Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1990-01-17
1991-08-13
Cuchlinski, Jr., William A.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 85, 277 961, F16J 1534
Patent
active
050391135
ABSTRACT:
A dry running gas seal includes a stationary seal ring carrier attached to the machine body wherein the stationary seal ring carrier has an annular pocket, a stationary seal ring held in the pocket, a rotary seal ring carrier fixedly attached to the shaft wherein the rotary ring carrier has an annular pocket, a rotary seal ring held in the pocket wherein the rotary seal ring has a sealing face held adjacent to the stationary seal ring and grooves formed on the sealing face of the rotary seal ring wherein the grooves have an average angle of 5 to 15 degrees. The seal further comprises: an annular notch formed in a portion of the stationary seal ring axially away from the rotary seal ring, a "T" shaped insert extending into the notch, and an "O" ring disposed between the insert and the inner walls of the pocket in the stationary seal ring carrier. The seal further includes an annular groove formed in the radially inner wall of the rotary seal ring carrier, and a finger spring disposed in the groove.
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Cuchlinski Jr. William A.
Cummings Scott
EG&G Sealol Inc.
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