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A resilient ring for sealing between an inner housing surface of revolution and a coaxial outer housing surface of revolution, one of the housing surfaces being a sloped surface with a sloped profile intersecting an axially extending plane and the other housing surface being an axial abutment surfac

A resilient ring for sealing between an inner housing surface of revolution and a coaxial outer housing surface of revolution, one of the housing surfaces being a sloped surface with a sloped profile intersecting an axially extending plane and the other housing surface being an axial abutment surface in a substantially radially extending plane. The ring has a circumferential sealing surface for sealing engagement of the ring with the sloped housing surface, and a planar abutment surface for sealing engagement of the ring with the axial abutment housing surface.

대표청구항 ▼

1. A resilient ring for sealing between an inner housing surface of revolution and a coaxial outer housing surface of revolution, one of said housing surfaces being a sloped surface with a sloped profile intersecting an axially extending plane and the other housing surface being an axial abutment su

1. A resilient ring for sealing between an inner housing surface of revolution and a coaxial outer housing surface of revolution, one of said housing surfaces being a sloped surface with a sloped profile intersecting an axially extending plane and the other housing surface being an axial abutment surface disposed in a substantially radially extending plane, the ring having:a circumferential sealing surface adapted for sealing engagement of the ring with the sloped housing surface; and a planar abutment surface adapted for sealing engagement of the ring with the axial abutment housing surface. 2. A ring according to claim 1 wherein the circumferential sealing surface has a circumferential sealing surface profile intersecting an axially extending plane selected from the group consisting of: a sloped profile; a conical profile; a cusped profile; a curved profile; and an arcuate profile.3. A ring according to claim 1 including a circumferential expansion joint.4. A ring according to claim 3 including a circumferentially sliding lap joint.5. A ring according to claim 3 including a circumferentially sliding bevel joint.6. A gas turbine engine having an inner housing surface of revolution and a coaxial outer housing surface of revolution, one of said housing surfaces being a sloped surface with a sloped profile intersecting an axially extending plane and the other housing surface being an axial abutment surface disposed in a substantially radially extending plane, the ring having:a circumferential sealing surface adapted for sealing engagement of the ring with the sloped housing surface; and a planar abutment surface adapted for sealing engagement of the ring with the axial abutment housing surface. 7. A gas turbine engine according to claim 6 wherein the circumferential sealing surface has a circumferential sealing surface profile intersecting an axially extending plane selected from the group consisting of: a sloped profile; a conical profile; a cusped profile; a curved profile; and an arcuate profile.8. A gas turbine engine according to claim 6 wherein the ring includes a circumferential expansion joint.9. A gas turbine engine according to claim 8 wherein the ring includes a circumferentially sliding lap joint.10. A gas turbine engine according to claim 8 wherein the ring includes a circumferentially sliding bevel joint.11. A method of sealing between an inner housing surface of revolution and a coaxial outer housing surface of revolution, one of said housing surfaces being a sloped surface with a sloped profile intersecting an axially extending plane and the other housing surface being an axial abutment surface disposed in a substantially radially extending plane, the method comprising:installing a diametrically energized resilient ring having a circumferential sealing surface in sealing engagement with the sloped housing surface and a planar abutment surface in sealing engagement of the ring with the axial abutment housing surface. 12. A method according to claim 11, wherein the circumferential sealing surface has a circumferential sealing surface profile intersecting an axially extending plane selected from the group consisting of: a sloped profile; a conical profile; a cusped profile; a curved profile; and an arcuate profile.13. A method according to claim 11 wherein the ring includes a circumferential expansion joint.14. A method according to claim 13 wherein the ring includes a circumferentially sliding lap joint.15. A method according to claim 13 wherein the ring includes a circumferentially sliding bevel joint.