It is disclosed a seal assembly ( 5 ) which comprises a layered structure. It consists of a first layer ( 9, 12 ) of a base material, a second layer ( 10 ) of thermal insulating material on top of the base material and a third layer ( 11, 12 ) of base material or an oxide resistant material on top of the second layer ( 10 ) of thermal insulation. The inventive seal assembly ( 5 ) described herein can be arranged between combustor liner segments ( 2 ).
1. A seal assembly comprising:
a layered structure including
a first layer of a first base material having two opposite sides including first and second lateral edges;
a second layer of thermal insulating material on top of the first layer, said thermal insulating material having a thermal conductivity substantially lower than the thermal conductivity of the first base material;
a third layer of a second base material on top of the second layer, the third layer having two opposite sides including first and second lateral edges;
a spring side support;
wherein the first and third layers extend beyond the second layer at said two opposite sides;
a welding seam connecting said first and second lateral edges of said first and third layers at said two opposite sides; and
wherein the layered structure is connected at said two opposite sides to the spring side support.
2. The seal assembly according to claim 1 , wherein the layer of thermal insulating material comprises a woven insulating material.
3. The seal assembly according to claim 1 , wherein the third layer of the seal assembly comprises oxidation resistant material.
4. The seal assembly according to claim 1 , further comprising:
a connector plate having an inner connector band and an outer connector band; and
wherein the layered structure is arranged within the connector plate with the first layer comprising the inner connector band and the third layer comprising the outer connector band.
5. The seal assembly according to claim 4 , wherein the connector plate is connected on two sides to the spring side support.
6. The seal assembly according to claim 5 , wherein the spring side support comprises an E-seal.
7. The seal assembly according to claim 5 , wherein the spring side support is welded to the connector plate.
8. The seal assembly according to claim 4 , further comprising:
an E-seal having two sides; and
wherein the connector plate is bent around and fixed to the two sides of the E-seal.
9. The seal assembly according to claim 1 , further comprising:
cooling holes arranged within the spring side support.
10. The seal assembly according to claim 1 , further comprising:
two E-seals; and
wherein the layer of thermal insulating material is arranged between the two E-seals as said first and third layers.
11. The seal assembly according to claim 1 , further comprising:
combustor liner segments; and
a combustor liner seal between the combustor liner segments, said combustor liner seal comprising said layered structure.
12. The seal assembly according to claim 8 , further comprising:
cooling holes arranged within the E-seal.
13. A seal assembly comprising:
a layered structure including
a first layer of a first base material having two opposite sides including first and second lateral edges;
a second layer of thermal insulating material on top of the first layer, said thermal insulating material having a thermal conductivity substantially lower than the thermal conductivity of the first base material; and
a third layer of a second base material on top of the second layer, the third layer having two opposite sides including first and second lateral edges;
combustor liner segments; and
a combustor liner seal between the combustor liner segments, said combustor liner seal comprising said layered structure;
a welding seam connecting said first and second lateral edges of said first and third layers at said two opposite sides; and
wherein the first and third layers extend beyond the second layer at said two opposite sides.
14. The seal assembly according to claim 13 , wherein the layer of thermal insulating material comprises a woven insulating material.
15. The seal assembly according to claim 13 , wherein the third layer of the seal assembly comprises oxidation resistant material.
16. The seal assembly according to claim 13 , further comprising:
a connector plate having an inner connector band and an outer connector band; and
wherein the layered structure is arranged within the connector plate with the first layer comprising the inner connector band and the third layer comprising the outer connector band.
17. The seal assembly according to claim 13 , further comprising:
a spring side support connected to the layered structure.
18. The seal assembly according to claim 17 , further comprising:
cooling holes arranged within the spring side support.
19. A seal assembly comprising:
a layered structure including
a first layer of a first base material having two opposite sides including first and second lateral edges;
a second layer of thermal insulating material on top of the first layer, said thermal insulating material having a thermal conductivity substantially lower than the thermal conductivity of said first base material;
a third layer of a second base material on top of the second layer, the third layer having two opposite sides including first and second lateral edges;
a spring side support;
a welding seam connecting said first and second lateral edges of said first and third layers at said two opposite sides;
wherein the layered structure is connected on said two opposite sides to the spring side support, such that the second layer is held between said first and third layers; and
wherein the first and third layers extend beyond the second layer at said two opposite sides.
20. The seal assembly according to claim 19 , wherein the layer of thermal insulating material comprises a woven insulating material.
21. The seal assembly according to claim 19 , wherein the third layer of the seal assembly comprises oxidation resistant material.
22. The seal assembly according to claim 19 , further comprising:
a connector plate having an inner connector band and an outer connector band; and
wherein the layered structure is arranged within the connector plate with the first layer comprising the inner connector band and the third layer comprising the outer connector band.
23. The seal assembly according to claim 22 , wherein the first layer is welded to the third layer.
24. The seal assembly according to claim 22 , wherein the connector plate is connected on two sides to the spring side support.
25. The seal assembly according to claim 24 , wherein the spring side support comprises an E-seal.
26. The seal assembly according to claim 24 , wherein the spring side support is welded to the connector plate.
27. The seal assembly according to claim 22 , further comprising:
an E-seal having two sides; and
wherein the connector plate is bent around and fixed to the two sides of the E-seal.
28. The seal assembly according to claim 27 , further comprising:
cooling holes arranged within the E-seal.
29. The seal assembly according to claim 19 , further comprising:
cooling holes arranged within the spring side support.
30. The seal assembly according to claim 19 , further comprising:
two E-seals; and
wherein the layer of thermal insulating material is arranged between the two E-seals as said first and third layers.
31. The seal assembly according to claim 19 , further comprising:
combustor liner segments; and
a combustor liner seal between the combustor liner segments, said combustor liner seal comprising said layered structure.