casings forming a C-shaped recess in cross section. An annular wafer seal is disposed within the recess and pressed firmly against the adjacent sealing surface by inside and outside frustoconical springs. The inner and outer peripheral edges of the wafer seal form two seal interfaces along circular lines of contact. In addition, the center ring section of the wafer seal is attached by adhesive to a generally flat, annular face of one of the casings. In accordance with the method of assembly/installation, the springs are first installed and retained on the casing to which the seal is attached, thereby urging the peripheral edges of the wafer seal away from it. The casings are then pressed together, flexing the peripheral edges in the opposite direction and forming the circular lines of contact for sealing.
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DePumpo Daniel G.
General Motors Corporation
Griffin P. M.
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