Seal for a joint or juncture – Seal between relatively movable parts – Piston ring or piston ring expander or seat therefor
Patent
1997-09-02
1999-07-13
Reichard, Lynne A.
Seal for a joint or juncture
Seal between relatively movable parts
Piston ring or piston ring expander or seat therefor
277435, 277491, F16J 920
Patent
active
059215534
ABSTRACT:
A sealing ring assembly for installation in a single sealing ring groove of a piston that is for use in an internal combustion engine, hydraulic cylinder piston, or the like, and replaces the top and second ring seals as are presently utilized, which sealing ring assembly is for curtailing leakage between the piston outer surface and surface of a cylinder containing the piston. The sealing ring assembly consists of a first, primary or main ring that is for fitting in a piston sealing ring groove and is cut back along top and bottom surfaces to provide slots that are each receive a flat rail fitted therein, with the assembly to be contained within the sealing ring groove. The sealing ring assembly can be manufactured in various widths from one quarter (1/4) inch to one (1) millimeter, and the first, primary or main ring preferably has an end gap cut formed at a ninety (90) degree angle thereacross, and the rails preferably each have an end gap cut formed at a forty-five (45) degree angle thereacross.
REFERENCES:
patent: 1086948 (1914-02-01), Smith
patent: 1179682 (1916-04-01), Trump
patent: 1320307 (1919-10-01), Anderson
patent: 1407714 (1922-02-01), Whitcomb
patent: 1477368 (1923-12-01), Kottusch
patent: 2812196 (1957-11-01), Atkinson
patent: 3521893 (1970-07-01), Josephson
Double Seal Ring Company, "Catalog Double Seal Piston Rings", Fort Worth, Texas, pp. 3, 10 & back cover, 1953.
Binda Greg
Reichard Lynne A.
Russell M. Reid
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