[특허]Torsion seal

Torsion seal 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/02
출원번호	US-0152585 (2011-06-03)
등록번호	US-8544852 (2013-10-01)
발명자 / 주소	Giri, Sheo Narain
출원인 / 주소	General Electric Company
대리인 / 주소	Cantor Colburn LLP
인용정보	피인용 횟수 : 0 인용 특허 : 39

초록 ▼

A torsion seal is provided and includes a first section, a second section and a torsion section connected at opposite end portions thereof to the first and second sections and having a central portion extending between the opposite end portions to absorb differential thermal growth of vessels to whi

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1. A torsion seal, comprising: a first section;a second section; anda torsion section connected at opposite end portions thereof to the first and second sections and having a central portion extending between the opposite end portions to absorb differential thermal growth of vessels to which the first and second sections are coupled,wherein the central portion comprises a coiled portion including:an inwardly spiraling portion that extends radially outwardly from the first section and then spirals inwardly toward a point mid-way between the first and second sections, andan outwardly spiraling portion that spirals outwardly from the point and then extends substantially axially toward the second section wherein the inwardly spiraling portion and the outwardly spiraling portion are overlapping. 2. The torsion seal according to claim 1, wherein the vessels each comprise a component of a gas turbine engine. 3. A torsion seal, comprising: a first section coupled to a first vessel;a second section coupled to a second vessel; anda torsion section connected at opposite end portions thereof to the first and second sections and having a coiled portion extending between the opposite end portions to absorb at least one of radial, circumferential and axial differential thermal growth of the first and second vessels,wherein the coiled portion includes:an inwardly spiraling portion that extends radially outwardly from the first section and then spirals inwardly toward a point mid-way between the first and second sections, andan outwardly spiraling portion that spirals outwardly from the point and then extends substantially axially toward the second section wherein the inwardly spiraling portion and the outwardly spiraling portion are overlapping. 4. The torsion seal according to claim 3, wherein the first and second vessels each comprise a component of a gas turbine engine. 5. The torsion seal according to claim 3, wherein the first section is preloaded and coupled to a preloaded groove of the first vessel. 6. The torsion seal according to claim 3, wherein the first section is preloaded and coupled to a flange of the first vessel. 7. The torsion seal according to claim 3, wherein the first section is at least one of welded and screwed to the first vessel. 8. The torsion seal according to claim 3, wherein the second section is preloaded and coupled to a preloaded groove of the second vessel. 9. The torsion seal according to claim 3, wherein the second section is preloaded and coupled to a flange of the second vessel. 10. The torsion seal according to claim 3, wherein the second section is at least one of welded and screwed to the second vessel. 11. The torsion seal according to claim 3, wherein the first and second sections have substantially similar lengths. 12. The torsion seal according to claim 3, wherein the coiled portion protrudes radially outwardly from respective planes of the first and second sections. 13. The torsion seal according to claim 3, wherein the inwardly and outwardly spiraling portions are substantially parallel along respective lengths thereof. 14. The torsion seal according to claim 3, wherein a height of the coiled portion is substantially larger than a thickness of the first, second and torsion sections. 15. The torsion seal according to claim 3, wherein the coiled portion comprises one or more loops. 16. A torsion seal, comprising: a first section coupled to a first vessel;a second section coupled to a second vessel; anda torsion section connected at opposite end portions thereof to the first and second sections and having a coiled portion extending between the opposite end portions,the coiled portion being configured to uncoil to responsively absorb forces applied to the first and second sections by the first and second vessels in accordance with differential thermal growth of the first and second vessels,wherein the coiled portion includes:an inwardly spiraling portion that extends radially outwardly from the first section and then spirals inwardly toward a point mid-way between the first and second sections, andan outwardly spiraling portion that spirals outwardly from the point and then extends substantially axially toward the second section wherein the inwardly spiraling portion and the outwardly spiraling portion are overlapping. 17. The torsion seal according to claim 16, wherein the first and second vessels each comprise a component of a gas turbine engine. 18. The torsion seal according to claim 16, wherein the coiled portion protrudes radially outwardly from respective planes of the first and second sections.

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