Invention Grant
US08210821B2 Labyrinth seal for turbine dovetail 有权
涡轮燕尾形迷宫密封

Labyrinth seal for turbine dovetail
Abstract:
A labyrinth seal that may include a first leg positioned about a high-pressure side of the dovetail tab, a second leg positioned about a low-pressure side of the dovetail tab, and a labyrinth chamber positioned between the first leg and the second leg. High-pressure fluid passing through the gap about the first leg expands within the labyrinth chamber so as to limit an amount of the high-pressure fluid that passes beyond the second leg.
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