IP Library Granted Patent US 11,401,862
Granted Patent B2
US 11,401,862 · App. 16/042,510 · Granted Aug 2, 2022

Stator configuration for gas turbine engine

Inventors: Colin G. Amadon (Kennebunk, ME); Michael C. Firnhaber (East Hampton, CT)
Assignee: RAYTHEON TECHNOLOGIES CORPORATION
F02C7/04F04D29/545F04D19/002F05D2220/36F05D2240/12F05D2260/606
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Quick Facts
Patent No.
US 11,401,862
App. No.
16/042,510
Granted
Aug 2, 2022
Kind
B2
Abstract

A stator configuration for a gas turbine engine including a splitter segment. Also included is a first stator extending radially outwardly from the splitter segment. Further included is a second stator extending radially inwardly from the splitter segment, the splitter segment, the first stator and the second stator being a single, integrally formed structure.

Claims (31)

1. A stator configuration for a gas turbine engine comprising:

a splitter segment, the splitter segment extending from a forward end to a rearward end;

a forward most first stator extending radially outwardly from the splitter segment, the forward most first stator being completely located downstream from the forward end of the splitter segment;

a forward most second stator extending radially inwardly from the splitter segment, the splitter segment, the forward most first stator and the forward most second stator being formed as a single, integrally formed structure, the forward most first stator positioned closer to the forward end relative to a distance between the forward most second stator and the forward end and the forward most second stator positioned closer to the rearward end relative to a distance between the forward most first stator and the rearward end; and

a flange extending radially inwardly from the forward most second stator, the flange providing a location for operative coupling of the stator configuration to a stationary structure of the gas turbine engine.

2. The stator configuration of claim 1 , wherein the splitter segment is configured to split an incoming fluid flow into a first, radially outer stream and a second, radially inner stream.

3. The stator configuration of claim 2 , wherein the rearward end of the splitter segment is in contact with a structure that at least partially defines the second, radially inner stream.

4. The stator configuration of claim 1 , wherein the splitter segment, the forward most first stator and the forward most second stator are formed from a single manufacturing process to form the single, integrally formed structure.

5. The stator configuration of claim 1 , wherein the splitter segment, the forward most first stator and the forward most second stator are multiple components joined together to form the single, integrally formed structure.

6. The stator configuration of claim 1 , further comprising a protrusion extending rearward from the flange to provide a locating feature during assembly and/or operation of the stator configuration with the gas turbine engine.

7. The stator configuration of claim 1 , wherein the splitter segment is in contact with a forward edge of a radial flow separation wall of the gas turbine engine.

8. The stator configuration of claim 1 , wherein an inner wall of the splitter segment defines an outer boundary of a second, radially inner stream at an axial location aligned with a rotor.

9. The stator configuration of claim 1 , wherein the forward most first stator is completely located upstream from the forward most second stator.

10. A gas turbine engine comprising:

a fan section;

a compressor section;

a combustor section;

a turbine section; and

a stator configuration for radially separating a fluid flow into multiple streams, the stator configuration comprising:

a splitter segment configured to split the fluid flow into a first, radially outer stream and a second, radially inner stream;

a forward most first stator extending radially outwardly from the splitter segment;

a forward most second stator extending radially inwardly from the splitter segment, the splitter segment, the forward most first stator and the forward most second stator being formed as a single, integrally formed structure, the splitter segment extending from a forward end to a rearward end, the forward most first stator positioned closer to the forward end relative to a distance between the forward most second stator and the forward end and the forward most second stator positioned closer to the rearward end relative to a distance between the forward most first stator and the rearward end, and the forward most first stator being completely located downstream from the forward end of the splitter segment; and

a flange extending radially inwardly from the forward most second stator, the flange providing a location for operative coupling of the stator configuration to a stationary structure of the gas turbine engine.

11. The gas turbine engine of claim 10 , wherein the splitter segment, the forward most first stator and the forward most second stator are formed from a single manufacturing process to form the single, integrally formed structure.

12. The gas turbine engine of claim 10 , wherein the splitter segment, the forward most first stator and the forward most second stator are multiple components welded together to form the single, integrally formed structure.

13. The gas turbine engine of claim 10 , further comprising a protrusion extending rearward from the flange to provide a locating feature during assembly and/or operation of the stator configuration with the gas turbine engine.

14. The gas turbine engine of claim 10 , wherein the rearward end of the splitter segment is in contact with a structure that at least partially defines the second, radially inner stream.

15. The gas turbine engine of claim 10 , wherein the splitter segment is in contact with a forward edge of a radial flow separation wall of the gas turbine engine.

16. The gas turbine engine of claim 10 , wherein an inner wall of the splitter segment defines an outer boundary of the second, radially inner stream at an axial location aligned with a rotor.

17. The gas turbine engine of claim 10 , the forward end of the splitter segment shaped to receive flow from a range of angles.

18. The gas turbine engine of claim 10 , wherein the forward most first stator is completely located upstream from the forward most second stator.

Assignments (4)
CHANGE OF NAME Recorded Jul 27, 2023
From: RAYTHEON TECHNOLOGIES CORPORATION
To: RTX CORPORATION
Reel/Frame 064714/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE AND REMOVE PATENT APPLICATION NUMBER 11886281 AND ADD PATENT APPLICATION NUMBER 14846874. TO CORRECT THE RECEIVING PARTY ADDRESS PREVIOUSLY RECORDED AT REEL: 054062 FRAME: 0001. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF ADDRESS. Recorded Mar 4, 2021
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 055659/0001 →
CHANGE OF NAME Recorded Sep 4, 2020
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 054062/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 23, 2018
From: AMADON, COLIN G.; FIRNHABER, MICHAEL C.
To: UNITED TECHNOLOGIES CORPORATION
Reel/Frame 046615/0073 →
Continuity (1)
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