IP Library Granted Patent US 11,060,408
Granted Patent B1
US 11,060,408 · App. 16/780,368 · Granted Jul 13, 2021

Turbine blade cooling hole arrangement

Inventors: Alex J. Schneider (South Glastonbury, CT); Parth Jariwala (Cambridge, MA); Nicholas M. LoRicco (Windsor, CT); Ryan Lundgreen (Granby, CT); David A. Niezelski (Manchester, CT); Jeffrey T. Morton (Manchester, CT)
Assignee: RAYTHEON TECHNOLOGIES CORPORATION
F01D5/18F01D5/02F05D2220/32F05D2230/10F05D2260/221
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Quick Facts
Patent No.
US 11,060,408
App. No.
16/780,368
Granted
Jul 13, 2021
Kind
B1
Abstract

A turbine blade for a gas turbine engine. The turbine blade having a plurality of cooling holes defined therein, wherein the plurality of cooling holes are located in the turbine blade according to the coordinates of Table 1 and at least some of the plurality of cooling holes are located in an airfoil of the turbine blade.

Claims (23)

1. A turbine blade for a gas turbine engine having a plurality of cooling holes defined therein, wherein the plurality of cooling holes are located in the turbine blade according to the coordinates of Table 1 and at least some of the plurality of cooling holes are located in an airfoil of the turbine blade.

2. The turbine blade of claim 1 , wherein the turbine blade is a first stage turbine blade of a high pressure turbine of the gas turbine engine.

3. The turbine blade of claim 2 , wherein the at least some of the plurality of cooling holes have a hole diameter in a range of 0.010 inches to 0.020 inches.

4. The turbine blade of claim 3 , further comprising a platform and a root, the airfoil extending from the platform, wherein the platform, the root, and the airfoil are cast as a single part.

5. The turbine blade of claim 1 , wherein the at least some of the plurality of cooling holes have a hole diameter in a range of 0.010 inches to 0.020 inches.

6. The turbine blade of claim 5 , further comprising a platform and a root, the airfoil extending from the platform, wherein the platform, the root, and the airfoil are cast as a single part.

7. The turbine blade of claim 1 , further comprising a platform and a root, the airfoil extending from the platform, wherein the platform, the root, and the airfoil are cast as a single part.

8. A turbine rotor assembly for a gas turbine engine, comprising:

a rotor disk;

a plurality of turbine blades secured to the rotor disk, each turbine blade having a plurality of cooling holes defined therein, wherein the plurality of cooling holes are located in each turbine blade according to the coordinates of Table 1 and at least some of the plurality of cooling holes are located in an airfoil of the turbine blade.

9. The turbine rotor assembly of claim 8 , wherein the turbine rotor assembly is a first stage turbine rotor assembly of a high pressure turbine of the gas turbine engine.

10. The turbine rotor assembly of claim 9 , wherein the at least some of the plurality of cooling holes have a hole diameter in a range of 0.010 inches to 0.020 inches.

11. The turbine rotor assembly of claim 10 , wherein each of the plurality of turbine blades further comprise a platform and a root, the airfoil extending from the platform, wherein the platform, the root, and the airfoil are cast as a single part.

12. The turbine rotor assembly of claim 8 , wherein the at least some of the plurality of cooling holes have a hole diameter in a range of 0.010 inches to 0.020 inches.

13. The turbine rotor assembly of claim 12 , wherein each of the plurality of turbine blades further comprise a platform and a root, the airfoil extending from the platform, wherein the platform, the root, and the airfoil are cast as a single part.

14. The turbine rotor assembly of claim 8 , wherein each of the plurality of turbine blades further comprise a platform and a root, the airfoil extending from the platform, wherein the platform, the root, and the airfoil are cast as a single part.

15. A method of cooling a suction side of an airfoil of a turbine blade of a gas turbine engine, comprising:

forming a plurality of cooling holes in the turbine blade, wherein the plurality of cooling holes are located in the turbine blade according to the coordinates of Table 1 and at least some of the plurality of cooling holes are located in an airfoil of the turbine blade.

16. The method of claim 15 , wherein the turbine blade is a first stage turbine blade of a high pressure turbine of the gas turbine engine.

17. The method of claim 16 , wherein the at least some of the plurality of cooling holes have a hole diameter in a range of 0.010 inches to 0.020 inches.

18. The method of claim 17 , wherein the turbine blade further comprises a platform and a root, the airfoil extending from the platform, wherein the platform, the root, and the airfoil are cast as a single part.

19. The method of claim 15 , wherein the at least some of the plurality of cooling holes have a hole diameter in a range of 0.010 inches to 0.020 inches.

20. The method of claim 15 , wherein the turbine blade further comprises a platform and a root, the airfoil extending from the platform, wherein the platform, the root, and the airfoil are cast as a single part.

Assignments (3)
CHANGE OF NAME Recorded Jul 27, 2023
From: RAYTHEON TECHNOLOGIES CORPORATION
To: RTX CORPORATION
Reel/Frame 064714/0001 →
CHANGE OF NAME Recorded May 26, 2021
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 056396/0885 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 25, 2021
From: SCHNEIDER, ALEX J.; LORICCO, NICHOLAS M.; LUNDGREEN, RYAN; NIEZELSKI, DAVID A.; MORTON, JEFFREY T.
To: UNITED TECHNOLOGIES CORPORATION
Reel/Frame 056341/0793 →
Continuity (2)
Provisional Application 62809247 · Feb 22, 2019
Provisional Application 62800724 · Feb 4, 2019