Hydrostatic seal with extended carrier arm
AssigneeRaytheon Technologies Corporation
InventorsConway Chuong, Shane R. Sylvester
Life of this patent
Estimating the term…
Abstract
A hydrostatic seal assembly includes a primary seal assembly configured to maintain a selected gap between the primary seal and a rotating component, and a seal carrier. The seal carrier includes a radial outer wall, an axial wall extending from the radial outer wall at a first axial end of the radial outer wall, and a carrier arm extending from the radial outer wall at a second axial end of the radial outer wall opposite the first axial end. The carrier arm is secured to a static structure for sealing between the rotating component and the static structure.
Claims17
A hydrostatic seal assembly, comprising:
- a primary seal assembly configured to maintain a selected gap between the primary seal and a rotating component;
- and
- a seal carrier including:
- a radial outer wall;
- an axial wall extending from the radial outer wall at a first axial end of the radial outer wall;
- and
- a carrier arm extending from the radial outer wall at a second axial end of the radial outer wall opposite the first axial end, the carrier arm secured to a static structure for sealing between the rotating component and the static structure;
- wherein the carrier arm extends from the radial outer wall at an angle of between 10 degrees and 45 degrees.
A turbine section of a gas turbine engine, comprising:
- a turbine stator;
- a turbine rotor configured to rotate about an engine central longitudinal axis relative to the turbine stator;
- and
- a hydrostatic seal assembly fixed to the turbine stator comprising:
- a primary seal assembly configured to maintain a selected gap between the primary seal and the turbine rotor;
- and
- a seal carrier including:
- a radial outer wall;
- an axial wall extending from the radial outer wall at a first axial end of the radial outer wall;
- and
- a carrier arm extending from the radial outer wall at a second axial end of the radial outer wall opposite the first axial end, the carrier arm secured to the turbine stator for sealing between the turbine rotor and the turbine stator;
- wherein the carrier arm extends from the radial outer wall at an angle of between 10 degrees and 45 degrees.
A gas turbine engine, comprising:
- a combustor;
- a turbine section in fluid communication with the combustor, the turbine section comprising:
- a turbine stator;
- a turbine rotor configured to rotate about an engine central longitudinal axis relative to the turbine stator;
- and
- a hydrostatic seal assembly fixed to the turbine stator comprising:
- a primary seal assembly configured to maintain a selected gap between the primary seal and the turbine rotor;
- and
- a seal carrier including:
- a radial outer wall;
- an axial wall extending from the radial outer wall at a first axial end of the radial outer wall;
- and
- a carrier arm extending from the radial outer wall at a second axial end of the radial outer wall opposite the first axial end, the carrier arm secured to the turbine stator for sealing between the turbine rotor and the turbine stator;
- wherein the carrier arm extends from the radial outer wall at an angle of between 10 degrees and 45 degrees.
Dependencies are inferred from the claim text.