Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1994-05-11
1995-01-31
DePumpo, Daniel G.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277165, 277168, F16J 1532
Patent
active
053853539
ABSTRACT:
A sealing arrangement for sealing a gap (11) between two concentric machine elements which can relatively move with respect to each other, the first machine element (3) having a smooth contact surface (5) and the second machine element (4) having a profiled section (6) which faces the contact surface (5) of the first machine element (3), accommodates a sealing ring (2). The profiled section (6) is bounded by a first flank (8) and a second flank (9). The sealing ring has a curved peripheral surface (7) and a radial surface (13), either of which may be completely exposed to the high pressure side. A sealing edge (10) of the sealing ring (2) is formed by the line of intersection of a conical surface (14) and the curved peripheral surface (7). The conical surface (14) merges into the radial surface (13). The sealing ring of the invention has a defined pressing distribution and, if the curved peripheral surface (7) faces the high-pressure side, the whole surface of the sealing ring is pressed positively against the second flank (9) by a pressurized medium.
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McCuistion, T. J.: "A new rotary seal for high-speed and hig-pressure applications".
Busak and Luyken GmbH & Co.
DePumpo Daniel G.
Hackler Walter A.
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