Invention Grant
US08109716B2 Gas turbine engine systems involving hydrostatic face seals with anti-fouling provisioning 有权
燃气涡轮发动机系统涉及防静电面密封,具有防污垢配置

Gas turbine engine systems involving hydrostatic face seals with anti-fouling provisioning
Abstract:
Gas turbine engine systems involving hydrostatic face seals with anti-fouling provisioning are provided. In this regard, a representative turbine assembly for a gas turbine engine comprises: a turbine having a hydrostatic seal; the hydrostatic seal having a seal face, a seal runner, a carrier, and a biasing member; the seal face and the seal runner defining a high-pressure side and a lower-pressure side of the seal; the carrier being operative to position the seal face relative to the seal runner; and the biasing member being located on the lower-pressure side of the seal and being operative to bias the carrier such that interaction of the biasing member and gas pressure across the seal causes the carrier to position the seal face relative to the seal runner.
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