| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible packing ring for a turbine that is installed at a rotating shaft [a rotor shaft] such as a turbine shaft of power generating facilities and capable of preventing leakage of oil at a bearing side or flowing-in of external foreign substances at the bearing side.SOLUTION: A flexible packing ring for a turbine of this invention has a feature that a first seal ring housing that is formed like an arc-shape corresponding to at least a part of a circle and a second seal ring housing that is formed like an arc-shape corresponding to at least the other part of the circle are combined to form one circle, a first fixed seal ring is engaged with an inside part of the first seal ring housing, a second fixed seal ring is engaged with an inside part of the second seal ring housing, and at least one movable seal ring is engaged with an inside part of each of the first fixed seal ring and the second fixed seal ring.SELECTED DRAWING: Figure 1 |
