Belly band seal with circumferential spacer
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United States of America Patent
Stats
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Jul 26, 2016
Grant Date -
Feb 26, 2015
app pub date -
Aug 23, 2013
filing date -
Aug 23, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A circumferentially extending sealing band is located within sealing band receiving slots formed in adjacent turbine engine disks. The sealing band includes a plurality of seal strips forming overlap joints defined by overlapping end portions, each formed by a tongue portion extending from a seal face of one seal strip past a seal face of the adjacent seal strip, along a radially inward facing side of the adjacent seal strip. A joint gap is defined within at least one overlap joint between the seal face of the one seal strip and the seal face of the adjacent strip, and a spacer is affixed to the one seal strip and is located at a position within the joint gap between the seal faces to limit circumferential movement of the seal faces toward each other.
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