Hydrostatic seal
AssigneeUnited Technologies Corporation
InventorConway Chuong
Life of this patent
Estimating the term…
Abstract
A hydrostatic seal assembly includes a primary seal configured to maintain a selected gap between the primary seal and a rotating component. The primary seal includes a seal support, a seal shoe, and one or more seal beams operably connecting the seal support to the seal shoe. The one or more seal beams are configured as spring elements integral with the seal shoe to allow radial movement of the seal shoe relative to the seal support. A seal carrier including a radial outer wall is configured to radially position the primary seal. The seal carrier is configured for a non-contact relationship with the seal shoe during operation of the hydrostatic seal assembly.
Claims20
A hydrostatic seal assembly, comprising:
- a primary seal configured to maintain a selected gap between the primary seal and a rotating component, the primary seal including:
- a seal support;
- a seal shoe;
- and
- one or more seal beams operably connecting the seal support to the seal shoe, the one or more seal beams configured as spring elements integral with the seal shoe to allow radial movement of the seal shoe relative to the seal support;
- and
- a seal carrier including a radial outer wall configured to radially position the primary seal, the seal carrier configured for a non-contact relationship with the seal shoe during operation of the hydrostatic seal assembly.
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 configured to maintain a selected gap between the primary seal and the turbine rotor, the primary seal including:
- a seal support;
- a seal shoe;
- and
- one or more seal beams operably connecting the seal support to the seal shoe, the one or more seal beams configured as spring elements integral with the seal shoe to allow radial movement of the seal shoe relative to the seal support;
- and
- a seal carrier including a radial outer wall configured to radially position the primary seal, the seal carrier configured for a non-contact relationship with the seal shoe during operation of the hydrostatic seal assembly.
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 primary seal configured to maintain a selected gap between the primary seal and the turbine rotor, the primary seal including:
- a seal support;
- a seal shoe;
- and
- one or more seal beams operably connecting the seal support to the seal shoe, the one or more seal beams configured as spring elements integral with the seal shoe to allow radial movement of the seal shoe relative to the seal support;
- and
- a seal carrier including a radial outer wall configured to radially position the primary seal, the seal carrier configured for a non-contact relationship with the seal shoe during operation of the hydrostatic seal assembly.
Dependencies are inferred from the claim text.