Gas turbine engine component with vascular cooling scheme

Patent metadata

Field	Value
Publication number	US-10094287-B2
Application number	US-201514618298-A
Country	US
Kind code	B2
Filing date	Feb 10, 2015
Priority date	Feb 10, 2015
Publication date	Oct 9, 2018
Grant date	Oct 9, 2018

Abstract

A component according to an exemplary aspect of the present disclosure includes, among other things, a body portion and a cooling scheme disposed inside the body portion, the cooling scheme including a vascular engineered lattice structure and a heat transfer device adjacent to the vascular engineered lattice structure.

First claim

What is claimed is:

1. A component, comprising:
a body portion; and
a cooling scheme disposed inside said body portion, said cooling scheme including:
a vascular engineered lattice structure including a lattice cavity defined between internal surfaces of said body portion and external surfaces of said vascular engineered lattice structure, said vascular engineered lattice structure 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 of said plurality of branches and at least some of said plurality of nodes being spaced apart from said internal surfaces defining said lattice cavity; and
a heat transfer device adjacent to said vascular engineered lattice structure, said heat transfer device defined along said internal surfaces.

2. The component as recited in claim 1 , wherein said vascular engineered lattice structure is a solid structure in which airflow is communicated around and over said plurality of nodes and said plurality of branches.

3. The component as recited in claim 1 , wherein said body portion is part of an airfoil.

4. The component as recited in claim 1 , wherein said body portion is part of a combustor liner panel.

5. The component as recited in claim 1 , wherein said heat transfer device is disposed upstream from said vascular engineered lattice structure.

6. The component as recited in claim 1 , wherein said heat transfer device is disposed downstream from said vascular engineered lattice structure.

7. The component as recited in claim 1 , wherein said heat transfer device includes a plurality of trip strips.

8. The component as recited in claim 1 , wherein said heat transfer device includes a plurality of pins.

9. The component as recited in claim 1 , wherein said heat transfer device includes a plurality of dimples.

10. The component as recited in claim 1 , wherein said heat transfer device includes a plurality of chevron trip strips.

11. The component as recited in claim 1 , wherein said heat transfer device is a first heat transfer device, and said cooling scheme includes a second heat transfer device different from said first heat transfer device.

12. The component as recited in claim 1 , wherein said vascular engineered lattice structure is a hollow vascular structure in which airflow is communicated inside hollow passages of said plurality of nodes and said plurality of branches.

13. The component as recited in claim 12 , wherein said hollow passages include respective internal passages defined within each node of said plurality of nodes and within each branch of said plurality of branches for communicating fluid, at least some of said plurality of nodes directly connected to four of said plurality of branches, and said internal passages being distinct from said lattice cavity.

14. The component as recited in claim 13 , wherein said body portion is part of a combustor liner panel.

15. The component as recited in claim 13 , wherein said first heat transfer device is a first transfer device, said vascular engineered lattice structure is disposed upstream from said first heat transfer device, and said cooling scheme includes a second heat transfer device different from said first heat transfer device, each of said first and second heat transfer devices protruding from said internal surfaces of said body portion.

16. The component as recited in claim 13 , wherein:
said body portion is part of an airfoil extending between leading and trailing edges and between pressure and suction side walls;
said lattice cavity is a portion of a slot that extends in a chordwise direction from a rib and to an opening at the trailing edge, said rib extending between said pressure and suction side walls;
said hollow vascular structure is disposed directly downstream from said heat transfer device such that fluid is communicated in said slot across said heat transfer device and then over and around said external surfaces of said hollow vascular structure defined by said plurality of nodes and said plurality of branches;
said first heat transfer device is a first heat transfer device; and
said cooling scheme includes a second heat transfer device different from said first heat transfer device, each of said first and second heat transfer device protruding from surfaces of said slot.

17. The component as recited in claim 16 , wherein each of said first heat transfer device and said second heat transfer device is a non-vascular structure defined downstream of said rib, said rib is spaced apart in said chordwise direction from said leading and trailing edges, and said rib extends in a spanwise direction to bound an upstream most portion of said slot.

18. The component as recited in claim 17 , wherein said first heat transfer device includes one of a plurality of trips strips, a plurality of chevrons, and a plurality of dimples, and said first heat transfer device is defined along a first slot wall of said slot but is spaced apart from a second slot wall of said slot that is opposed to said first slot wall.

19. A component, comprising:
a wall;
a cooling scheme formed inside said wall, said cooling scheme including a vascular engineered lattice structure and a first heat transfer device different from said vascular engineered lattice structure;
wherein vascular engineered lattice structure includes a lattice cavity defined between internal surfaces of said wall and external surfaces of said vascular engineered lattice structure, said vascular engineered lattice structure 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 of said plurality of branches and at least some of said plurality of nodes being spaced apart from said internal surfaces defining said lattice cavity; and
wherein first heat transfer device is defined along said internal surfaces of said wall.

20. The component as recited in claim 19 , wherein said vascular engineered lattice structure is disposed upstream from said first heat transfer device.

21. The component as recited in claim 19 , wherein said vascular engineered lattice structure is disposed downstream from said first heat transfer device.

22. The component as recited in claim 19 , wherein said first heat transfer device includes one of trips strips, chevrons, pins and dimples.

23. The component as recited in claim 19 , wherein said cooling scheme is disposed in a trailing edge portion of said component.

24. The component as recited in claim 19 , wherein said cooling scheme includes a second heat transfer device different from said first heat transfer device.

25. The component as recited in claim 24 , wherein said cooling scheme includes a third heat transfer device different from each of said first heat transfer device and said second heat transfer device.

Assignees

• United Technologies Corp

Inventors

• Kostka Jr Stanislav
• Cunha Frank J

Classifications

• F01D25/08

  Cooling (of machines or engines in general F01P); Heating; Heat-insulation (of blade-carrying members, of blades F01D5/00) · CPC title

• F01D5/187 Primary

  Convection cooling · CPC title

• F05D2260/2212

  by creating turbulence · CPC title

• F02C7/18 Primary

  the medium being gaseous, e.g. air {(F02C7/125 takes precedence)} · CPC title

• F23R3/005

  Combined with pressure or heat exchangers · CPC title