| 摘要 |
A SEAL (20, 38) INCLUDES A SEAL RING (22) WITH A CIRCUMFERENTIAL SPLIT DEFINING A GAP (24). AN ARCUATE BRIDGE (26) EXTENDS ACROSS THE GAP (24) AND NESTS IN THE SEAL RING (22). THE BRIDGE (26) INCLUDES AN ANCHOR END (28) WHICH ENGAGES THE SEAL RING (22) SOLELY IN FRICTION TO RESTRAIN DIFFERENTIAL CIRCUMFERENTIAL MOVEMENT THEREBETWEEN. THE BRIDGE (26) ALSO INCLUDES A SLIP END ENGAGING THE SEAL RING (22) ON AN OPPOSITE SIDEOF THE GAP (24) WITH LESS FRICTION THAN THE ANCHOR END (28) TO PERMIT DIFFERENTIAL CIRCUMFERENTIAL MOVEMENT THEREBETWEEN.
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