Leaf seal reach over spring with retention mechanism
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01D-011/00
F01D-009/04
F01D-015/12
F01D-025/24
F02C-003/04
F02C-007/28
F16J-015/08
출원번호
US-0920963
(2015-10-23)
등록번호
US-10036269
(2018-07-31)
발명자
/ 주소
Ugarte, Johnnattan Tennessee
Senile, Darrell Glenn
Srinivas, Mullahalli Venkataramaniah
Farmer, Jonathon
Quill, Hugh
출원인 / 주소
General Electric Company
대리인 / 주소
General Electric Company
인용정보
피인용 횟수 :
0인용 특허 :
12
초록▼
A gas turbine sealing assembly includes a first static gas turbine wall, a second static gas turbine wall, and a leaf seal having a first side and a second side. The first static gas turbine wall contacts the second side at a first position, and the second static gas turbine wall contacts the second
A gas turbine sealing assembly includes a first static gas turbine wall, a second static gas turbine wall, and a leaf seal having a first side and a second side. The first static gas turbine wall contacts the second side at a first position, and the second static gas turbine wall contacts the second side at a second position. A spring exerts force on the first side. The spring includes a first spring wall coupled to the first static gas turbine wall. A second spring wall extends radially outward from the first spring wall. A third spring wall extends axially away from the second spring wall. A fourth spring wall extends radially inward from the third spring wall and includes a radially inner end. The radially inner end of the fourth spring wall contacts the first side of the leaf seal between the first position and the second position.
대표청구항▼
1. A gas turbine sealing assembly, comprising: a first static gas turbine wall;a second static gas turbine wall;a leaf seal comprising a first side and a second side, wherein the first static gas turbine wall contacts the second side of the leaf seal at a first position and the second static gas tur
1. A gas turbine sealing assembly, comprising: a first static gas turbine wall;a second static gas turbine wall;a leaf seal comprising a first side and a second side, wherein the first static gas turbine wall contacts the second side of the leaf seal at a first position and the second static gas turbine wall contacts the second side of the leaf seal at a second position; anda spring for exerting axial force on the first side of the leaf seal, the spring comprising: a first spring wall coupled to the first static gas turbine wall;a second spring wall extending radially outward from the first spring wall;a third spring wall extending axially away from the second spring wall; anda fourth spring wall extending radially inward from the third spring wall, wherein the fourth spring wall comprises a radially inner end, and wherein the radially inner end of the fourth spring wall contacts the first side of the leaf seal between the first position and the second position. 2. The gas turbine sealing assembly of claim 1, wherein the first static gas turbine wall comprises a stator vane assembly mount and the second gas static gas turbine wall comprises a turbine shroud assembly mount. 3. The gas turbine sealing assembly of claim 1, further comprising: a fastener for coupling the first static gas turbine wall and the first spring wall, wherein the third spring wall defines an aperture that provides clearance to install the fastener. 4. The gas turbine sealing assembly of claim 1, wherein the first spring wall is integrally connected to the second spring wall, the second spring wall is integrally connected to the third spring wall, and the third spring wall is integrally connected to the fourth spring wall. 5. The gas turbine sealing assembly of claim 1, wherein the radial inner end of the fourth spring wall is moveable axially relative to a third bend, the third bend is moveable radially relative to a second bend, and the second bend is moveable axially relative to a first bend. 6. The gas turbine sealing assembly of claim 1, wherein the fourth spring wall is radially longer than the second spring wall, and wherein the third spring wall is axially longer than the first spring wall. 7. The gas turbine sealing assembly of claim 1, wherein the leaf seal comprises a first leaf seal and a second leaf seal circumferentially spaced apart from the first leaf seal. 8. The gas turbine sealing assembly of claim 7, wherein the spring comprises a first spring and a second spring, and wherein the fourth spring wall of the first spring contacts the first side of the first leaf seal or the second leaf seal and the fourth spring wall of the second spring contacts a backer seal. 9. The gas turbine sealing assembly of claim 1, wherein the fourth spring wall comprises a first arm and a second arm parallel to the first arm. 10. The gas turbine sealing assembly of claim 1, further comprising: a retainer coupled to the first static gas turbine wall and to the leaf seal to prevent circumferential movement of the leaf seal. 11. A gas turbine, comprising: a compressor;a combustion section;a turbine comprising: a first static wall; anda second static wall; anda leaf seal comprising a first side and a second side, wherein the first static wall contacts the second side of the leaf seal at a first position and the second static wall contacts the second side of the leaf seal at a second position; anda spring for exerting axial force on the first side of the leaf seal, the spring comprising: a first spring wall coupled to the first turbine wall;a second spring wall extending radially outward from the first spring wall;a third spring wall extending axially away from the second spring wall; anda fourth spring wall extending radially inward from the third spring wall, wherein the fourth spring wall comprises a radially inner end, and wherein the radially inner end of the fourth spring wall contacts the first side of the leaf seal between the first position and the second position. 12. The gas turbine of claim 11, further comprising: a fastener for coupling the first static wall and the first spring wall, wherein the third spring wall defines an aperture that provides clearance to install the fastener. 13. The gas turbine of claim 11, wherein the first spring wall is integrally connected to the second spring wall, the second spring wall is integrally connected to the third spring wall, and the third spring wall is integrally connected to the fourth spring wall. 14. The gas turbine of claim 11, wherein the radial inner end of the fourth spring wall is moveable axially relative to a third bend, the third bend is moveable radially relative to a second bend, and the second bend is moveable axially relative to a first bend. 15. The gas turbine of claim 11, wherein the fourth spring wall is radially longer than the second spring wall, and wherein the third spring wall is axially longer than the first spring wall. 16. The gas turbine of claim 11, wherein the leaf seal comprises a first leaf seal and a second leaf seal circumferentially spaced apart from the first leaf seal. 17. The gas turbine of claim 16, further comprising: a backer seal in contact with the first leaf seal and the second leaf seal. 18. The gas turbine of claim 17, wherein the spring comprises a first spring and a second spring, and wherein the fourth spring wall of the first spring contacts the first side of the first leaf seal or the second leaf seal and the fourth spring wall of the second spring contacts the backer seal. 19. The gas turbine of claim 11, further comprising: a retainer coupled to the first static gas turbine wall and to the leaf seal to prevent circumferential movement of the leaf seal. 20. The gas turbine of claim 11, further comprising: a reduction gear positioned between a low pressure spool and a fan spool.
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이 특허에 인용된 특허 (12)
Helvaci, Caner H., Flap seal spring and sealing apparatus.
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