Gas turbine engine component having vascular engineered lattice structure
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01D-005/18
F01D-005/14
F01D-009/02
F04D-029/38
F04D-029/54
F04D-029/58
F01D-025/12
B22F-003/105
B22F-005/00
F01D-009/04
B33Y-080/00
출원번호
US-0045644
(2016-02-17)
등록번호
US-10221694
(2019-03-05)
발명자
/ 주소
Snyder, Daniel A.
출원인 / 주소
UNITED TECHNOLOGIES CORPORATION
대리인 / 주소
Carlson, Gaskey & Olds, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
61
초록▼
A flowpath component for a gas turbine engine includes a first platform including a vascular engineered lattice structure, a body extending from, and supported by the first platform. The body is configured to at least partially span a flowpath in an installed position and the vascular engineered lat
A flowpath component for a gas turbine engine includes a first platform including a vascular engineered lattice structure, a body extending from, and supported by the first platform. The body is configured to at least partially span a flowpath in an installed position and the vascular engineered lattice structure including at least one purge air inlet, and at least one spent air outlet.
대표청구항▼
1. A flowpath component for a gas turbine engine comprising: a first platform including a vascular engineered lattice structure;a body extending from, and supported by, the first platform;the body being configured to at least partially span a flowpath in an installed position;the vascular engineered
1. A flowpath component for a gas turbine engine comprising: a first platform including a vascular engineered lattice structure;a body extending from, and supported by, the first platform;the body being configured to at least partially span a flowpath in an installed position;the vascular engineered lattice structure including at least one purge air inlet, and at least one spent air outlet; andwherein the at least one spent air outlet includes at least one opening on a mating surface of said platform. 2. The flowpath component of claim 1, wherein the at least one purge air inlet is an opening on a radially inward facing surface of said platform. 3. The flowpath component of claim 2, wherein the radially inward facing surface of said platform at least partially defines a neck cavity. 4. The flowpath component of claim 1, wherein the mating surface is configured to face a mating surface of an adjacent platform in an installed configuration. 5. The flowpath component of claim 1, wherein the at least one spent air outlet includes at least one opening on a gas path surface of the platform. 6. The flowpath component of claim 5, wherein the gas path surface is a radially outward facing surface of the platform. 7. The flowpath component of claim 1, wherein the purge air inlet is configured to admit air sourced in a cavity circumferentially adjacent a neck of said flowpath component. 8. A cooling system for a gas turbine engine comprising: a flowpath component having a first platform including a vascular engineered lattice structure and a body extending radially from said platform, the body at least partially spanning a flowpath;a purge air source adjacent a root of said flowpath component and fluidly connected to the vascular engineered lattice structure; andwherein the first platform further includes a circumferentially facing mating surface, and wherein the circumferentially facing mating surface includes at least one exit hole fluidly connecting the vascular engineered lattice structure to a primary flowpath. 9. The cooling system of claim 8, wherein the first platform further includes a radially inward facing surface at least partially defining a neck cavity, the radially inward facing surface further including at least one inlet to said vascular engineered lattice structure. 10. The cooling system of claim 8, wherein the first platform further includes a radially outward facing surface having a plurality of exit holes fluidly connecting the vascular engineered lattice structure to a primary flowpath. 11. The cooling system of claim 10, wherein the exit holes are positioned on an aft half of said radially outward facing surface. 12. The cooling system of, wherein the first platform further includes a radially outward facing surface having a second plurality of exit holes fluidly connecting the vascular engineered lattice structure to primary flowpath. 13. A method of cooling a platform within a gas turbine engine comprising: supporting at least one flowpath component via a first platform;passing cooling air through a vascular engineered lattice structure within said platform, thereby cooling at least one external surface of said platform;expelling air from said vascular engineered lattice structure into a primary flowpath of the gas turbine engine; andwherein said step of expelling includes expelling said air from at least one opening on a mating surface of said first platform. 14. The method of claim 13, wherein said mating surface is configured to face a mating surface of an adjacent platform in an installed configuration. 15. A flowpath for a gas turbine engine comprising: a first platform including a vascular engineered lattice structure;a body extending from, and supported by, the first platform;the body being configured to at least partially span a flowpath in an installed position;the vascular engineered lattice structure including at least one purge air inlet, and at least one spent air outlet; andwherein a lattice cavity is defined between internal surfaces of said first platform and external surfaces of said vascular engineered lattice structure, and said vascular engineered lattice structure is defined by a plurality of nodes and a plurality of branches each extending from at least one of said plurality of nodes, with at least some nodes of said plurality of nodes spaced apart from said internal surfaces. 16. The flowpath component of claim 15, wherein said vascular engineered lattice structure is a hollow vascular structure in which respective internal passages are defined within each node of said plurality of nodes and within each branch of said plurality of branches for communicating fluid, said internal passages being distinct from said lattice cavity. 17. The flowpath component of claim 15, wherein said vascular engineered lattice structure is a solid vascular structure in which fluid is communicated in said lattice cavity over and around said plurality of nodes and said plurality of branches.
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