A seal for a gas turbine engine may include a first cartridge, a second cartridge, and a wave spring. The wave spring may be located between the first cartridge and the second cartridge. The first cartridge may contact a first component to form a seal. The second cartridge may contact a second compo
A seal for a gas turbine engine may include a first cartridge, a second cartridge, and a wave spring. The wave spring may be located between the first cartridge and the second cartridge. The first cartridge may contact a first component to form a seal. The second cartridge may contact a second component to form a seal. The first cartridge may contact the second cartridge to form a seal. The wave spring may force the first cartridge to contact the first component, and the wave spring may force the second cartridge to contact the second component.
대표청구항▼
1. A seal, comprising: a first cartridge comprising a radially inner wall and a radially outer wall, wherein the first cartridge comprises a first end having a first slot,wherein the first cartridge comprises a second end having a second slot;a bridge located at least partially within the first slot
1. A seal, comprising: a first cartridge comprising a radially inner wall and a radially outer wall, wherein the first cartridge comprises a first end having a first slot,wherein the first cartridge comprises a second end having a second slot;a bridge located at least partially within the first slot and at least partially within the second slot;a second cartridge movable relative to and configured to sealingly engage the first cartridge, wherein the radially inner wall of the first cartridge and the radially outer wall of the first cartridge are located at least partially within a gape of the second cartridge; anda spring between and contacting the first and second cartridges and configured to bias the first cartridge in a first direction and the second cartridge in a second direction. 2. The seal of claim 1, wherein a first node of the spring contacts a lateral wall of the first cartridge, and wherein a second node of the wave spring contacts a lateral wall of the second cartridge. 3. The seal of claim 1, wherein the second cartridge comprises a radially inner wall and a radially outer wall. 4. The seal of claim 3, wherein the radially inner wall of the first cartridge and the radially outer wall of the first cartridge are located between the radially inner wall of the second cartridge and the radially outer wall of the second cartridge. 5. The seal of claim 3, wherein the radially inner wall of the first cartridge is configured to contact the radially inner wall of the second cartridge. 6. The seal of claim 1, wherein the first cartridge comprises a split hoop. 7. The seal of claim 1, wherein the first direction and the second direction are opposite directions. 8. The seal of claim 1, wherein a lateral wall of the first cartridge is configured to contact and sealingly engage a first component, wherein the lateral wall of the second cartridge is configured to contact and sealingly engage a second component, and wherein a radially inner wall of the second cartridge is configured to contact and sealingly engage the second component. 9. The seal of claim 8, wherein the first component comprises a blade outer air seal, and wherein the second component comprises a turbine vane assembly. 10. A seal for a gas turbine engine, the seal comprising: a first annular cartridge having a radially inner wall, a radially outer wall, and a lateral wall extending between and connecting the radially inner and outer walls of the first annular cartridge, wherein the first annular cartridge comprises a first end having a first slot,wherein the first annular cartridge comprises a second end having a second slot;a bridge located at least partially within the first slot and at least partially within the second slot;a second annular cartridge having a radially inner wall, a radially outer wall, and a lateral wall extending between and connecting the radially inner and outer walls of the second annular cartridge; andan annular wave spring in contact with the lateral wall of the first annular cartridge and the lateral wall of the second annular cartridge,wherein the first and second cartridges are configured to translate relative to one another and to slidingly engage one another,wherein the radially inner wall of the first cartridge and the radially outer wall of the first cartridge are located at least partially within a gape of the second cartridge. 11. The seal of claim 10, wherein the seal is configured to restrict cooling air on one side of the seal from reaching an opposite side of the seal. 12. The seal of claim 10, wherein the radially inner wall of the first annular cartridge and the radially outer wall of the first annular cartridge are located between the radially inner wall of the second annular cartridge and the radially outer wall of the second annular cartridge. 13. The seal of claim 10, wherein the seal comprises a contact member extending radially inward from the radially inner wall of the second annular cartridge. 14. The seal of claim 10, wherein the first annular cartridge is configured to form a first seal with a first gas turbine engine component, wherein the lateral wall of the second annular cartridge is configured to form a second seal with a second gas turbine engine component, wherein the radially inner wall of the second annular cartridge is configured to form a third seal with the second gas turbine engine component, and wherein the radially inner wall of the first annular cartridge is configured to form a fourth seal with the radially inner wall of the second annular cartridge. 15. The seal of claim 10, wherein the annular wave spring comprises a first node and a second node, and wherein a distance between the first node and the second node is between 0.25 and 0.5 inches. 16. The seal of claim 10, wherein at least one of the first annular cartridge and the second annular cartridge comprise a non-hardenable alloy. 17. A gas turbine engine comprising: a first gas turbine engine component;a second gas turbine engine component; andan annular seal positioned between the first and second components, the annular seal comprising: a first cartridge comprising a radially inner wall and a radially outer wall, the first cartridge configured to form a first seal with the first gas turbine engine component, wherein the first cartridge comprises a first end having a first slot,wherein the first cartridge comprises a second end having a second slot;a bridge located at least partially within the first slot and at least partially within the second slot;a second cartridge, wherein a wall of the second cartridge is configured to form a second seal with the second gas turbine engine component, wherein the radially inner wall of the first cartridge and the radially outer wall of the first cartridge are located at least partially within a gape of the second cartridge; anda wave spring configured to exert a biasing force on the first cartridge toward the first gas turbine engine component and a biasing force on the second cartridge toward the second gas turbine engine component,wherein the annular seal fluidly isolates low and high pressure regions at least partially defined by the first and second components on opposite sides of the annular seal. 18. The gas turbine engine of claim 17, wherein the radially inner wall of the first cartridge forms a third seal with a radially inner wall of the second cartridge. 19. The gas turbine engine of claim 18, wherein the radially inner wall of the second cartridge forms a fourth seal with the second gas turbine engine component.
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이 특허에 인용된 특허 (9)
Cymbal, William D.; Sundholm, Brad S.; Collins, Kyle L.; Rutkiewicz, Jason T.; vonMatt, Niklaus A., Bearing isolator assembly.
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