Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1984-08-09
1985-05-14
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277204, 277235B, F16J 1512
Patent
active
045167842
ABSTRACT:
A seal assembly comprised of a pair of concentric rings radially spaced with a tortuous or convoluted channel therebetween in which is carried a rubber-like compressible seal element that extends beyond the radial surfaces of the rings. The inner ring has passages for flow between registering passages of assembled components, e.g., radial piston pumps. Such passages are inside the perimeter of the seal element and within convolutions. The outer ring has apertures for passage of screws for assembling the components together, thereby compressing the sealing element during assembly to effect a tight seal. The compressed material is displaced into adjoining concavities molded into the sealing element within the thickness of the concentric carrier rings.
REFERENCES:
patent: 3279805 (1966-10-01), Quinson
patent: 3342501 (1967-09-01), Meyer
Ward Robert S.
Zahnradfabrik Friedrichshafen AG
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